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Maternal Confidence for Physiologic Childbirth: Instrument Development and Testing A DISSERTATION SUBMITTED TO THE FACULTY OF UNIVERSITY OF MINNESOTA BY Carrie Elizabeth Neerland IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF DOCTOR OF PHILOSOPHY Dr. Melissa D. Avery August 2018
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Maternal Confidence for Physiologic Childbirth

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Page 1: Maternal Confidence for Physiologic Childbirth

Maternal Confidence for Physiologic Childbirth: Instrument Development and Testing

A DISSERTATION SUBMITTED TO THE FACULTY OF

UNIVERSITY OF MINNESOTA BY

Carrie Elizabeth Neerland

IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF

DOCTOR OF PHILOSOPHY

Dr. Melissa D. Avery

August 2018

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© Carrie Elizabeth Neerland 2018

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Acknowledgments

Thank you, first and foremost, to the women who participated in this study. Your

valuable knowledge and expertise about your pregnancies and births have been the

essence of this project.

I wish to express deep gratitude and thanks to my advisor and mentor, Dr. Melissa

Avery. Thank you, Melissa, for continuing to be my champion for many years and

multiple academic and professional milestones.

Thank you to my committee members Wendy Looman, Todd Rockwood, and

Melissa Saftner. Thank you for your knowledge, expertise, and generous support

throughout this process. Special thanks to Melissa whose steadfast support, wisdom, and

humor have been unmatched.

Thank you to my midwife colleagues at University of Minnesota Health who have

supported me during this endeavor, especially when I had pregnancy complications of my

own. I cannot thank you enough for offering to cover shifts and providing compassionate

care that inspired confidence. Deep appreciation to Ann Forster Page, CNM, for the

friendship, mentorship, and of course, the art therapy. Thank you, also, to my colleagues

from the clinics involved in the study, especially to Carla McKim, RN, and Amy Belling-

Dunn, CNM.

A special thank you to my dear friends Windy Fredkove and Sarah Hoffman.

Graduate study can be lonely at times and your writing support, camaraderie, and love

have sustained me throughout.

Thank you to my parents, Beverly and Daniel Chicos, who have instilled in me a

love of learning and service. Your constancy and generosity set another high bar to which

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I aspire. Thank you to my loving sisters, Allison and Amy, for your humor and

encouragement. You rock. Thank you to my star-sister, Neysa Goodman, for the love and

creative texts that helped carry me through to the end.

Finally, thank you to my husband, John, and daughters, Genevieve, Ida, and

Beatrice. John, thank you for almost always saying “yes” to my hair-brained half of our

master plan. Genevieve, Ida, and Bea: thank you for your love, spirit, and self-

confidence. You keep me singing and dancing through it all.

Funding acknowledgements: I am extremely grateful for the funding support I

received for this study from the March of Dimes, the American College of Nurse-

Midwives Foundation, and Jonas Philanthropies.

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Dedication

To John, Genevieve, Ida, and Beatrice.

To my parents.

To birthing people everywhere, you have been my greatest and most awe-inspiring teachers.

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Abstract

Maternal confidence is associated enhanced birth experiences through a greater

sense of control, feeling more informed, and less pain during labor. However, there is no

current definition of maternal confidence for physiologic birth. Further, a valid and

reliable measure of prenatal confidence for physiologic birth for clinical use to identify

areas where confidence might be enhanced has not yet been developed. The objective of

this research was to examine the construct of confidence for physiologic birth and to

develop and test a valid and reliable instrument to measure maternal confidence for

physiologic birth in the prenatal period.

A five-phased instrument development study is presented. In the first section of

this dissertation, the results of an in-depth concept analysis using Rodgers’ evolutionary

concept analysis method are discussed and an evolving definition of confidence for

physiologic birth is provided. This analysis advances the concept of maternal confidence

for physiologic birth and contributes new knowledge regarding how confidence for

physiologic birth might be enhanced prenatally.

The second section describes the development and testing of an instrument to

measure prenatal maternal confidence for physiologic birth. Qualitative analysis from a

previous study with 14 women who birthed physiologically, along with concept analysis

on maternal confidence, informed the development of a 25-item Likert scale. Content

validity and face validity were established by a panel of 10 experts. Psychometric testing

of the instrument was performed with a sample of 206 women from five Midwestern

prenatal clinics.

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In the third section, prenatal characteristics and birth outcomes are examined in

relationship to maternal confidence for physiologic birth. The development of a valid and

reliable instrument to measure confidence for physiologic birth during the prenatal period

will help to guide interventions to enhance women’s confidence and preparation for

childbirth. This may lead to better birthing experiences and improved outcomes for

women and infants.

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Table of Contents

Acknowledgements……………………………………………………………………...…i Dedication…………………………………………………………………………….......iii Abstract……………………………………………………………………………...........iv Table of Contents……………………………………………………………………........vi List of Tables…………………………………………………………………………….vii List of Figures…………………………………………………………………………...viii Chapter 1 Toward a Climate of Confidence for Physiologic Birth………………………………......1 Chapter 2 Maternal Confidence for Physiologic Childbirth: A Concept Analysis…………………20 Chapter 3 Maternal Confidence for Physiologic Birth: Instrument Development and Testing.........51 Chapter 4 Maternal Confidence for Physiologic Birth: Confidence and Associated Outcomes……84 Chapter 5 Synthesis………………………………………………………………………………..108 Bibliography…………………………………………………………………………....123 Appendices……………………………………………………………………………...141

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List of Tables

Chapter 2 Table 1. Attributes, Antecedents, and Consequences of Maternal Confidence for Physiologic Birth………………………………………………………………………...26 Table 2. Selected Quotations from Included Articles Representing Attributes and Antecedents of Maternal Confidence for Physiologic Birth……………………………. 29 Table 3. Characteristics of maternal confidence for physiologic birth and related aspects of midwifery care………………………………………………………………….……..40 Chapter 3 Table 1. Participant Demographic Data………………………………………………….65 Table 2. Item Analysis and Exploratory Factor Analysis with Oblimin Rotation……….68 Table 3. One week test-retest reliability using Intraclass correlation (ICC) for the four extracted factors, n = 203…………………………………………………...69 Chapter 4 Table 1. Postpartum Telephone Interview Questions……………………………………89 Table 2. Participant Demographic Data………………………………………………….91 Table 3. Other Prenatal Characteristics………………………………………………….93 Table 4. Characteristics of Labor and Birth……………………………………………...94

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List of Figures

Chapter 2 Figure 1. Literature search strategy for the concept of maternal confidence for physiologic birth…………………………………………………………………………25 Chapter 3 Figure 1. Derivation of Six Domains of Maternal Confidence for Physiologic Birth…...55 Figure 2. Preliminary Model of Maternal Prenatal Confidence for Physiologic Birth…..56 Figure 3. Preparation for Labor and Birth Instrument Phases of Development…………58 Figure 4. Scree plot and variance explained……………………………………………..67 Figure 5. Reconceptualized Model of Confidence for Physiologic Birth ………………70 Chapter 4 Figure 1. Prenatal Confidence Scores on the Preparation for Labor and Birth (P-LAB) Instrument and Mode of Birth……………………………………………………………96 Figure 2. Prenatal Confidence Scores on the P-LAB Instrument, Intended Use of Medication in Labor, and Actual Use……………………………………………………97

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Chapter 1

Toward a Climate of Confidence for Labor and Birth

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Introduction

In 2008, a multi-stakeholder team of innovators in maternity care convened to

create the consensus document, 2020 Vision for a High-Quality, High-Value Maternity

Care System (Carter et al., 2010). In this vision paper, the authors identified six aims

applied to maternity care. One of the aims, woman-centered care, includes the goal of

care practices that “create a climate of confidence and enhance outcomes of care, as well

as women’s childbearing experiences” (Carter et al., 2010). Care and education during

pregnancy, they recommend, are to be designed and delivered to empower women to

emphasize a climate of confidence. The Carter et al. paper, along with numerous recent

others (ACNM, 2012; Buckley, 2015; Sakala & Corry, 2008), is in response to decades of

increasing health care spending, use of technology, and interventions in maternity care in

the United States (US).

The US spends a disproportionate amount on health care, accounting for 17.5% of

its Gross Domestic Product (Torio & Moore, 2013). Hospitalizations related to pregnancy

and birth accounted for 5 of the 20 most expensive conditions for hospital care covered

by Medicaid (Torio & Moore, 2013). This is reflected in women’s experiences of care

and interventions during labor and birth. According to a recent large study of US women

(Listening to Mothers III), 30% of women experienced induction of labor, 67% of

women used epidural anesthesia for pain control, 62% had an I.V. in labor, and 31%

received pitocin to augment labor (Declercq, Sakala, Corry, Appelbaum, & Herrlich,

2013).

Cesareans are the most common operating room procedure in the US (Pfuntner,

Wier, & Stocks, 2013), with the cesarean birth rate increasing almost 60% from 1996 to

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2009 (Osterman & Martin, 2013). Today, approximately one third of all women will

undergo a cesarean (Martin, Hamilton, Osterman, Driscoll, & Drake, 2018). Overuse of

cesareans is associated with chronic disease in children including asthma, obesity, and

type 1 diabetes (Bonifacio, Warncke, Winkler, Wallner, & Ziegler, 2011; Huang et al.,

2015; Li, Zhou & Liu, 2013), in addition to excess morbidity in women and infants

(Caughey, Cahill, Guise, & Rouse, 2014). The US has the highest rate of maternal

mortality among developed countries rising steadily from 7.2/100,000 live births in 1987

to 17.8/100,000 live births in 2011 (CDC, 2017). Racial disparities also exist with black

women three to four times more likely to die of pregnancy related causes than white

women (CDC, 2017). A recent review of maternal deaths found that 60% of the

pregnancy-related deaths were preventable (CDC, 2017).

In contrast, a physiologic approach to childbirth is cost-effective (Truven Health

Analytics, 2013) and provides many positive benefits for the mother and infant (Buckley,

2015) including less intervention during the labor process, decreased use of medication in

labor, faster recovery, decreased newborn complications, and increased maternal

satisfaction and empowerment (Simkin & Bolding, 2004; Moore, Anderson, & Bergman,

2007 ; Dixon, Skinner, & Foureur, 2013). Numerous organizations have endorsed and

defined physiologic or “normal” birth. The World Health Organization (WHO) defined

normal birth as: “Spontaneous in onset, low-risk at the start of labour and remaining so

throughout labour and delivery. The infant is born spontaneously in the vertex position

between 37 and 42 completed weeks of pregnancy.” (WHO, 1997). The International

Confederation of Midwives (ICM) defined physiologic birth as: “A unique dynamic

process in which fetal and maternal physiologies and psychosocial contexts…where the

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woman commences, continues and completes labour with the infant being born

spontaneously at term, in the vertex position at term, without any surgical, medical, or

pharmaceutical intervention” (ICM, 2014). In 2012, the three midwifery organizations in

the US, the American College of Nurse-Midwives (ACNM), Midwives Alliance of North

America (MANA), and the National Alliance for Certified Professional Midwives

(NAPCM) came together to create an historic consensus statement in support of

physiologic labor and birth. They defined physiologic birth as “…one that is powered by

the innate human capacity of the woman and fetus” (ACNM, 2012). More specifically,

physiologic birth is “…characterized by spontaneous onset and progression of labor,

includes biological and psychological conditions that promote effective labor, results in a

vaginal birth of infant and the placenta, results in physiologic blood loss, facilitates

optimal newborn transition through skin-to-skin contact and keeping the mother and

infant together, and supports early initiation of breastfeeding” (ACNM, 2012).

How women develop confidence for physiologic birth, however, is not well

researched or understood (Avery, Saftner, Larson, & Weinfurter, 2014). Some women

prepare for labor and birth through participation in childbirth education courses, but there

are numerous barriers that exist for women to obtain access to childbirth education. Many

women only prepare for birth through prenatal care visits with their providers, however,

visit lengths are often only 15 minutes and providers assert that there are barriers to

providing education about physiologic birth during prenatal care (Saftner, Neerland, &

Avery, 2017). Childbirth education and prenatal visits are means for women to gain

information about labor and birth but may not necessarily geared toward developing

confidence for physiologic birth.

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Preparation for Birth

Education through Prenatal Care

Prenatal care is one of the most widely utilized health care services in the US

(Kogan et al., 1998). In 2006, it was estimated that 92-96% of women giving birth in the

US received at least some prenatal care (Reichman, Corman, Noonan, & Schwartz-

Soicher, 2010). Standard prenatal care is described as a series of visits during pregnancy

where women are provided with education regarding pregnancy, monitoring of medical

conditions, testing for complications of pregnancy, and referral for services such as

support groups or other social services (Reichman et al., 2010). Despite its widespread

use, however, the effectiveness of prenatal care has been deemed equivocal if not

controversial (Alexander & Kotelchuck, 2001). Additionally, there exists considerable

variation in timing and content of prenatal care with few of the components being

formally evaluated on their effectiveness (Dowswell et al., 2015).

Education offered through prenatal visits was outlined in a classic article by

Roberts in 1976 and included four broad categories: 1) information in response to

specific questions, problems or experiences of the woman at a particular time in her

pregnancy, 2) information that is essential for a woman to have for her own or her baby’s

health and safety, 3) anticipatory guidance that will facilitate a woman’s efforts to deal

realistically with the pregnancy and with issues or aspects of childbirth, and 4) additional

information regarding pregnancy progress, childbirth, or institutional policies that may be

helpful (Roberts, 1976). Hanson et al. (2009) write that Roberts’ assertion to put the

needs of the woman first is still pertinent today. In fact, Hanson et al. (2009) conducted

an in-depth examination and critique of four current prenatal care guidelines from

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professional organizations: Institute for Clinical Systems Improvement (ICSI), American

Academy of Pediatrics (AAP)/American Congress of Obstetricians and Gynecologists

(ACOG), American Academy of Family Physicians (AAFP), and US Department of

Veterans Affairs/Department of Defense (VA/DoD). The authors found significant

exclusions regarding prenatal education and that all lacked specifics and a systematic

approach related to prenatal education content.

Women’s voices regarding prenatal care are lacking. Novick (2009) conducted an

integrative review of research on women’s experiences of prenatal care. The author found

that while there are strong recommendations for a woman-centered approach to care,

there is limited evidence in regard to women’s overall experience of prenatal care.

Novick identified several gaps in the literature including women’s perception of control

and participation in care, individualizing care, and improving interpersonal

communication with staff and clinicians. Further, women report numerous barriers to

prenatal care including structural, societal, and maternal barriers (Novick, 2009; Phillippi,

2009).

Childbirth Education

In the most recent Listening to Mothers study (LTM III), one in three women

(34%) reported taking a childbirth education class with their current pregnancy. New

mothers (59%) were more likely than experienced mothers to have taken a class. Overall,

half (53%) of mothers had taken a class either with their current pregnancy or a prior one

(Declercq et al., 2013). However, large disparities in attendance exist. In a national study

of 1,540 women, Lu et al. (2003) found sociodemographic disparities significantly affect

the uptake of childbirth education classes. Women of color, women with less education,

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women with low income, and women who had never been married were significantly less

likely to attend childbirth education classes than white, college-educated, non-poor, and

married women. Additionally, there is a lack of evidence to support improvement in

outcomes from childbirth education. Authors of a 2007 Cochrane review concluded that

there was little quality evidence to support individual or group prenatal education for

childbirth or parenting (Gagnon & Sandall). Further, the researchers found that

interventions varied widely and there were no consistent outcomes measured. Others

have been critical that the information offered in prenatal education is highly influenced

by institutional and cultural beliefs (Morton & Hsu, 2007; Murphy, 2008; Walker,

Visger, & Rossie, 2009) or by the educators’ needs and agendas (Gagnon & Sandall,

2009).

Ferguson, Davis, & Browne (2013) conducted a structured review regarding

childbirth education and its effect on the outcomes of labor and birth, particularly

physiologic birth. The authors reviewed ten international articles and found that

childbirth education is associated with the positive effects of less false labor admissions,

decreased anxiety, and greater partner involvement. They also found, however, that

childbirth education was associated with some negative effects such as induction of labor

and greater epidural use. The evidence regarding the effect of childbirth education on

mode of birth is contradictory. Maternal confidence for physiologic birth was not

addressed.

Maternal Confidence for Childbirth

Preliminary studies of maternal confidence during labor demonstrate an inverse

relationship between confidence and pain, where women who articulate greater

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confidence to cope with labor experience less pain during labor (Lowe, 1991).

Confidence to give birth without unnecessary interventions, however, has not been fully

examined in order to better understand how it can be developed or strengthened over the

course of the prenatal period in order to improve outcomes for women and their

newborns. More recent studies have been performed illustrating how women gain

confidence for physiologic birth (Avery, Neerland, & Saftner, Accepted; Saftner,

Neerland, & Avery, 2017). In addition, maternal confidence for physiologic birth has not

been clearly defined. Instruments measuring self-efficacy and, to a lesser extent,

confidence for labor, exist but are not specific to physiologic childbirth. Further, the

instruments were created for use in research and not for use by clinicians (Avery et al.,

2014). Finally, the existing instruments measure confidence or self-efficacy during labor

or postpartum and do not address how providers might enhance confidence during the

prenatal period.

Study Purpose and Specific Aims

In the US, childbirth has become highly medicalized, with increasing use of

technology and intervention. More is spent on childbirth in the US than any other

developed country, without improved outcomes. In addition, the delivery of prenatal care

has not changed significantly and research demonstrates that prenatal care guidelines are

deficient in education for labor and birth and lack a woman-centered focus. The evidence

also demonstrates that antenatal education does not affect labor and birth outcomes and

that many women continue to face numerous barriers to prenatal care and childbirth

education. Understanding how to enhance women’s confidence to achieve physiologic

childbirth may be seen as one solution to the increased medicalization and intervention

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that accompanies birth in US. However, how to prepare women to birth physiologically

with confidence is not clear. Therefore, the overall purpose of this study was to develop

and test a valid, reliable, and clinically useful instrument that measures women’s

confidence prenatally to achieve physiologic birth. The specific aims were:

1. Identify the content domain for maternal confidence for physiologic birth in the

prenatal period.

2. Appraise the feasibility and face validity an instrument to measure prenatal

maternal confidence for physiologic birth.

3. Evaluate preliminary reliability and construct validity of an instrument to

measure prenatal maternal confidence for physiologic birth.

4. Examine maternal confidence for physiologic birth and associated prenatal

characteristics and labor and birth outcomes.

Theoretical Framework

The theoretical framework for this study is Antonovsky’s theory of salutogenesis,

which has been increasingly used in relation to childbirth (Ferguson, Brown, Taylor, &

Davis, 2016; Meier Magistretti, Downe, Lindstrøm, Berg, & Schwarz, 2016; Perez-

Botella, Downe, Meier Magistretti, Lindstrøm, & Berg, 2015; Downe, 2010).

Salutogenesis, according to Antonovksy (1996), is moving toward greater health along a

health-ease/disease continuum, utilizing the resources available. Antonovksy recognizes

that pathogenesis or abnormalities in health sometimes arise, however, using the

salutogenic paradigm can help providers assist patients in moving toward greater health.

One of the main concepts of salutogenesis is sense of coherence (SOC). When confronted

with a health stressor, SOC helps facilitate people toward optimal health. Sense of

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coherence includes the components meaningfulness (the desire to be motivated to cope),

manageability (belief that resources are available), and comprehensibility (belief that the

challenge is understood) (Antonovsky, 1996). This theoretical approach is relevant to

pregnancy and birth as the majority of women are healthy and without risk factors for

obstetrical complications. Viewing all pregnant women as “at risk” and in need of

medical management lacks an evidence-based approach and may even create the

potential for harm (Jordan & Murphy, 2009). Further, a focus on risk may lead to

increased fear and anxiety, instead of confidence for the woman and her family. Sense of

coherence, conversely, is related to confidence as SOC is the global orientation that one’s

environments are predictable and can be explained and that resources are available to

meet the demands of a change or stressor (Antonovsky, 1987). From this view, labor and

birth are not seen as inherently pathogenic, but present a change in health status and SOC

can be mobilized to support a physiologic or health-promoting approach.

Organization of Dissertation

This dissertation is organized according to the manuscript option and criteria put

forth by the University of Minnesota School of Nursing and the University of Minnesota

Graduate School. In Chapter 1, I provide the background for the dissertation including

the current state of maternity care in the US and a brief overview of preparation for

childbirth through childbirth education and prenatal care. In addition, I outline the

definition and benefits of physiologic birth as well as identify the need for a valid and

reliable instrument which measures prenatal maternal confidence for physiologic birth. A

description of Antonovsky’s theory of salutogenesis is also included as it provides the

broad theoretical framework for the dissertation.

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Chapters 2-4 are presented in individual manuscript format. Prior to this research,

there was no clear definition of maternal confidence for physiologic birth. Chapter 2,

Maternal Confidence for Physiologic Childbirth: A Concept Analysis (Neerland, 2018),

provides a concept analysis of the construct confidence for physiologic birth utilizing

Rodgers’ evolutionary method. Attributes, antecedents, and consequences of confidence

for physiologic birth are identified in addition to comparisons of these components to key

aspects of midwifery care. The concept analysis provides the foundation for the model for

confidence for physiologic birth, including the content domain on which an instrument to

measure confidence for physiologic birth is developed. Future areas of exploration of the

concept are identified including confidence for physiologic birth among women of

different cultures and racial and ethnic backgrounds.

The Chapter 3 manuscript, Maternal Confidence for Physiologic Birth:

Instrument Development and Testing, provides a detailed discussion of the development

of an instrument to measure prenatal confidence for physiologic birth, the Preparation for

Labor and Birth (P-LAB) instrument. I review the multiple phases undertaken in the

design of the instrument including expert review of the P-LAB items, cognitive

interviews, field study, and psychometric testing of the instrument. Based on the analysis

of the instrument, a revised model for prenatal confidence for physiologic birth is

provided.

In Chapter 4, Maternal Confidence for Physiologic Birth: Confidence and

Associated Outcomes, I utilize the P-LAB instrument to examine prenatal confidence

scores of a large number of women (n = 192) and the relationship to prenatal

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characteristics and birth outcomes including provider type, birth mode, and use of pain

medication in labor. Important areas for future research are identified.

Finally, Chapter 5 is a synthesis of the major results of the dissertation. The

synthesis includes a discussion of the implications related to the findings, strengths and

limitations, and areas for future research. Antonovsky’s theory of salutogenesis is also

revisited to examine its usefulness as a theory related to confidence for physiologic birth.

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Lu, M. C., Prentice, J., Yu, S. M., Inkelas, M., Lange, L. O., & Halfon, N. (2003).

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Meier Magistretti, C., Downe, S., Lindstrøm, B., Berg, M., & Schwarz, K. T. (2016).

Setting the stage for health: Salutogenesis in midwifery professional knowledge in

three European countries. International Journal of Qualitative Studies on Health

and Well-Being, 11, 10.3402/qhw.v11.33155.

http://doi.org/10.3402/qhw.v11.33155

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MD: National Center for Health Statistics.

Moore, E., Anderson, G., & Bergman, N. (2007). Early skin-to-skin contact for mothers

and their healthy newborn infants. Cochrane Database of Systematic Reviews, 3,

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Morton, C. H., & Hsu, C. (2007). Contemporary dilemmas in American childbirth

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Chapter 2

Maternal Confidence for Physiologic Childbirth: A Concept Analysis

Ó Journal of Midwifery & Women’s Health

John Wiley & Sons

doi:10.1111/jmwh.12719

Carrie E. Neerland

University of Minnesota School of Nursing

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INTRODUCTION

Much recent attention has been given to physiologic birth, which has been defined

by the American College of Nurse-Midwives (ACNM), Midwives Alliance of North

America, and National Association of Certified Professional Midwives as

one that is powered by the innate capacity of the woman and fetus and is characterized

by spontaneous onset and progression of labor; includes biological and psychological

conditions that promote effective labor; results in the vaginal birth of the infant and

placenta; results in physiological blood loss; facilitates optimal newborn transition

through skin-to-skin contact and keeping the mother and infant together during the

postpartum period; and supports early initiation of breastfeeding.1

Physiologic birth is associated with positive outcomes for a woman and infant,

including avoidance of surgical or instrumental intervention, facilitation of newborn

transition, enhanced maternal-infant bonding, improved rates of breastfeeding initiation,

and beneficial effects on the woman’s physical and mental health.2–5 Although most

pregnant women are healthy during pregnancy and at low risk for complications during

labor and birth, technology-intensive and risk-based care is the norm in the United

States.6 According to the Listening to Mothers III survey, 30% of women experienced a

medically induced labor, 67% of women used epidural analgesia for pain relief, 62% had

intravenous fluids in labor, and 31% were given synthetic oxytocin to speed labor.7

Additionally, cesareans are the most common major operating room procedure,8 with

almost one-third (32.0%) of women experiencing cesarean birth.9 Overuse of this

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procedure is associated with excess morbidity in women and infants.10 Finally,

interventions in labor and the structure of the maternity care system in the United States

may be associated with fear of childbirth for women.11

Grantly Dick-Read, a British obstetrician who is often considered the father of the

natural childbirth movement, hypothesized that women who have fear and subsequent

muscle tension will also have increased pain. This theory was referred to as the fear-

tension-pain cycle.12 Increased pain and difficulty coping may then lead to requests for

epidural analgesia or other interventions, generating a “cascade of intervention.”13

Overuse of labor interventions may expose women and infants to avoidable harms.14

Maternal confidence for birth may be seen as one solution to ameliorate the fear-

tension-pain cycle and prevent the cascade of intervention. Studies of confidence for

labor and birth have demonstrated an inverse relationship between confidence and pain,

in which women who articulate greater confidence about coping with labor experience

less pain during labor15,16 and may experience decreased anxiety17 and enhanced birth

experiences and satisfaction.18

Maternal confidence, specifically in relation to physiologic birth, has not been

fully examined to better understand how it can be developed or strengthened prenatally.19

The purpose of this concept analysis is to clarify and define the concept of maternal

confidence for physiologic childbirth.

Background

The term confidence, as it relates to labor and birth, is used in numerous contexts,

including childbirth education methods, consumer literature, and research. Lamaze

International encouraged confident birthing through childbirth preparation beginning in

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the 1960s and 1970s. The landmark publication Our Bodies, Ourselves: Pregnancy and

Birth also emphasizes a “climate of confidence,” which centers on a belief in women’s

ability to give birth, as opposed to a climate of doubt and fear.20

We acknowledge important differences between confidence and the surrogate

term self-efficacy. These two terms, however, have historically been used

interchangeably. Confidence is “a feeling of self-assurance arising from [an] appreciation

of one’s own abilities or qualities.”21 Our application of this term to physiologic birth

captures the accessibility and usability of the term for women. We argue that it is a more

woman-centered term. Furthermore, the term confidence is more accessible and relevant

to the clinical setting, in which maternity care providers and others in supportive roles

can potentially use new methods to enhance maternal confidence for physiologic birth.

Bandura’s self-efficacy theory is the most widely used theory in research related

to labor and birth. Self-efficacy is “one’s belief in one’s ability to perform a specific

behavior or set of behaviors required to produce an outcome.”22 Bandura originated the

distinction between confidence and self-efficacy, writing that confidence is a less specific

term that refers to the strength of belief but does not specify what the belief is about.23

Lowe interpreted this distinction and contributed to the merging of the 2 terms by

conceptualizing confidence as the ability to cope with labor based on the woman’s belief

that she is capable of using specific coping behaviors that will lead to the specific

outcome of birth.16 Confidence is a broader belief in abilities and personal qualities,

whereas self-efficacy is the specific belief that one can perform required behaviors and

that if those behaviors are performed, they will lead to a given outcome. The focus of this

concept analysis is the broader construct of confidence.

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METHODS

The electronic databases Ovid MEDLINE, CINAHL, PsycINFO, and Sociological

Abstracts were accessed to identify peer-reviewed articles published from 1995 through

the end of 2015. This time frame was selected because literature and clinical practice

have increasingly focused on physiologic childbirth in the last 2 decades.19 Search terms

included the headings pregnancy, obstetric care, and prenatal care and the truncated

keyword confiden*. The heading self-efficacy was also searched to potentially identify

articles on maternal confidence. Articles were identified for full, in-depth review if the

concept of confidence was assessed, used, or defined. In addition, articles were included

if they identified physiologic or normal birth as an outcome or if physiologic birth was

discussed or implied.

Rodgers’ evolutionary method was selected for this concept analysis, as it is a

systematic method that is context-dependent, inductive, and dynamic. According to

Rodgers, concepts are not static; they evolve and develop over time and within the

context of different periods.24 Each article was read in its entirety, then again with a focus

on identifying the attributes, contextual features, surrogate terms, related concepts, and

application of the concept of confidence. Data, including phrases, quotes, and themes,

were recorded in separate tables based on their relevance to the major categories: 1)

attributes, 2) antecedents, 3) consequences, 4) surrogate terms, and 5) related concepts.

Thematic analysis was then performed by hand and by one researcher (the author).

Thematic analysis included an inductive examination of each category of data to identify

major themes. Articles were then reread, and further analysis was performed regarding

contextual factors and disagreement or agreement across disciplines and types of studies.

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RESULTS Articles were chosen for initial review based on their title and abstract. A total of 505

articles were identified. Of those, 41 were identified for in-depth review. Articles were

rejected if they did not address confidence or physiologic or normal birth, were

duplicates, or were not in the English language. Instrument validation studies were also

Figure 1. Literature search strategy for the concept of maternal confidence for physiologic birth.

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excluded. One recent review of maternal confidence19 was also excluded to avoid

duplication of analysis. Thirteen articles were chosen for analysis. A hand search of the

reference lists of the selected articles was performed, and 11 additional articles were

incorporated into the analysis for a total of 24 articles (Figure 1). The included articles

represent work from 11 countries and incorporated commentary and qualitative,

quantitative, and mixed-methods studies. Study populations included nulliparous and

multiparous pregnant and postpartum women, women who intended a pregnancy in the

future, experienced midwives, and childbirth educators.

Table 1. Attributes, Antecedents, and Consequences of Maternal Confidence for Physiologic Birth Characteristics of a Concept

Definitiona

Themes Within the Concept of Maternal

Confidence for Physiologic Birth

Attributes Defining attributes are clusters of characteristics that make it possible to identify situations that can be categorized under the concept

Belief in labor and childbirth as a normal process Confidence in women’s innate ability to birth Past experiences Knowledge and information

Antecedents

Antecedents are the events or phenomena that have previously been related to the concept

Uncertainty Support (partner, family, social) Communication Trusted relationship with provider Continuity of care Birth stories

Shared decision making

Feeling equipped or prepared Sources of information and preparation Confidence in the system and place of birth

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Consequences

Consequences are situations that occur as a result of the concept

Feeling prepared Increased confidence during labor and birth Confidence in ability to achieve physiologic birth in desired birth setting Increased confidence in coping with labor pain Decreased pain in labor Positive birth experience and increased satisfaction with birthing experience Empowerment after birth Increased feelings of confidence and autonomy leading to responsibility Decreased fear of childbirth

aSource: Rodgers24

Attributes

Four attributes of confidence for physiologic birth were identified: belief in labor and

childbirth as a normal process, confidence in one’s own innate ability to birth, past

experiences, and knowledge and information (Table 1).

The belief in childbirth as a normal process emerged as a critical characteristic of

confidence for physiologic labor and birth.18,25–29 Women who had confidence for

physiologic birth had the belief that childbirth is a process that should not be interfered

with unless medically necessary.18 Confidence for birth was also associated with the

ability to manage childbirth and an acceptance of labor pain.25 In addition, innate

confidence in the birth process was found to be a factor in women’s decision to birth in a

birth center or at home.26,27 Grigg et al identified confidence as an overarching theme in

decision making about birth setting and found that women who believe that pregnancy is

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a normal, healthy physiological process are more likely to have confidence in the birth

process.26

Another key attribute of a woman’s confidence for physiologic birth was her

belief in her innate ability to birth.18,25–28,30,31 In numerous instances, women described

confidence in their body’s ability or a confidence in their innate ability to give birth

(Table 2). In a grounded theory study on women, their care providers, and confidence, the

participants noted that midwives’ confidence in their ability to birth translated into their

own confidence.31 Catling-Paull et al, in a qualitative study of 10 women who had given

birth at home, reported that the women stated that their bodies were healthy and that they

felt capable, which gave them confidence to birth physiologically at home.30 In another

study, childbirth educators said that 2 of the main goals of childbirth education classes

were for the woman to have trust in her body and to instill confidence in the her ability to

birth.32 Lothian has called for a paradigm shift to a maternity care culture that trusts that

birth works. This paradigm shift, including a woman’s confidence in her inherent ability

to birth, is needed for physiologic birth to occur.28

Women’s past experiences with labor and birth were also a prominent attribute of

confidence for physiologic birth.18,26,27,30,33–35 Previous experience giving birth reassured

women that they were capable, both physically and psychologically, of giving birth

again. Firsthand or vicarious exposure to birth was also associated with reduced fear of

childbirth.33 Both good and bad experiences led to increased knowledge that empowered

women.34

Knowledge and information were also defining attributes of confidence for

physiologic birth.30,36–38 The attainment of knowledge and information and using them to

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participate in decision making with a maternity care provider increased women’s

confidence in achieving physiologic childbirth.26 Sharing of information by maternity

care providers and among women increased pregnant women’s confidence.35 Jeschke et

al found that feeling informed was important in relation to women’s confidence in birth.36

Women seek knowledge and information from multiple sources during pregnancy. Lagan

et al found that most women use the Internet to supplement information obtained from

health care providers, and many use it to help with decision making during pregnancy.37

Among women who had previously experienced cesarean birth, those who received

tailored care from a next birth after cesarean program gained knowledge and

confidence.38 Additionally, young women who reported a high degree of confidence in

childbirth knowledge were significantly more likely to prefer vaginal birth to a

cesarean.39

Table 2: Selected Quotations from Included Articles Representing Attributes and Antecedents of Maternal Confidence for Physiologic Birth Conceptual Characteristic

Author

Year

Quotation

Attribute Belief in childbirth as a normal process

Edmonds et al25 2015

“Our bodies are made for the birthing process.”

Belief in childbirth as a normal process

Grigg et al26 2015

“I think…it’s a hospital, which if you are sick or if you’ve had an accident, that’s great, that’s exactly what you want; but I wasn’t sick, I was having a baby—it’s a perfectly natural process that millions of women all around the work have managed to do without nice shiny hospitals.”

Confidence in woman’s innate ability to birth

Brown31 1998

“There was something about the way the midwives related to us that made me feel like, well, this is something all women can do, and I can do this.”

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Confidence in woman’s innate ability to birth

Catling-Paull et al30 2011

“With this baby I really wanted to be in control and I knew that my body was capable and I didn’t have any issues.”

Past experiences Catling-Paull et al30 2011

“I had done it before—twice without any medication—I didn’t have any pain relief—so I knew that I could do it without that.”

Knowledge and information

Brown31 1998

“Gathering information, learning about being pregnant, and learning about giving birth helped me to feel confident.”

Knowledge and information

Lindgren et al27 2006

“I didn’t read anything for nine months except birthing books, I swear. I mean, I just studied it. I knew it so well that the birthing classes suggested that I become a teacher.”

Antecedent Uncertainty

Brown31 1998

It’s hard when you are going to a doctor, and the information is not there for you, and yet you’re curious. It’s like the only way you’re going to find out is on your own.”

Communication McCourt & Stevens44 2006

“Well I could talk to her about anything and say to her everything, that’s how much confidence I had in her.”

Trusted relationship with maternity care provider

Brown31 1998

“My midwife always presented all of my options. I totally trusted whatever she felt needed to be done, only because there was a confidence factor there.”

Continuity of care Leap et al35 2010

“You just find instant comfort, and you know that no matter what happens they’ll be there. That was really important. I think that’s the biggest thing…You’ve got the same people all the way through.”

Birth stories Leap et al35 2010

“Sometimes I thought…Am I going to make it? How is it going to be? How am I going to cope? But on the other hand, I remember, it’s like flashing back and I remember all the experiences being

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shared by other women, which makes me feel strong, strong again.”

Feeling equipped or prepared

Brown41 1998

“I was just doing research to find out, to educate myself so that when the time came if I had the knowledge, I was educated enough to make an intelligent decision. I wanted to be prepared so I knew what to do when the time came.”

Sources of Information and preparation

Gibbins & Thomson43 2001

“My preparation definitely helped. Knowledge is power. I had as much knowledge as I felt I needed. I tried to find out about everything going, all the pain relief, I went to the classes, breathing classes and it definitely helped.”

Consequence Feeling prepared Dahlen et al42

2008 “By the time I was in preparation for her birth, I had a lot of very, very positive expectations around the birth. I envisioned love around me and my own environment. To have all the things that I wanted, like music and the candles and the aromatherapy and my sister and husband and [midwife].”

Increased confidence during labor and birth

Grigg26 2015

“My midwife gave me the confidence and courage to really believe that my body would know what to do when the time was right.”

Confidence to achieve birth in desired birth setting

Catling-Paull et al30 2011

“I will strongly think that home is the place to be…yes I still will definitely plan another home birth.”

Confidence to achieve birth in desired birth setting

Gibbins and Thomson43 2001

“My preparation definitely helped. Knowledge is power. I had as much knowledge as I felt I needed. I tried to find out about everything going, all the pain relief, I went to the classes, breathing classes and it definitely helped.”

Empowerment after birth

Leap et al35 2010

“So, I was brave! I was strong…So I was like, ‘Yes, I have done it! Yes, I can do it!’ I was so happy. I honestly never had this kind of joy since I was born. I don’t

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know where this joy came from. I don’t know how to describe the endless joy that came in me…I can’t really explain. I’m very pleased, very pleased, that I did it naturally. I feel so proud, full of myself, I’m very proud to have him naturally. I’m very proud even now.”

Antecedents

Antecedents of confidence for physiologic birth include uncertainty, support (partner,

family, and social), communication, trusted relationship with a maternity care provider,

continuity of care, birth stories, shared decision making, feeling equipped or prepared,

sources of information and preparation, and confidence in the system and place of birth.

Many women have feelings of uncertainty about the pregnancy diagnosis, how the

pregnancy will progress, fetal development, and the labor and birth process. Luyben and

Fleming conducted a grounded theory study of what aspects of antenatal care were

important to women and found that the discomfort of uncertainty prompted women to

seek knowledge and information, which enhanced childbirth confidence.34 Another study

indicated that a trusted relationship with a caring provider, acknowledgement of fears and

uncertainty, and hearing other women’s stories empowered women to overcome feelings

of uncertainty and fear.35

Support during pregnancy also led to the development of confidence for

physiologic childbirth.18,27,34–36,38,40,41 Social support included understanding, caring, and

information giving from partners and midwives. Reiger and Dempsey found that in labor,

a woman’s confidence for birth is either enhanced or lessened by the ways in which her

support persons mediate the overwhelming cultural message that birth is too difficult to

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accomplish without medical intervention. The authors described a “holding circle” in

which caregivers offered a deep level of support, including reassurance and touch, that

translated into a trusted relationship that supported the normal physiology of birth.41

Similarly, Leap et al found that the level of confidence that women developed during

pregnancy affected how they coped with pain during labor. This confidence was

expressed in terms of trusting their midwives and, in particular, the reassurance they

offered.35 Luyben and Fleming also remarked that the midwife-patient relationship

played a role in enabling women’s confidence. The women in their study sought

maternity care providers whom they could trust, who shared their views, and who would

be advocates who offered information, options, and support. This relationship helped the

women to feel more confident throughout prenatal care, birth, and postpartum care.34

Martin et al noted that women who attended a next birth after cesarean clinic described

their relationship with their midwives as supportive and “on the same page.” These

women were more confident and satisfied with their care at 36 weeks than were their

counterparts who did not attend the clinic.38

Communication and shared decision making are also antecedents of maternal

confidence for physiologic birth.17,18,35,36,38 Feeling listened to and informed, especially if

conditions changed, were of utmost importance.18 Leap et al found that women connected

their developing confidence with the way their midwives shared information and

discussed choices.35 Midwives in another study reported that, although time constraints

could be a barrier, creating a space in which women felt free to ask questions and felt

listened to increased women’s empowerment regarding decision making.17 Alternately,

feeling not listened to or not acknowledged, or feeling that they did not have control, led

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women to feel more fear or anxiety.38 Participating in decision making also led to

increased satisfaction and confidence.36

A trusted relationship with a maternity care provider played a significant role in

the development of maternal confidence for birth.17,26,28,30,34–36,38,41 Women with

confidence for home birth described confidence in their midwives and the development

of a close, trusting relationship that included respect, answering questions with ease, and

a positive approach to birth.30 Similarly, Grigg et al found that women’s confidence in

their midwives helped them to feel comfortable and supported in their choice of birth

setting.26 Leap et al showed that women’s confidence for birth, without using

pharmacologic pain relief, was mediated by a trusting relationship with their midwives.

Women described the 2-way relationship as one that encompassed closeness, expertise

and guidance, expressing an interest in the women, and information sharing.35 In a study

by Luyben and Fleming, women also described searching for someone whom they could

trust and who would provide information, choices, and encouragement. Midwives were

described as advocates who knew and would honor the women’s preferences. The

authors described the care provider as an essential part of the equation. In the woman-

provider relationship, the trust that the women had in their care providers transferred into

the confidence that the women gained throughout the childbearing transition.34

Along with a trusting relationship with a maternity care provider, continuity of

care played a significant role in the development of women’s confidence for physiologic

birth.17,26,35,38,42–44 Women expressed a desire to have continuity in care throughout their

pregnancy, and their confidence was enhanced when that care extended to the labor and

birth setting. Midwives also agreed that a continuity model was the gold standard and

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facilitated the midwife-woman relationship, centering the woman and the normalcy of

pregnancy and thereby decreasing anxiety.17

Confidence during the labor process has also been associated with feeling

prepared or equipped prenatally.18,27,30 Catling-Paull et al noted that women’s confidence

grew from a responsibility to equip themselves and antenatal preparation.30 Similarly,

Lindgren et al found that physical and intellectual preparation for birth, by reading,

keeping the body strong, and talking with others with similar experiences, helped to build

confidence for birth.27 Luyben and Fleming reported that confidence was gained from the

building of knowledge and information and that antenatal classes were an important

contributing factor.34

Women gain confidence for physiologic birth from numerous sources of

information and preparation.25,30,33,35,37–39 Catling-Paull and colleagues reported that

women sought information about home birth from books, the Internet, health

professionals, and friends. Previous experience was a dominant source of information.30

Witnessing a birth first-hand was an influence on young women’s preference for

physiologic birth prior to pregnancy, as well as family, friends, school, and media.25,33

Conversations with friends and relatives were a main source of information for many

women.26 Pregnant women frequently use the Internet to research information on their

own, to supplement what they have learned from a health care provider, to research

specific symptoms, and to gain more control of decision making.37 Antenatal groups were

also a source of information and support for pregnant women.35 Birth stories and birth

photos were a frame of reference and a source of inspiration and strength.35

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The sharing of birth stories pervades the literature about confidence for

birth.28,30,34–36 Women who desired home birth talked with other women who had

experienced home birth or knew women who had given birth at home.30 Additionally,

women actively avoided negative stories or those that were negative toward their choice

to birth at home.30 Women who participated in an optional antenatal group gained

confidence through sharing information and birth stories. Some women coped during

labor by recalling other women’s birth stories.35 Luyben and Fleming wrote that women

obtained knowledge by comparing the stories of other women, friends, and family. The

information acquired by the women helped them feel confident because it helped them

gain further understanding.34

Women who expressed confidence for physiologic birth also expressed

confidence in the system or intended birth setting.18,26,30 The physical environment is very

important to laboring women and can enhance their confidence or heighten their anxiety.

Attanasio et al found that women referred to the importance of the physical space where

they gave birth, including privacy, comfort, and room for support persons.18 For women

who expressed confidence to birth physiologically at home, confidence in the health care

system was important. A feeling of safety was beneficial, and having the ability to easily

transfer to the hospital if necessary helped women feel more confident. In addition, a

calm, relaxing environment was valuable to women.30 In a New Zealand study regarding

women who chose birth center birth instead of hospital birth, women expressed

confidence in the system and place of birth. For this study, system included timely access

to resources and transfer if needed. Women who chose the birth center also expressed

confidence in the place itself, including the midwives and the facility.26

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Consequences

The consequences of maternal confidence for physiologic childbirth identified in this

analysis include feeling prepared,30 increased confidence during labor and birth,18

confidence in achieving physiologic birth in the desired birth setting,26,30 increased

confidence in coping with labor pain,25 decreased pain,16 positive birth experience and

increased satisfaction with birthing experience,18 empowerment after birth,35,45 increased

feelings of confidence and autonomy leading to responsibility,34 and decreased fear of

childbirth.25,33,38

Evolving Conceptual Definition

In summary, using the defining attributes and antecedents of maternal confidence for

physiologic birth as a foundation, an evolving conceptual definition can be stated:

maternal confidence for physiologic birth is a woman’s belief that physiologic birth can

be achieved, based on her view of birth as a normal process and her belief in her body’s

innate ability to birth, which is supported by social support, knowledge, and information

founded on a trusted relationship with a maternity care provider in an environment where

the woman feels safe.

Surrogate Terms and Related Concepts

Several surrogate terms and related concepts were found during data analysis. Surrogate

terms identified were self-efficacy and self-confidence. Related terms included fear,

control, trust, satisfaction with childbirth, and empowerment.

DISCUSSION

Women’s satisfaction with childbirth is closely related to maternal confidence for

physiologic birth. Hodnett, in a systematic review of factors influencing women’s

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satisfaction with their childbirth experience, found 4 factors associated with satisfaction:

personal expectations; support from caregivers; quality of relationship with caregivers,

including communication; and participation in decision making.46 As described in this

concept analysis, these factors are inherent to maternal confidence for physiologic birth;

however, it is difficult to infer the direction of the relationship.

Fear of childbirth, a concept that is perhaps the antithesis of confidence for

childbirth, has been widely studied in Scandinavia and Australia but less so in the United

States. Roosevelt and Low conducted a descriptive qualitative study exploring the use of

the Wijma Delivery Expectancy Questionnaire within a US context. In addition to

identifying themes consistent with previous research, the authors found several new

themes. Women described fear of abandonment by their clinicians, which included not

feeling listened to or feeling rushed during visits. Fear of the cultural experience of

giving birth in the United States was also described, citing media that portray birth as

dramatic and scary.11 Roosevelt and Low’s study shares common themes with this

concept analysis. Situations in which a woman feels unsupported, does not feel listened

to, or is fearful because of dramatic portrayals of birth may lead to decreased confidence

for birth.

Saftner et al explored maternity care providers’ beliefs regarding care practices

that enhance maternal confidence for physiologic birth. They found that a trusted

relationship with a maternity care provider; women-centered care; knowledge and

education; and specific practices, such as greater time spent with patients, the midwifery

model of care, and encouragement and positive language, were believed to increase

confidence.47

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Clinical Implications

When cross comparisons were made between the attributes and antecedents of maternal

confidence for physiologic birth and the components of midwifery care, numerous

similarities were noted, as outlined in Table 3. Many of the characteristics align with

ACNM’s Hallmarks of Midwifery, which characterize the art and science of midwifery.48

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Table 3. Characteristics of maternal confidence for physiologic birth and related aspects of midwifery care Characteristics of Maternal Confidence for Physiologic Birth

ACNM Hallmarks of Midwifery48 ACNM Philosophy of Care49

Dimensions of Model of Exemplary Midwifery Care45

Belief that birth is a normal process

Hallmark A: “Recognition of menarche, pregnancy, birth, and menopause as normal physiologic and developmental processes”

“Watchful waiting and non-intervention in normal processes”

Belief in the normalcy of birth (Qualities and Traits/Dimension of Therapeutics)

Knowledge and information

Hallmark H: “Health promotion, disease prevention, and health education”

“Complete and accurate information to make informed health care decisions”

Provides thorough information and accurate education based on the woman’s needs (Processes/Dimension of Caring)

Experience “Acknowledges a person’s life experience and knowledge”

Feeling equipped or prepared

Hallmark E: “Empowerment of women as partners in health care”

The woman feels prepared for the birth or health care experience (Outcome/Dimension of Caring)

Support Hallmark F: “Facilitation of healthy family and interpersonal relationships”

“Involvement of a woman’s designated family members, to the extent desired, in all health care experiences”

Involves family as desired by the woman (Processes/Dimension of Caring)

Continuity of care Hallmark G: “Promotion of continuity of care” Provides continuity of care (Processes/Dimension of Therapeutics)

Shared decision making Hallmark K: “Advocacy for informed choice, shared decision-making, and the right to self-determination”

“Self-determination and active participation in health care decisions”

The woman and family are active participants in the health care or birth experience

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(Outcomes/Dimension of Caring)

Communication Hallmark N: “Skillful communication, guidance, and counseling”

“Therapeutic use of human presence and skillful communication”

Communication skill (Qualities and Traits/Dimension of Caring)

Trusted relationship with maternity care provider

“Promotes a continuous and compassionate partnership”

Trustworthy and reliable (Qualities and Traits/Dimension of Therapeutics)

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In addition, several characteristics of maternal confidence for physiologic labor and birth

correspond to ACNM’s Philosophy of Care.49 Maternity care providers equipped with the

skills and knowledge reflected in the Hallmarks of Midwifery and who ascribe to

ACNM’s Philosophy of Care may have increased capability to enhance care in ways that

promote women’s confidence for physiologic birth. Furthermore, many of these

characteristics were described as elements of exemplary midwifery in Kennedy’s

milestone Delphi study, including belief in the normalcy of birth, a trusted relationship

with a care provider, the woman’s experiences, knowledge and information,

communication, social support, continuity, shared decision making, and feeling confident

and equipped. Kennedy found that midwives assisted women in gaining confidence to

achieve their goals by respecting the uniqueness of women and their families and by

creating a setting that was respectful and reflected women’s needs.45

Recent publications have advocated for the creation of a “climate of confidence”

as opposed to a climate of fear for women giving birth. The consensus statement 2020

Vision for a High-Quality, High-Value Maternity Care System describes a climate of

confidence that is emphasized by prenatal care and education that empower women to

feel confident about birth care options; a confident, trusting relationship with a maternity

care provider; and the woman as an active and confident partner in her care.50 This

concept analysis of maternal confidence for physiologic birth expands this description of

a climate of confidence and has numerous implications for maternity care providers and

others who provide support and education for pregnant women. Understanding aspects of

maternal confidence at a deeper level may provide insight into the development of

prenatal care approaches that can support and empower women to improve confidence

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for physiologic birth. Women can be assessed for their motivation to birth

physiologically and encouraged to seek persons who share a similar philosophy to be a

part of their birth support team. Maternity care providers may be encouraged to create a

trusting partnership with women and to offer information and positive birth stories that

support the goal of physiologic birth. In addition, creating accessible care settings and

systems in which women feel respected and safe, incorporating women’s social support,

should be considered. Finally, new media and applications for smartphones can be used

to share positive birth stories, photos, and videos emphasizing the normalcy of labor and

birth.

Future Development of the Concept

This concept analysis provides an enhanced conceptual foundation for further study of

maternal confidence. In addition to field research, it may aid the development of a

clinical instrument to measure prenatal maternal confidence for physiologic birth. This

analysis provides insight into how women’s confidence for physiologic birth might be

enhanced during the prenatal period and even prior to pregnancy. An area for future

exploration may be how confidence extends into the postpartum period and parenting.

Finally, investigation of maternal confidence must be ongoing to further develop the

concept and related phenomena. In particular, further exploration of confidence for

physiologic birth across different cultures and backgrounds will help to identify cultural

differences in constructions of the concept.

Strengths and Limitations

This analysis has some strengths. The included studies represent many different

geographic locations, supporting generalizability. Additionally, clear themes were found

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among women, care providers, and childbirth educators, supporting the validity of the

analysis. There are some limitations to this concept analysis, however. Confining the

literature search to only scientific databases may have limited the breadth of the search.

In the future, examining other media, including blogs, websites, new media, and popular

literature, could lead to additional information important to understanding maternal

confidence. In addition, this investigation was limited to physiologic labor and birth.

Although concentrating the analysis on physiologic birth affords a more focused analysis,

it may limit generalizability to other types of birth, including cesarean birth.

CONCLUSION

This concept analysis clarifies and defines the concept of maternal confidence for

physiologic childbirth. In addition, this analysis advances the concept and illuminates

specific components related to physiologic birth and the environment in which it is

nurtured.

High rates of medical intervention and adverse outcomes occur too often for

laboring women, even in resource-rich countries such as the United States, where there is

little evidence to show that high rates of intervention lead to improved birth outcomes. In

recent years, there has been a revitalized interest in physiologic labor and birth; however,

little evidence exists as to how to enhance women’s confidence for this life event. This

concept analysis advances the concept of maternal confidence for physiologic labor and

birth and provides attributes, antecedents, and consequences of the concept. Further

clarification of maternal confidence has the potential to lay the groundwork for

developing approaches to prenatal care and birth preparation with the aim of increasing

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women’s confidence for physiologic labor and birth, thereby improving outcomes for

women and their infants.

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REFERENCES

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11. Roosevelt L, Low LK. Exploring fear of childbirth in the United States through a qualitative assessment of the Wijma Delivery Expectancy Questionnaire. J Obstet Gynecol Neonatal Nurs. 2016;45(1):28-38. 12. Dick-Read G. Childbirth Without Fear: The Principles and Practice of Natural Childbirth. 2nd ed. London: Pinter & Martin Ltd; 2013. 13. The cascade of intervention. Childbirth Connection website. http://www.childbirthconnection.org/maternity-care/cascade-ofintervention. Updated 2017. Accessed June 2, 2017. 14. Simpson KR, James DC. Effects of oxytocin-induced uterine hyperstimulation during labor on fetal oxygen status and fetal heart rate patterns. Am J Obstet Gynecol. 2008;199(1):34.e1-34.e5. 15. Crowe K, von Baeyer C. Predictors of a positive childbirth experience. Birth. 1989;16(2):59-63. 16. Lowe NK. Maternal confidence in coping with labor: a self-efficacy concept. J Obstet Gynecol Neonatal Nurs. 1991;20(6):457-463. 17. Browne J, O’Brien M, Taylor J, Bowman R, Davis D. ‘You’ve got it within you’: the political act of keeping a wellness focus in the antenatal time. Midwifery. 2014;30(4):420-426. 18. Attanasio LB, McPherson ME, Kozhimannil KB. Positive childbirth experiences in U.S. hospitals: a mixed methods analysis. Matern Child Health J. 2014;18(5):1280-1290. 19. Avery MD, Saftner MA, Larson B, Weinfurter EV. A systematic review of maternal confidence for physiologic birth: characteristics of prenatal care and confidence measurement. J Midwifery Womens Health. 2014;59(6):586-595. 20. Boston Women’s Health Book Collective. Our Bodies, Ourselves: Pregnancy and Birth. New York: Simon & Schuster; 2008. 21. Confidence. Oxford Dictionaries website. http://www. oxforddictionaries.com/us/definition/american_english/confidence. Accessed August 15, 2016. 22. Bandura A. Self-efficacy: toward a unifying theory of behavioral change. Psychol Rev. 1977;84(2):191-215. 23. Bandura A. Self-Efficacy: The Exercise of Control. New York: WH Freeman and Company; 1997.

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24. Rodgers BL. Concept analysis: an evolutionary view. In: Rodgers BL, Knafl KA, eds. Concept Development in Nursing: Foundations, Techniques, and Applications. 2nd ed. Philadelphia, PA: WB Saunders; 2000:77-102. 25. Edmonds JK, Cwiertniewicz T, Stoll K. Childbirth education prior to pregnancy? Survey findings of childbirth preferences and attitudes among young women. J Perinat Educ. 2015;24(2):93-101. 26. Grigg CP, Tracy SK, Schmied V, Daellenback R, Kensington M. Women’s birthplace decision-making, the role of confidence: part of the Evaluating Maternity Units study, New Zealand. Midwifery. 2015;31(6):597-605. 27. Lindgren H, Hildingsson I, Radestad, I. A Swedish interview study: ˚ parents’ assessment of risks in home births. Midwifery. 2006;22(1):15- 22. 28. Lothian JA. Back to the future: Trusting birth. J Perinat Neonatal Nurs. 2001;15(3):13-22. 29. Lothian JA. How do women who plan home birth prepare for childbirth? J Perinat Educ. 2010;19(3):62-67. 30. Catling-Paull C, Dalen H, Homer CS. Multiparous women’s confidence to have a publicly-funded homebirth: a qualitative study. Women Birth. 2011;24(3):122-128. 31. Brown CE. Women and their care providers: an exploration of knowledge, confidence and relationships in the context of childbearing and childbirth. Birth Issues. 1998;7(3):95-100. 32. Nolan ML, Hicks C. Aims, processes and problems of antenatal education as identified by three groups of childbirth teachers. Midwifery. 1997;13(4):179-188. http://www.sciencedirect.com/science/article/ pii/S0266613897800046 33. Stoll K, Hall W. Vicarious birth experiences and childbirth fear: does it matter how young Canadian women learn about birth?J Perinat Educ. 2013;22(4):226-233. 34. Luyben AG, Fleming VE. Women’s needs from antenatal care in three European countries. Midwifery. 2005;21(3):212-223. 35. Leap N, Sandall J, Buckland S, Huber U. Journey to confidence: women’s experiences of pain in labour and relational continuity of care. J Midwifery Womens Health. 2010;55(3):234-242. 36. Jeschke E, Ostermann T, Dippong N, Brauer D, Matthes H. Psychometric properties of the Confidence and Trust in Delivery Questionnaire (CTDQ): a pilot study. BMC Womens Health. 2012;12:26.

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37. Lagan BM, Sinclair M, Kernohan WG. Internet use in pregnancy informs women’s decision making: a web-based survey. Birth. 2010;37(2):106-115. 38. Martin T, Hauck Y, Fenwick J, Butt J, Wood J. Evaluation of a next birth after caesarean antenatal clinic on women’s birth intention and outcomes, knowledge, confidence, fear and perceptions of care. Evidence Based Midwifery. 2014;12(1):11-15. 39. Stoll K, Edmonds JK, Hall WA. Fear of childbirth and preference for cesarean delivery among young American women before childbirth: a survey study. Birth. 2015;42(3):270-276. 40. Howarth AM, Swain N, Treharne GJ. Taking personal responsibility for well-being increases satisfaction of first time mothers. J Health Pyschol. 2011;16(8):1221-1230. 41. Reiger K, Dempsey R. Performing birth in a culture of fear: an embodied crisis in late modernity. Health Sociol Rev. 2006;15(4): 364-73. 42. Dahlen HG, Barclay LM, Homer C. Preparing for the first birth: mothers’ experiences at home and in hospital in Australia. J Perinat Educ. 2008;17(4):21-32. 43. Gibbins J, Thomson AM. Women’s expectations and experiences of childbirth. Midwifery. 2001;17(4):302-313. 44. McCourt C, Stevens T. Continuity of carer: what does it mean and does it matter to midwives and birthing women? Can J Midwifery Res Pract. 2005;4(3):10-20. 45. Kennedy HP. A model of exemplary midwifery practice: results of a Delphi study. J Midwifery Womens Health. 2000;45(1):4-19 46. Hodnett ED. Pain and women’s satisfaction with the experience of childbirth: a systematic review. Am J Obstet Gynecol. 2002;186(suppl 5):S160-S172. 47. Saftner MA, Neerland C, Avery MD. Enhancing women’s confidence for physiologic birth: maternity care providers’ perspectives. Midwifery. 2017;53:28-34. 48. Hallmarks of midwifery. In: American College of Nurse-Midwives. Core Competencies for Basic Midwifery Practice. Silver Spring, MD: American College of Nurse-Midwives; December 2012:2.http://www.midwife.org/ACNM/files/ACNMLibraryData/ UPLOADFILENAME/000000000050/Core%20Comptencies%20Dec %202012.pdf. Accessed June 2, 2017. 49. Our philosophy of care. American College of Nurse-Midwives website. http://www.midwife.org/Our-Philosophy-of-Care. Accessed June 2, 2017.

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50. Carter MC, Corry M, Delbanco S, et al; Transforming Maternity Care Vision Team. 2020 vision for a high-quality, high-value maternity care system. Womens Health Issues. 2010;20(suppl 1): S7-S17.

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Chapter 3

Maternal Confidence for Physiologic Birth: Instrument Development and Testing

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Although pregnancy, labor, and birth are normal physiological processes, US

women experience numerous medical interventions in labor and birth including induction

of labor, epidural analgesia, and cesarean birth (Declercq et al., 2013). More is spent on

maternity care in the US than in any other developed country, however, outcomes have

not improved (Truven Health Analytics, 2013). Research and care practices regarding

supporting physiologic labor and birth have re-emerged in recent decades (Avery et al.,

2014). Physiologic labor and birth have been shown to incur numerous benefits for the

mother and infant including (but not limited to) faster recovery for the mother, enhanced

breastfeeding, and less respiratory distress (Moore et al., 2016; Levine et al., 2001; Prior

et al., 2012). Physiologic labor and birth has been defined by the American College of

Nurse-Midwives (ACNM), the Midwives Association of North America (MANA), and

the National Association of Certified Professional Midwives (NACPM) as “…one that is

powered by the innate capacity of the woman and fetus.” Further, it is

…characterized by spontaneous onset and progression of labor; includes

biological and psychological conditions that promote effective labor; results in the

vaginal birth of the infant and placenta; results in physiological blood loss;

facilitates optimal newborn transition through skin-to-skin contact and keeping

the mother and infant together during the postpartum period; and supports early

initiation of breastfeeding (ACNM, 2012).

Maternal confidence for childbirth has been associated with decreased pain in

labor (Crowe & von Baeyer, 1989; Lowe, 1991), decreased anxiety (Browne et al., 2014),

and enhanced birth experiences and satisfaction (Attanasio et al., 2014). At present, very

little research exists on the subject of maternal confidence to achieve physiologic birth

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(Avery et al., 2014). In a recent systematic review, Avery et al. (2014) examined the

subject of prenatal care approaches and the development of confidence and found only

six articles that met the authors’ inclusion criteria, three qualitative studies and three

instrument development studies. However, little is known about how to increase

women’s confidence and help them to prepare for prepare for physiologic labor and birth.

In addition, it is unknown whether prenatal classes provide the education that women

need to achieve a more physiologic birth (Gagnon & Sandall, 2007; Ferguson et al.,

2013).

Numerous instruments have been developed to measure self-efficacy, and to a

lesser extent confidence for labor, but are not specific to physiologic childbirth. In

addition, the instruments that have been developed were created for use in research and

not for use by clinicians (Avery et al., 2014). Further, no instrument development study

has addressed confidence as a construct distinct from self-efficacy or established a

theoretical model of maternal confidence for physiologic labor and birth. Most of the

existing instruments measure confidence or self-efficacy during labor or postpartum and

do not address how confidence might be enhanced prenatally. Finally, the existing

instruments also suffer from gaps including homogeneity and lack of representativeness.

The majority of the study participants were white, married or partnered, with high levels

of education and income. In addition, many were recruited from childbirth education

courses, which may introduce bias as those who enroll in childbirth education may be

different than those who do not. Therefore, the purpose of this study was to develop and

test a valid and reliable instrument to measure women’s prenatal confidence to achieve

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physiologic birth. An additional aim is to investigate how women’s confidence might be

enhanced.

Preliminary Model for Confidence for Physiologic Birth

In a previous systematic review on maternal confidence for physiologic birth,

Perry’s definition of confidence defined as “the belief in one’s own abilities and ability to

succeed”, was utilized (Avery, Saftner, Larson, & Weinfurter, 2014; Perry, 2011).

Bandura’s self-efficacy theory has commonly been used in relationship to childbirth.

Lowe defined confidence to cope with labor, framed by Bandura’s theory, as the

woman’s belief that she is capable of performing specific coping behaviors during labor

and birth (Bandura, 1977; Lowe, 1991). Although confidence and self-efficacy are related

constructs and are often used interchangeably, Bandura made a distinction between the

two terms, stating that confidence is a less specific term that refers to the strength of

belief but does not specify what the belief is about (1997). Confidence is a broader term,

encompassing belief in abilities and personal qualities, while self-efficacy is a more

specific belief in ability to perform behaviors that will lead to a desired outcome.

Because confidence for birth had not been defined previously, nor specifically in

relationship to physiologic birth, an in-depth concept analysis of maternal confidence for

physiologic childbirth was performed (Neerland, 2018). Utilizing Rodgers’ evolutionary

method, 24 articles were analyzed and the attributes, antecedents, and consequences of

maternal confidence for physiologic birth were identified. The attributes include: the

belief that labor and birth are a normal process, confidence in one’s own innate ability to

birth, past experience, and knowledge and information.

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Figure 1. Derivation of Six Domains of Maternal Confidence for Physiologic Birth Six Domains of Confidence for Physiologic Birth Uncertainty Knowledge/Information/Experience Confidence in Body’s Ability to Birth Support Trusted Relationship with Provider Confidence in System/Place of Birth

Themes on Confidence for Phys. Birtha

Confidence in the face of uncertainty Belief in the normalcy of birth Research on my own Supportive care partnership On the same page Sources of information and support Attributes of Confidence for Phys. Birthb

Innate confidence in women’s ability to birth Belief in childbirth as a normal process Knowledge/information Past experience Antecedents of Confidence for Phys. Birthb Uncertainty Feeling equipped Communication Trusted relationship with a provider Continuity Shared decision-making Confidence in place for birth Support Sources of information Birth stories

a(Avery et al., 2014) b(Neerland, 2018)

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To develop the preliminary model for maternal confidence for physiologic birth,

the attributes and antecedents of confidence for physiologic birth were cross-compared

with the major themes from a recent qualitative study of 14 women who had experienced

physiologic birth (Figure 1.) (Avery, Neerland, & Saftner, in press). Based on the cross-

comparison and evaluation, six domains were identified to develop a preliminary model:

uncertainty, knowledge/information/experience, confidence in the body’s ability to birth,

support, trusted relationship with a provider, and confidence in the system or place of

birth (Figure 2.)

Figure 2. Preliminary Model of Maternal Prenatal Confidence for Physiologic Birth

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Methods

Study Design

The Preparation for Labor and Birth (P-LAB) study was a multi-phased

instrument development design (Figure 3). The five phases included: 1) item

development and instrument design 2) expert panel review and cognitive interviews 3)

instrument testing (field study) 4) item analysis and psychometric testing and 5)

reconceptualization of the model. In phase one, qualitative data from a study on women’s

confidence for physiologic birth were analyzed (Avery et al., in press). In addition, an in-

depth literature review and concept analysis on confidence for physiologic birth was

completed (Neerland, 2018). Dominant themes were extracted and utilized to develop an

initial model for maternal confidence for physiologic birth, content domain, and item

development (Figure 2). A panel of ten experts reviewed the items using a content

validity tool in phase two and items were modified based on recommendations. Also, in

phase two, eight women who met study inclusion criteria completed the instrument and

participated in cognitive interviews for an initial assessment of clarity and errors. The

items were administered to a large sample of participants for the field study in phase

three. In the fourth phase, exploratory factor analysis and psychometric testing were

performed for evaluation of the items. Finally, in phase five, the model for confidence for

physiologic birth was revised.

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Figure 3. Preparation for Labor and Birth (P-LAB) Instrument Phases of Development Phase 1

Phase 2 Phase 3 Phase 4

Concept Analysis of Maternal Confidence for Physiologic Birth gig Birth

Previous Qualitative Study Maternal Confidence for Physiologic Birth

Attributes & Antecedents

Identified

Major Themes Extracted

6 Domains 24 Items

Content Validity Index

Cognitive Interviews

25 Items

P-LAB Administration (Field Study)

Item Analysis 22 Items

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Phase 5 Ethical Considerations

Institutional Review Board (IRB) approval for this study was granted by the

University of Minnesota Human Research Protection Program. In addition, IRB approval

was granted by two large health care organizations in which the study also took place.

Setting and Participants

The setting included five prenatal clinic sites in Minnesota and Western

Wisconsin: two diverse urban clinic sites in the Minneapolis-St. Paul metropolitan area

including one Federally Qualified Health Center (FQHC), one clinic site in an outstate

urban area in Minnesota, and two sites in rural Western Wisconsin. These sites were

chosen to incorporate more geographic representation and to include a variety of provider

types including obstetricians, nurse-midwives, nurse practitioners, and family medicine

physicians. In addition, sampling from multiple sites in different areas allowed for greater

Psychometric Testing

Construct Validity (Exploratory Factor Analysis, Correlation with SOC-13 Scale, Hypothesis Testing)

Reliability (Internal Consistency, Test-Retest Reliability)

Model Reconceptualization

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heterogeneity within the sample including racial, marital, education, and income

diversity.

The aim for sample size for this study was 200 participants. DeVellis (2012) notes

that a sample size of 200 is adequate in most cases of ordinary factor analysis that involve

no more than 40 items. This is also consistent with Lynn who recommends a sample size

of 200-300 (Lynn, class communication, July 16, 2015) and Sapnas and Zeller (2002)

who conclude that a sample of 50 participants is inadequate, while a sample of 100

participants is adequate, and a sample size of 250 or more is excessive.

The following were criteria for inclusion in the P-LAB study: English-speaking

pregnant women, age 18 and older, intending to have a vaginal birth, and between 34+0

and 38+6 weeks gestation at recruitment. The sample included both nulliparous and

parous women.

Procedures

Phases 1 and 2: Item development and instrument design, expert panel

review, and cognitive interviews.

Twenty-four original items were generated for the P-LAB instrument based on the

preliminary model of prenatal confidence for physiologic birth. The items written in five-

point Likert format (strongly disagree to strongly agree).

A content validity index (CVI) (Lynn, 1986) was used to measure the relevance,

clarity, and conciseness of the items and the overall content validity of the instrument. A

panel of ten experts including practicing obstetricians and certified nurse-midwives,

family medicine physician, PhD prepared midwives, and women who had recently

experienced childbirth rated the P-LAB items using the following scale: 1 = Not relevant,

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2 = Unable to assess or in need of so much revision that it would no longer be relevant, 3

= Relevant but needs minor revision, and 4 = Very relevant and succinct. Experts were

also invited to write suggestions for item revision.

Cognitive interviews were used to evaluate participants’ understanding of

instrument items (Knafl et al., 2007). Early in the recruitment process, a small sub-

sample of eight women completed cognitive interviews regarding their interpretation of

the instrument items. Women were informed of the opportunity to participate in the

interviews through flyers posted in the participating clinics and contacted the researcher

by telephone. Those who completed the interview received a $25 gift card.

Phase 3: Field study.

Data were collected via self-administered paper and pencil questionnaire

formatted in the Dillman Tailored Method (Dillman, 2014). A paper and pencil

questionnaire was utilized to increase confidentiality for participants. Once women

agreed to participate in the study and verbal informed consent was obtained, they

received the study packet which included an informational cover letter and two

questionnaire booklets. In addition to the confidence items, the questionnaire booklet

contained Antonovsky’s Sense of Coherence Scale (SOC-13) and demographic items.

Women were asked to complete the first questionnaire right away, either in clinic or at

home, and to complete the second questionnaire one week later. A one-week time period

was chosen for test-retest reliability because pregnancy is approximately 40 weeks and so

there is a limited time frame in which to test. Moreover, confidence is thought to be a

dynamic construct (Perry, 2011). Two self-addressed stamped envelopes were included in

the packet for confidentiality and ease of mailing the questionnaires back to the

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researcher immediately upon completion. Upon receipt of the questionnaires, the

women’s demographic data and responses were logged in a secure database. Women who

completed all aspects of the study were entered in a random drawing to win one of five

$25 gift cards.

Phase 4: Item analysis and psychometric testing.

Descriptive statistics were used to analyze demographic data, individual

instrument items, and summative scores. Independent variables included age, education

level, marital status, race/ethnicity, household income level, health insurance coverage,

US born or not, number of viable pregnancy, type of prenatal care provider, and date of

most recent birth. Other information elicited included: main source of pregnancy and

childbirth information, planned use of a doula, and participation in formal childbirth

education courses.

Psychometric testing was performed on the instrument. Reliability was evaluated

by both internal consistency and test-retest reliability. Internal consistency was measured

using Cronbach’s Coefficient alpha. Test-retest reliability to assess stability of the

instrument was measured using intra class correlation (ICC) between the initial measure

and measurement one week after the initial assessment. Validity assessment included

content validity, face validity, and construct validity. Content validity was measured

using a content validity index (CVI) tool and rating of relevance by maternity care

experts and women who had recently experienced physiologic birth. Construct validity

was measured utilizing exploratory factor analysis as well as correlation with the Sense

of Coherence Scale. Antonovksy’s Sense of Coherence 13 (SOC-13) scale was used in

the assessment of convergent validity of the P-LAB questionnaire. It was hypothesized

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that confidence for physiologic childbirth would be related to sense of coherence, defined

by Antonovsky as “a global orientation that expresses the extent to which one has a

pervasive, enduring though dynamic feeling of confidence as well as a means of

identifying one’s own internal and external resources in a way that promotes health and

well-being” (Erikkson, 2016).

Phase 5: Reconceptualization of the Model

After exploratory factor analysis was performed, the model was reconceptualized

based on the analysis. Reconceptualization of the model is described in results.

Results

Phases 1 and 2: Content Validity and Cognitive Interviews

Content validity index.

Based on expert scoring and recommendations, one item was removed, 18 items

were revised, and two items were added resulting in a 25-item questionnaire. CVI scores

for the total instrument and for each item were calculated. Each item that was retained

scored ≥ 0.8 and the total questionnaire CVI was 0.95.

Cognitive interviews.

Eight participants who met study inclusion and who had completed the

questionnaire agreed to participate in the individual cognitive interviews. Seven women

had previously given birth, and one was pregnant for the first time. Five women self-

identified as white, one as Asian, one as black, and one as Hispanic. The seven women

who had previously given birth experienced vaginal births. Three women had

experienced physiologic childbirth as defined above; four had used epidural anesthesia.

Interviews lasted between 30 and 60 minutes. Verbal probing was used to assess

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women’s interpretation of the items and to evaluate item clarity while extensive notes

were taken.

Based on the women’s feedback, no significant changes were made to the

wording of the items. However, for questions related to pain medication, several women

suggested including a list of medication options, which was added. The Flesch-Kincaid

reading level for the entire questionnaire was a 7th grade reading level and women

estimated that it took them between 10 and 15 minutes to complete.

Phases 3 and 4: Field Study Results and Psychometric Testing

Participant demographic data.

A total of 206 women completed the P-LAB questionnaire out of 325 packets that

were distributed (63.4%) of whom 203 (98.5%) provided responses on all items (Table

1). Participants ranged in age from 18 to 41, with a mean age of 30 (± 4.3) years. Half of

the participants (52%) were pregnant with their first baby, 33% were pregnant with their

second baby, and 12% were pregnant with their third baby. Most participants had

completed college or graduate school (76%), while 11% had completed some college, 7%

completed high school or GED, and 3% had completed technical school. A majority of

participants were married (83%), 8% were living with a committed partner, and 7% were

single. Most participants self-identified as white (77 %); 10% identified as Asian/Pacific

Islander, 5% black, 4% as Hispanic/Latino, and 1% Native American. A majority of

participants (79%) had private insurance; 18% were insured by Medicaid.

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Table 1. Participant Demographic Data Mean age (sd) Age range 18-41

(n = 204) 30 ± (4.3)

Birth Number 1 2 3 4 or more

(n = 204) 106 (52%) 68 (33%) 24 (12%) 6 (3%)

Education Less than 12th Grade Graduated High School or GED Completed Technical School Some College Graduated from College Some Graduate School Graduate Degree

(n = 203) 3 (2%) 14 (7%) 7 (3%) 22 (11%) 78 (38%) 11 (5%) 68 (34%)

Marital Status Currently Married Married, separated Single, Never Married Living with Committed Partner Divorced Widowed

(n = 203) 171 (84%) -- 15 (7%) 17 (8%) -- --

Race/Ethnicity African American/Black Asian/Pacific Islander Hispanic/Latino Native American/Alaskan Native White Other

(n = 203) 10 (5%) 21 (10%) 9 (4%) 2 (1%) 158 (78%) 3 (2%)

Annual Household Income Level < $25,000 $25,001 - $35,000 $35,001 - $50,000 $50,001 - $70,000 $70,001 - $100,000 $100,001 or more

(n = 198) 17 (9%) 13 (7%) 27 (14%) 26 (13%) 51 (26%) 64 (32%)

Insurance Employer or Self-pay

(n = 201) 163 (81%)

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Medicaid 38 (19%) Provider type Physician Nurse-Midwife Nurse Practitioner Not sure or other

(n=206) 49 (24%) 143 (69%) 9 (4%) 5 (2%)

Psychometric testing.

Exploratory factor analysis.

Exploratory factor analysis (EFA) was performed on the 25-item P-LAB

questionnaire utilizing Maximum Likelihood extraction method and oblique (Direct

Oblimin) rotation to allow for correlations among factors. The Kaiser-Meyer-Olkin

measure (KMO) of sampling adequacy was used to evaluate the degree of common

variance among the 25 items. The KMO of 0.80 was meritorious and suggested that the

extracted factors will account for a fair amount of variance. One item cross-loaded on

multiple factors and was removed. In addition, two items with low loadings (< 0.32)

(Tabachnik & Fidell, 2001) were identified and also removed. The EFA was conducted

again using the remaining 22 items. As suggested by an initial scree plot, models with

three, four and five factors were fit (Figure 4). The model with four factors was found to

have the best overall fit based on combined evidence from the scree test, smallest

Schwarz’s Bayesian Criterion value of -534.03, the overall root mean square residuals

(RMSR) of 0.05 and the factor structure with item loadings above 0.32, no cross-loadings

or factors with less than three items. The four extracted factors are shown in Table 2.

Factor one (based on four items) related to the planned use or non-use of pain medication

and explained 64% of the variance. Factor two included six items related to a trusted

relationship with the care provider and environment and explained 20% of the variance.

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Factor three (based on four items), relating to fear or confidence for childbirth, explained

8.6% of the variance. Factor four (including five items) regarding support explained 7.6%

of the variance. The final tool included 22 items with possible scores ranging from 0 to

110, with higher scores indicating higher confidence.

Reliability.

Internal consistency reliability.

The total scores of 22-item P-LAB questionnaire had mean (SD) of 86 (8.7) and

ranged from 62 to 108. This range indicates the sample had moderately high to high

confidence scores. Cronbach’s coefficient alpha for the entire questionnaire was 0.81,

while Cronbach’s coefficients alpha for the four extracted factors were 0.93, 0.76, 0.73

and 0.74, accordingly, suggesting respectable internal consistency reliability of the

instrument (DeVellis, 2012).

Figure 4. Scree plot and variance explained

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Table 2. Item Analysis and Exploratory Factor Analysis with Oblimin Rotation Item Factor

1 2 3 4 It is important to me to use medication in labor for pain reliefa

I feel prepared to give birth without the use of pain medication I plan to give birth with the use of pain medicationa

It is important to me to experience childbirth without any pain medication

.89 .76 .95 .87

My prenatal care provider(s) discuss(es) options and choices with me I do not feel that I have enough information about the childbirth processa My prenatal care provider communicates with me in an honest and respectful manner I know my own preferences for labor and birth My prenatal care provider addresses my needs during prenatal visits My birth will take place in a calm, supportive environment

.70 .47 .62 .41 .73 .43

When I think about labor and birth, I am fearfula

Negative birth stories from others have made me more fearful about birtha

I am confident that I will be able to cope with labor pain I wish I were better prepared for labor and birtha

.77 .61 .56 .60

I feel comfortable with where I will give birth I will have the support that I need from my partner, doula, or other support person(s) in labor. I trust that my prenatal care provider(s) will respect my preferences in labor My support person(s) (partner, doula, or other) is/are supportive of my childbirth preferences. I am receiving the right amount of emotional support from my partner, doula, or other labor support person(s)

.67 .77 .62 .40 .45

Note: Factor 1 = Planned Use of Pain Medication; Factor 2 = Trusted Relationship with Care Provider and Care Environment; Factor 3 = Fear/Confidence; Factor 4 = Support (Partner, Provider, Environment) aReverse-scored

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Test-retest reliability.

Study participants completed the questionnaire twice, one week apart. At the

“test” time, 203 questionnaires were completed while 139 questionnaires were returned at

the “re-test” time resulting in 68% response rate. Intra-class correlation coefficient (ICC)

based on a two-way mixed effects model using absolute agreement definition was used to

assess the test-retest reliability of the entire questionnaire and of the four extracted factors

over time. ICC≥0.7 was considered acceptable level of test-retest reliability. ICC (95%

CI) for the total questionnaire was 0.92 (0.88, 0.94). The ICC (95% CI)s for the extracted

factors are shown in Table 3.

Table 3. One week test-retest reliability using Intraclass correlation (ICC) for the four extracted factors, n = 203 Scale ICC (95% CI) Total Score 0.92 (0.88,0.94) Factor 1 0.98 (0.97,0.98) Factor 2 0.81 (0.74,0.86) Factor 3 0.92 (0.89,0.94) Factor 4 0.52 (0.33,0.66)

Convergent validity.

Pearson’s correlation of at least 0.4 was set a priori as evidence for convergent

validity. We did not observe a visual linear relationship between the P-LAB and SOC-13

scores and the Pearson’s correlation coefficient of 0.22 was inconclusive in providing

evidence for convergent validity.

Phase 5: Reconceptualization of Model for Maternal Confidence for Physiologic

Birth

Based on the initial proposed model of prenatal confidence for physiologic birth,

it was hypothesized that six factors explained maternal confidence for physiologic

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childbirth (uncertainty, knowledge/information/experience, confidence in the body’s

ability to birth, support, trusted relationship with provider, and confidence in

system/place of birth). However, four factors were identified and the labels were revised

to planned use of pain medication, trusted relationship with care provider and care

environment, confidence or fear for childbirth, and support (partner, provider,

environment). These four factors remain closely aligned with the hypothesized domains

due to the thorough conceptual and methodological processes that contributed to the

development of the P-LAB. The model was therefore revised to reflect the four-factor

model (Figure 5).

Figure 5. Reconceptualized Model of Confidence for Physiologic Birth

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Planned use of pain medication.

Seven items were developed for the domain confidence in the body’s ability to

birth and four of those questions were related to pain medication. These four items

factored very closely together and three of the items did not factor. Therefore, this factor

was relabeled planned use of pain medication. Women often equate “normal” or

physiologic birth with the use or non-use of medication. Intention to use medication in

labor (or not) may be seen as a proxy for the desire for physiologic birth. In a systematic

review examining women’s expectations and experience with pain relief in labor, Lally et

al. (2008) found that many women may hope for a medication free labor, however, they

may have unrealistic expectations about labor pain. The researchers identified a gap

between the expectation and experience of pain relief. The P-LAB can be used to assess

intention to use or not use medication in labor as well as confidence to birth without the

use of medication. Therefore, the P-LAB may assist in facilitating prenatal care

providers’ discussion regarding realistic expectations of labor pain and pain relief.

Trusted relationship with care provider and care environment.

Five items were developed for the domain of trusted relationship with care

provider and three items factored as hypothesized. Additionally, one of two items written

for the domain confidence in system/place of birth, factored with this group (“My birth

will take place in a calm, supportive environment”). Subsequently, the factor was

relabeled as trusted relationship with care provider and care environment. In a

qualitative study on quality prenatal care, Sword et al. (2012) identified the importance of

a meaningful and trusted relationship with a prenatal care provider as the main

underlying theme. Four themes related to provider characteristics that facilitated the

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provider-patient relationship as desired by African American women were identified by

Lori et al. (2011): demonstrating quality patient-provider communication, providing

continuity of care, treating the women with respect, and delivering compassionate care.

The P-LAB instrument can be utilized to measure women’s level of confidence with their

care provider including the aspects of trust, communication, and respect. Subsequently,

the provider relationship may be used to enhance confidence through targeted

interventions incorporating respectful communication and a woman-centered approach.

The space in which a woman gives birth is also associated with confidence. Birth

setting design and environment that is suboptimal can contribute to the stress of the

woman and provider and to poor communication (Hammond et al., 2013). Hodnett

(2002) found that women prefer to be cared for in comfortable, home-like settings.

Foureur et al. (2010) proposed a model for birth unit design that included the components

of communication with women, communication with staff, women’s stress and staff

stress. The authors hypothesize that birth unit design elements may alter stress and

communication patterns and ultimately the woman’s experience of a satisfying and safe

birth (Foureur et al., 2010). Examination of the birth environment and how it could be

utilized to improve confidence is an exciting area for future study.

Fear or confidence for childbirth.

Women often express uncertainty about labor and birth and how the process will

unfold. Two of the three items hypothesized to factor in the domain uncertainty did so. In

addition, two items hypothesized to factor under different domains (“Negative birth

stories from others have made me more fearful about birth” and “I am confident that I

will be able to cope with labor pain”) also factored under this grouping, therefore this

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factor was relabeled fear or confidence for childbirth. Fear of childbirth has been gaining

more recent attention in the U.S. (Roosevelt and Low, 2016). The overall worldwide

prevalence of fear of childbirth has been estimated at 14% and has increased over the past

two decades (since 2000). Higher levels of fear are associated with more negative birth

experiences and risk for cesarean birth (Haines et al., 2012). Conversely, confidence has

been associated with numerous positive consequences including (but not limited to)

feeling prepared, decreased pain, increased satisfaction and positive birth experiences,

and empowerment after the birth (Neerland, 2018). Targeted interventions for those with

fear of childbirth should be developed and tested within the US. Women identified as

confident using the P-LAB instrument and without risk factors could be could be offered

home or birth center for birth settings if available.

Support (partner, provider, environment).

Three items were developed for the domain of support, and factored under

support as anticipated, therefore the label for the factor was retained. Support, both

professional and social, leads to more satisfying prenatal and birth experiences for

women and improved outcomes for women and infants. Support from families, partners,

and providers has been associated with numerous positive effects including faster labor,

higher Apgar scores, decreased stress, decreased depressive symptoms, and strengthening

of the couple relationship (Collins et al., 1993; Razurel, 2017; Bäckström, 2018). The P-

LAB can be used to assess social and professional support, including perceived support in

pregnancy and anticipated support in labor. Women with lower social and professional

support and confidence scores may benefit from interventions to enhance support. The P-

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LAB instrument can then be utilized to assess the success of the support interventions in

improving confidence for physiologic birth.

Discussion

The primary purpose of this study was to develop and test the psychometric

properties of a clinical tool, the P-LAB, to measure prenatal maternal confidence for

physiologic birth. The overall goal was to design a valid and reliable instrument to

identify areas where a woman’s confidence might be improved prenatally. This was a

five-phased study, which included: item development and instrument design, expert panel

review and cognitive interviews, field study, and psychometric testing, and

reconceptualization of the model for confidence for physiologic birth.

Exploratory findings demonstrate that the P-LAB instrument exhibits beginning

validity and reliability in the measurement of women’s confidence for physiologic birth

in the prenatal period. The instrument exhibited good content validity with item CVI

scores ≥ 0.8 and total instrument CVI = 0.95. Exploratory factor analysis identified four

factors for the P-LAB and the number of items was reduced from 25 to 22, improving

ease of use. The P-LAB also demonstrated good internal consistency, with the coefficient

alpha for the entire instrument = 0.81. Three factors demonstrated adequate internal

consistency, while one factor was excellent. The high value of the Cronbach’s alpha for

factor one may indicate some redundancy that may need to be addressed in the future.

The P-LAB also showed a good-to-very good level of test-retest reliability for the total

score and for factors one, two and three. The test-retest reliability was poor-to-fair for

factor four (Support) which may be a result of the observed low variability in

participants’ scores for that factor. This could also be a result of a changing clinical

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picture toward the end of pregnancy that may affect a woman’s perceived level of

support.

Limitations

There are several limitations to this study. Although the sample size was

considered adequate for EFA, the study would have been more robust with a larger

number of participants. We aimed for a highly diverse sample, recruiting women from

five different prenatal clinics, however, the sample was quite homogeneous with a large

number of women who were highly educated and who had high household incomes. A

large number of women identified as white, however, the racial and ethnic demographics

are very similar to the overall population in both states. The homogeneity limits

generalizability of the instrument and further study is needed in a more diverse sample. In

addition, a large number of women were cared for prenatally by nurse-midwives, which

might also impact generalizability.

Antonovsky’s Theory of Salutogenesis and Sense of Coherence scale have been

increasingly used in research relating to pregnancy and childbirth. Recent studies have

identified that high SOC scores were protective and predictive of uncomplicated delivery

and that women were less likely to experience cesarean birth and more likely to

experience vaginal birth (Oz et al., 2009; Ferguson et al., 2016). Conversely, Hildingsson

et al. (2017) found that SOC was not stable during pregnancy, was associated with

demographic characteristics and emotional well-being, however the scale was not

associated with labor outcomes. The relationship between SOC-13 and P-LAB was

inconclusive. More research is needed to examine women’s SOC and confidence for

physiologic birth and birth outcomes. Further, more evidence of convergent-discriminant

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validity regarding the P-LAB instrument is needed. Lowe’s Childbirth Self-efficacy

Inventory (CBSEI) (1993) may be considered for convergent validity, while the Wijma

Delivery Expectancy/Experience Questionnaire (WDEQ) (Wijma, Wijma, & Zar, 2002),

which measures fear of childbirth, may be used for evaluation of discriminant validity.

Conclusion

The P-LAB instrument is a potentially clinically useful instrument to measure

maternal confidence for physiologic birth in the prenatal period. The P-LAB

demonstrates good internal consistency for the entire instrument as well as for the four

factors. Test-retest reliability was also very good. Validity of the P-LAB was supported

by very excellent content validity scores; however, construct validity was not as robust as

hypothesized limiting overall validity. More testing is needed for construct validity

specific to convergent and discriminant validity. In addition, in the future the instrument

must be tested in a more racially diverse sample.

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Chapter 4

Maternal Confidence for Physiologic Birth: Confidence and Associated Outcomes

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Pregnancy, labor, and birth are normal processes that encompass dynamic

physical, psycho-emotional, cultural, and social changes in the context of the woman’s

environment. Physiologic labor and birth have gained increased recent attention (World

Health Organization, 2018; International Confederation of Midwives, 2014) and research

has demonstrated numerous positive outcomes for mothers and infants. Most women also

desire physiologic labor and birth (Downe, 2018). Physiologic birth has been defined as

one that is “…powered by the innate human capacity of the woman and fetus”(ACNM,

2012). Further, it is “1) characterized spontaneous onset and progression of labor; 2)

includes biological and psychological conditions that promote effective labor; 3) results

in a vaginal birth of infant and the placenta; 4) results in physiologic blood loss; 5)

facilitates optimal newborn transition through skin-to-skin contact and keeping the

mother and infant together during the postpartum period; and 6) supports early initiation

of breastfeeding” (ACNM, 2012).

Maternal confidence for physiologic birth has recently been defined as:

a woman’s belief that physiologic birth can be achieved, based on her view of

birth as a normal process and her belief in her body’s innate ability to birth, which

is supported by social support, knowledge, and information founded on a trusted

relationship with a maternity care provider in an environment where the woman

feels safe (Neerland, 2018).

Defining attributes of maternal confidence for physiologic birth include: the belief that

childbirth is a normal process, confidence in the innate ability to birth, experiences with

birth, and knowledge and information (Neerland, 2018).

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During pregnancy, women often seek to become more confident for the labor and

birth process by preparing through discussions with their providers or with friends and

family, by taking childbirth education courses, and through other sources such as books

and Internet sites. Maternal confidence for birth has been associated with positive

outcomes such as decreased pain in labor, decreased anxiety, and greater satisfaction with

childbirth experiences (Crowe & von Baeyer, 1989; Lowe, 1991; Browne et al., 2014;

Attanasio et al., 2014). In addition, confidence has been shown to increase over the

course of pregnancy in women having their first baby (Kish, 2003). Research is limited,

however, regarding how providers might enhance confidence for physiologic birth in the

prenatal period (Avery, Saftner, Larson, & Weinfurter, 2014). Further, few quantitative

studies exist regarding prenatal maternal confidence for labor and associated labor and

birth outcomes.

Researchers have more often explored the construct self-efficacy for coping in the

intrapartum period and associated characteristics such as pain, suffering, and satisfaction

(Tilden et al., 2016). Manning and Wright (1983) were the first to examine self-efficacy

and women’s ability to labor without the use of pain medication. The researchers found

that self-efficacy predicted persistence to labor without pain medication. Limitations

included high attrition rate and self-reported length of labor. Lowe conducted formative

work in the area of childbirth self-efficacy. In her first study on maternal confidence

(1989), the researcher found that confidence, childbirth preparation, and frequency of

contractions contributed significantly to the explanation of the variance in labor pain.

Further, confidence to cope with labor was the most significant variable, explaining 34%

of the variance in pain. Although a robust study, the sample lacked racial diversity among

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participants. Neither study provided descriptive statistics regarding provider type nor

mode of birth.

A recent integrative review on the effect of childbirth self-efficacy on perinatal

outcomes identified that prenatal interventions to improve self-efficacy were positively

associated with increased antenatal self-efficacy, increased childbirth self-efficacy was

associated with increased coping and lower childbirth pain and suffering, and preliminary

research demonstrates that childbirth self-efficacy is associated with positive parenting

outcomes (Tilden, Caughey, Lee, & Emeis, 2016). Some studies included in the review

did examine childbirth satisfaction, intention to use non-pharmacologic coping methods,

and intention to attempt vaginal birth after cesarean. However, the authors did not

specifically address whether these studies examined provider type, mode of birth, or use

of pain medication in labor.

There is a paucity of research to guide clinicians prenatally to help women

enhance confidence for physiologic birth (Avery et al., 2014). In a systematic review,

Avery et al. (2014) examined the subject of prenatal care approaches and the

enhancement of confidence. In addition, instruments have been developed on confidence

for birth, however, gaps exist including homogeneity and lack of representativeness

regarding racial diversity, issues with timing of instrument administration, recruitment

from childbirth education courses, design for research versus clinical use, and lack of

specificity for physiologic childbirth (Neerland, in preparation). Furthermore, the

quantitative studies on confidence often fail to include labor and birth outcomes including

provider type, birth mode, or other interventions. Consequently, an examination of

prenatal maternal confidence for physiologic birth and associated outcomes is needed.

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Little is known about maternal confidence specific to physiologic birth and

associated prenatal characteristics and birth outcomes such as source of labor and birth

information, provider type, mode of birth, and use of pain medication in labor. In order

for clinicians and researchers to better understand how confidence for physiologic birth

might be augmented, it is important to examine how prenatal characteristics and labor

and birth outcomes are related to confidence. Therefore, the purpose of this study was to

examine maternal confidence for physiologic birth and associated prenatal characteristics

and birth outcomes.

Methods

Study Design

This field study was completed as part of a multi-phased instrument development

study, the Preparation for Labor and Birth (P-LAB) study. The P-LAB is a 22-item

instrument to measure prenatal maternal confidence for physiologic birth (Neerland, in

preparation). P-LAB scores range from 0 to 110 with a higher score indicating higher

confidence. As part of the field study phase, the P-LAB questionnaire was administered

to a large sample of women (N = 206). Women were asked at the end of the questionnaire

if they would be willing to participate in a postpartum phone call between four and six

weeks after their birth to discuss their labor and birth experience. Variables included

gestational age at delivery, type of labor (spontaneous, induced augmented), type of

provider in labor, source of labor support, use of pain medication, and mode of birth

(Table 1). These variables were chosen because they are important clinical outcomes that

appeared to be deficient in the literature. In addition, these variables are easy for women

to self-report as this study did not include a chart review.

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Table 1. Postpartum Telephone Interview Questions 1. What was the date of your baby's birth?

2. How many weeks pregnant were you at the time of your delivery?

3. What type of provider did you have during your labor and birth (midwife, Ob/gyn,

or family medicine physician)?

4. Did your labor start all on its own (spontaneously) or was medicine used to start

your labor?

5. If labor started on its own, did you require any medicine to help speed labor (i.e.

oxytocin)?

6. Did you use any type of pain medicine in labor (nitrous oxide, IV medication,

epidural)? (Yes/No)

6. a. If you used medication(s) in labor, what type of medication(s) did you use?

7. What type of birth did you experience (vaginal birth, cesarean birth, vacuum)?

8. While you were in labor, did you receive labor support from family members or

friends (mother, spouse/partner, sister, etc.)? (Yes/No)

8.a. If yes, from whom?

9. Did you receive any labor support from someone trained to provide labor support

(for example: doula, nurse, midwife, or other provider)? (Yes/No)

9.a. If yes, from whom?

Ethical Considerations

Prior to the study, institutional review board (IRB) approval was obtained by the

University of Minnesota’s Human Research Protection Program. Subsequent IRB

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approval from two large health care organizations in which the study was also conducted

was obtained.

Setting and Participants

The study setting included five prenatal clinic sites incorporating three large

health systems in Minnesota and Wisconsin. The sites were two diverse urban clinics

including one Federally Qualified Health Center (FQHC), one clinic in an urban area in

Northern Minnesota, and two rural clinic sites in Western Wisconsin.

Women were recruited to participate through the providers in their clinics or

through flyers posted in the prenatal clinic sites. Inclusion criteria were English-speaking,

age 18 years and older, pregnant with gestation between 34+0 and 38+6 weeks at

recruitment, with the intention to have a vaginal birth. Both nulliparous and parous

women were included.

Data Collection

Initial data were collected by pencil and paper questionnaire, the P-LAB survey

instrument. Psychometric evaluation of the instrument has been presented elsewhere

(Neerland, in preparation). In addition, women were asked prenatally about their use of

childbirth education classes, main sources of labor and birth information, and intention to

use a doula for labor support. Women willing to participate in the postpartum phone

interview provided their telephone information on the questionnaire. Questionnaires were

returned to the researcher by self-addressed stamped envelope. Once the questionnaires

were received, data were logged in a secure database including the women’s estimated

due date (EDD). Based on the EDD, women were contacted approximately four to six

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weeks after the birth of their baby and a brief telephone interview was conducted.

Interview questions are listed in Table 1.

Table 2. Participant Demographic Data Mean age (sd) Age range 18-41

(n = 204) 30 ± (4.3)

Birth Number 1 2 3 4 or more

(n = 204) 106 (52%) 68 (33%) 24 (12%) 6 (3%)

Education Less than 12th Grade Graduated High School or GED Completed Technical School Some College Graduated from College Some Graduate School Graduate Degree

(n = 203) 3 (2%) 14 (7%) 7 (3%) 22 (11%) 78 (38%) 11 (5%) 68 (34%)

Marital Status Currently Married Married, separated Single, Never Married Living with Committed Partner Divorced Widowed

(n = 203) 171 (84%) -- 15 (7%) 17 (8%) -- --

Race/Ethnicity African American/Black Asian/Pacific Islander Hispanic/Latino Native American/Alaskan Native White Other

(n = 203) 10 (5%) 21 (10%) 9 (4%) 2 (1%) 158 (78%) 3 (2%)

Annual Household Income Level < $25,000 $25,001 - $35,000 $35,001 - $50,000 $50,001 - $70,000 $70,001 - $100,000

(n = 198) 17 (9%) 13 (7%) 27 (14%) 26 (13%) 51 (26%)

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$100,001 or more

64 (32%)

Insurance Employer or Self-pay Medicaid

(n = 201) 163 (81%) 38 (19%)

Results

Demographic and Prenatal Characteristics

A total of 206 women completed the P-LAB and 192 women participated in the

postpartum telephone call (93%). Demographic characteristics are summarized in Table 2

and prenatal characteristics can be found in Table 3. Over half of the sample were

nulliparous women (52%), 33% were having their second baby, and 15% were giving

birth to their third infant or more. The majority of women had either taken childbirth

education previously or during the current pregnancy (70%), 6% planned to attend

childbirth education before they delivered their baby, while 24% had no intention to

attend childbirth education classes. One third of women (33%) reported that their prenatal

care providers were their main source of information, while 23% reported a doula as their

main information source, and 17% indicated the Internet as their main source. Only six

(3%) of women reported that childbirth education was their main source of labor and

birth information. Thirty-one women (15%) indicated intent to use a doula in labor.

Seventy-six women (37%) indicated intent to forego medication in labor, while a similar

proportion (n = 70, 34%) indicated that they intended to use pain medication. Nearly one

third (n = 59, 29%) were neutral or undecided about intent to use medication.

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Table 3. Other Prenatal Characteristics Type of Prenatal Care Provider Midwife Ob/Gyn Nurse Practitioner Other/Not sure

(n = 206) 143 (69%) 49 (24%) 9 (4%) 5 (2%)

Primary Source of Pregnancy and Birth Information Prenatal Care Provider Friends and Family Doula Childbirth Education Internet Source(s) Other

(n = 206) 68 (33%) 17 (8%) 47 (23%) 6 (3%) 35 (17%) 33 (16%)

Childbirth Education with Current Pregnancy Yes No, Never Attended No, Attended Previously No, Plan to Attend

(n = 206) 75 (36%) 49 (24%) 70 (34%) 12 (6%)

Prenatal Intention to use Doula Yes No

(n = 206) 31 (15%) 175 (85%)

Reasons for Not Using Doula Unsure What Doula Is Cannot Afford Doula Do Not Need Doula Support Partner Not Comfortable with Doula

(n = 175) 15 (9%) 27 (15%) 131 (75%) 2 (1%)

Prenatal Intent to use Pain Medication in Labor Intend to Use Neutral Do Not Intend to Use

(n = 205) 70 (34%) 59 (29%) 76 (37%)

Labor and Birth Characteristics

The postpartum follow up telephone calls lasted between ten and twenty minutes.

Labor and birth characteristics are summarized in Table 4. The majority of women (98%)

were full-term gestation (>37 weeks) at the time of birth, experienced spontaneous labor

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(65%), used some type of pain medication in labor (65%), received labor support from a

family member (98%) in addition to support from a professional trained in labor support

(83%), and experienced a normal spontaneous vaginal delivery (NSVD) (83%). Many

women also experienced interventions in labor including induction of labor (35.4%) or

pitocin augmentation of labor (18.2%).

Table 4. Characteristics of Labor and Birth Gestational Age at Birth 36+0 – 36+6 37+0 – 37+6 38+0 – 38+6 39+0 – 39+6 40+0 – 40+6 41+0 – 41+6 42+0

(n = 192) 3 (2%) 6 (3%) 30 (16%) 50 (26%) 55 (29%) 45 (23%) 3 (2%)

Type of Provider in Labor Midwife Ob/Gyn

(n = 192) 138 (72%) 54 (28%)

Birth Type NSVD Cesarean Vacuum

(n = 192) 159 (83%) 24 (13%) 9 (5%)

Spontaneous Labor Yes No, labor induced

(n = 192) 124 (65%) 68 (35%)

Augmentation in Labor Yes No N/A (Labor induced)

(n = 192) 35 (18%) 89 (46%) 68 (35%)

Pain Medication in Labor Yes No

(n = 192) 124 (65%) 68 (35%)

Primary Medication in Labor IV Pain Medications Nitrous Oxide

(n = 126) 23 (18%) 30 (24%)

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Epidural

73 (58%)

Labor Support from Family or Friends Yes No

(n = 179) 176 (98%) 3 (2%)

Labor Support from Professional Yes No

(n = 158) 131 (83%) 27 (17%)

Confidence and Associated Outcomes

Total prenatal confidence for physiologic birth scores from the 22-item P-LAB

instrument ranged from 62 to 108 (M = 86.13, SD = 8.719). There was no significant

association found for prenatal confidence for physiologic birth and birth mode (t = 0.995,

p = 0.391) (Figure 1), provider type (t = -1.746, p = 0.082), or level of maternal education

(t = 0.779, p = 0.511). There was also no association identified between confidence and

women’s main source of labor and birth information. Women who had previously given

birth reported higher mean prenatal confidence scores as compared to women who had

not yet experienced birth (M = 88, SD = 8.4 vs. M = 85, SD = 8.9, respectively; p = 0.04).

Prenatal confidence scores were, on average, 13 points higher (95 % CI: 10 to16, p <

0.001) among those who intended to birth without medication (93 (7.3)) than among

those who intended to use pain medication (80 (6.8)) ; (Figure 2). Provider type and main

source of labor and birth information were significantly associated with the intent to use

pain medication (p = 0.003 and p = 0.002, respectively). Among women who had

physician care, 23/49 (47%) indicated the intent to use pain medication in labor and 8/49

(16%) did not intend to use medication. The remainder - 18/49 (37%) - were neutral or

undecided about the medication use. Among women who had nurse-midwife care, 47/156

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(30%) reported the intent to use pain medication in labor, while 68/156 (44%) did not

intend to use pain medication, and 41/156 (26%) were neutral or undecided. Intent to use

medication was also highly associated with the actual use of medication during labor (p <

0.001). When examined for intention and actual use, of women that did not intend to use

medication (n = 71), 50 (70%) were consistent with their intention. For those that did

intend to use medication (n = 69), 58 (84%) actually used medication. Finally, of women

that were neutral or undecided regarding medication use (n = 51), 44 (86%) used

medication.

Figure 1. Prenatal Confidence Scores on the P-LAB Instrument and Mode of Birth

Mode of Birth

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Figure 2. Prenatal Confidence Scores on the P-LAB Instrument, Intended Use of Medication in Labor, and Actual Use

Did not intend to use medication

Neutral Did intend to use medication

Total n = 71 Did not use n = 50 (70%) Used n = 21 (30%)

Total n = 51 Did not use n = 7 (14%) Used n = 44 (86%)

Total n = 69 Did not use n = 11(16%) Used n = 58 (84%)

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Discussion

The purpose of this study was to examine prenatal maternal confidence for

physiologic birth and its associated prenatal characteristics and labor and birth outcomes.

Using the newly developed P-LAB instrument to measure prenatal confidence in the third

trimester, relationships between confidence and specific variables were examined.

Parous women had higher prenatal confidence for physiologic birth than

nulliparous women. This is consistent with previous literature on self-efficacy theory and

childbirth (Lowe, 1993; Schwartz et al., 2015). In addition, women’s past experience

with birth was found to be a prominent characteristic of confidence for physiologic birth

(Neerland, 2018). Women who are nulliparous, with a singleton, full term fetus, in the

vertex (head down) position (NTSV) have been the recent focus in efforts to decrease

primary cesarean deliveries in the United States due to the large variation in cesarean

rates for this group and because the mode of first birth has the potential to impact all

future births (American College of Obstetricians & Gynecologists and Society for

Maternal Fetal Medicine, 2014). Nulliparous women, in particular, may benefit from

targeted prenatal interventions to increase their confidence for physiologic birth.

Sources of labor and birth information were not associated with prenatal

confidence for physiologic birth. However, prenatal care providers were cited the most by

women as their main source for labor and birth information. This was consistent with the

Listening to Mothers (LTM) III results where women rated their providers as very

valuable sources of information and as the most trustworthy sources (Declercq et al.,

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2013). Slightly more than one third of women participated in childbirth education classes

either in the current pregnancy or with a previous pregnancy. This was also consistent

with the LTM III data (Declercq et al., 2013). The proportion of women who reported

that childbirth education was their main source of labor and birth information, however,

was very low, indicating that women considered childbirth education to be a supplement

to other sources including their providers, doulas, and the Internet. Therefore, the creation

of an approach to enhance confidence that is implemented by prenatal care providers and

feasible in the clinical setting may be the most optimal.

One third of women in this study indicated prenatally that they intended to use a

doula for labor support and almost one quarter indicated that doulas were their main

source of labor and birth information. Most women, however, indicated they did not plan

to use a doula because they did not feel that they would need doula support in labor and

the actual number who utilized a doula in labor was very small, consistent with the LTM

III data (6%). Although a large body of evidence supports the use of continuous labor

support and in particular continuous labor support from a doula (Bohren et al., 2017;

Kozhimannil et al., 2014), there was no evidence in this study that a doula as a source of

labor and birth information was related to confidence for physiologic birth.

Prenatal confidence for physiologic birth was associated with prenatal intention to

not use pain medication in labor. In addition, a majority of women that intended not to

use medication did not (70%). A large proportion of women that intended to use

medication, did so (84%). Therefore, women’s overall actual use or non-use was fairly

consistent with their prenatal intent. Women who indicated they were neutral or

undecided about the use of pain medication, were also very likely to use medication

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(86%). Authors of a systematic review of women’s expectations and experiences of labor

pain identified that in most studies women found that labor pain was worse than

anticipated and this was especially true for nulliparous women (Lally et al., 2008).

Williams et al. (2008) identified that subjective norm, the perceived social pressure to

perform or not perform a specific behavior, as a significant predictor of intention to use

medications. Recently, researchers in Iceland found that women with high confidence in

childbirth knowledge were more likely to intend to birth without the use of medication

(Swift, Gottfredsdottir, Zoega, Gross, & Stoll, 2017). Therefore, women who are

undecided or neutral about pain medication in labor, in particular, may benefit from

prenatal discussion related to expectations and influences regarding the use of pain

medication in labor, alternative approaches, and labor support techniques.

Provider type was also significantly associated with intent to use pain medication.

It could be hypothesized that those who plan to labor without pain medication self-select

to midwifery care. Gibson (2014) found that women choosing midwives prepared for the

pain in labor by exploring non-pharmacologic methods of coping while women choosing

physicians prepared by discussing both pharmacologic and non-pharmacologic methods.

Prenatal confidence for physiologic birth was not associated with mode of birth.

The women included in the study intended to have a vaginal birth, therefore it may be

that women experienced cesarean birth because of labor and birth issues that were

beyond their control and not related to their prenatal confidence. It is important to note

that cesarean rate for this sample was low (12.5%) when compared with the national

cesarean rate of 31.9% (Martin et al., 2018). Women who self-selected to participate in

the study may have had fewer risk factors for cesarean birth. The majority of women in

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this study were cared for by nurse-midwives and therefore likely lower risk and less

likely to give birth by cesarean. In addition, one of the participating hospitals is currently

involved in an initiative to reduce primary cesarean births.

Strengths and Limitations

This study contributes to the literature by examining prenatal maternal confidence

for physiologic birth and associated outcomes such as mode of birth, provider type, and

use of pain medication. It has several limitations, however. The study population was

mostly married, highly educated, and self-identified as white. Although this convenience

sample was representative of the racial composition of the region where the study was

performed, the sample was more homogeneous than anticipated, thus limiting

generalizability. Additionally, most of the women in the study were cared for by nurse-

midwives, which also has the potential to decrease the generalizability of the results. The

overall range of P-LAB confidence scores were noted to be moderately high to high,

which might also be a result of having a larger subset of women under midwifery care.

Finally, labor and birth outcomes were obtained through self-report, therefore the number

of variables obtained were fewer than if chart review had been performed.

Implications for Future Research

There are a number of implications for future research. First, women who had

previously experienced birth were more likely to be confident for physiologic birth.

Therefore, future efforts to examine clinical interventions to enhance prenatal confidence

for physiologic birth should tailored by parity. Second, although a number of resources

are available for women to learn about labor and birth, women rely on their providers for

labor and birth information. Future approaches to bolster confidence for physiologic birth

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should focus on utilizing the provider-patient relationship. Third, prenatal confidence was

associated with provider type. Women who intended to labor without medication may

have self-selected to midwifery care. Recently, a group of US maternity care experts

released a Blueprint for Advancing a High-Value Maternity Care Through Physiologic

Childbearing (Avery et al., 2018). In this blueprint, the authors call for research on how

to foster healthy physiologic processes through improving practice. Examination of a

woman-centered approach to presenting labor and birth physiology, labor pain, pain

medication and alternatives is an area where confidence for physiologic birth may be

augmented for those who are undecided regarding pain medication use. In addition,

future investigation should include greater heterogeneity among provider types. The

measurement of confidence before and after specific care processes are implemented is

also critical to see if change can be observed. Finally, using specific strategies to assure a

more racially, educationally, and economically diverse sample to examine confidence for

physiologic birth and associated outcomes is needed.

Conclusion

Preliminary investigation of associations between a new measure of prenatal

confidence for physiologic birth, prenatal factors, and birth outcomes was completed.

Consistent with previous research, women rely on information about labor and birth from

their providers. Utilizing the P-LAB, tailored approaches in the clinical setting may assist

providers in their approach to enhancing women’s confidence during the course of

prenatal care. Women who are undecided or neutral about their intention to use pain

medication in labor may particularly benefit from care with a focus on physiologic

childbearing. Parous women were found to be more confident for physiologic birth than

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nulliparous women. Examining prenatal care practices to enhance women’s confidence

using the P-LAB, especially among nulliparous women, is another next step in promoting

a physiologic approach and examining the effect on childbirth outcomes.

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Chapter 5

Synthesis

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The primary purpose of this study was to develop and test an instrument to

measure prenatal maternal confidence to achieve physiologic birth, the Preparation for

Labor and Birth (P-LAB) instrument. This research study included five phases: 1) in-

depth analysis of the concept confidence for physiologic birth and instrument item

development, 2) an evaluation phase including review by expert panel and cognitive

interviews, 3) administration of the instrument to a large sample of women 4) item

analysis and psychometric testing, and 5) a reconceptualization of the model for

confidence for physiologic birth. The purpose of Chapter 5 is to review the major

findings, evaluate the strengths and limitations, and to further discuss the research

implications of this study including next steps toward a broad program of research.

Summary of Major Findings

Specific Aim 1. Identify the content domain for maternal confidence for physiologic birth

in the prenatal period

Aim one of this study was to identify the content domain for maternal confidence

for physiologic birth in the prenatal period. A rigorous concept analysis was conducted

(Rodgers, 2000) and maternal confidence for physiologic birth was defined. In Chapter 2,

results from the concept analysis were presented along with an evolving conceptual

definition of the construct (Neerland, 2018). Four defining attributes of the concept were

identified: belief in childbirth as a normal process, confidence in the innate ability to

birth, past experience, and knowledge and information. Numerous antecedents for

maternal confidence for physiologic birth were also identified.

Based on the analysis an evolving definition for maternal confidence for

physiologic birth was developed and defined as:

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A woman’s belief that physiologic birth can be achieved, based on her view of

birth as a normal process and her belief in her body’s innate ability to birth, which

is supported by social support, knowledge, and information founded on a trusted

relationship with a maternity care provider in an environment where the woman

feels safe (Neerland, 2018, p. 7).

The identified components of the concept provided the conceptual foundation for the

model of maternal confidence for physiologic birth and informed item generation for the

instrument to measure prenatal confidence for physiologic birth, the P-LAB instrument.

Specific Aim 2. Appraise the feasibility and face validity an instrument to measure

prenatal maternal confidence for physiologic birth

In Chapter 3, the defining attributes of confidence for physiologic birth, along

with the ten antecedents, were cross-compared with major themes from a recent

qualitative study on women’s perceptions of prenatal influences on maternal confidence

for physiologic birth (Avery, Neerland, & Saftner, in press). This process informed the

six domains that made up the preliminary model for maternal confidence for physiologic

birth. The six domains of the model included uncertainty,

knowledge/information/experience, confidence in the body’s ability to birth, support, a

trusted relationship with a care provider, and confidence in the system/place of birth.

From the initial model, 24 initial items for the P-LAB instrument were developed and

tested.

To appraise the feasibility and face validity of the P-LAB, a panel of ten experts

including women who had experienced physiologic birth, physicians, and midwives,

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reviewed each individual item and the instrument as a whole for clarity and relevance and

rated the individual items using a content validity index (CVI) tool. All retained items

had scores of ≥ 0.8, while the entire P-LAB instrument had a CVI score of 0.95. In

addition, a small number of women who participated in the study (n = 8) completed

cognitive interviews and estimated that it took them between 10 and 15 minutes to

complete the questionnaire. The Flesch-Kincaid reading level for the entire questionnaire

was a 7th grade reading level. These findings indicated robust content and face validity

and feasibility of the instrument.

Specific Aim 3. Evaluate preliminary reliability and construct validity of an instrument to

measure prenatal maternal confidence for physiologic birth

Preliminary reliability and construct validity of the P-LAB were also evaluated in

Chapter 3. Utilizing exploratory factor analysis (EFA), a four-factor model for

confidence for physiologic birth was identified. The four factors included fear or

confidence for physiologic birth, planned use of pain medication, trusted relationship

with provider and environment, and support (partner, provider, and environment). The

preliminary model for confidence for physiologic birth, which contained six domains,

was then reconceptualized to contain the four extracted factors. Cronbach’s coefficient

alpha for the total instrument and for the four extracted factors suggested respectable

internal consistency of the instrument. Intraclass correlation measuring test-retest

reliability was excellent. Construct validity, however, was less robust than anticipated as

convergent validity with the SOC-13 scale was inconclusive.

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Specific Aim 4. Examine maternal confidence for physiologic birth and associated

prenatal characteristics and labor and birth outcomes

In Chapter 4, women’s P-LAB scores were evaluated with prenatal characteristics

and birth outcomes. Prenatal confidence scores were found to be positively associated

with the experience of having previously given birth and with the intention to birth

without pain medication. Women most often cite their prenatal care providers as their

main source of labor and birth information. There were no significant associations

identified between maternal confidence for physiologic birth and birth mode, provider

type, or level of maternal education.

Reconceptualization of the Model of Confidence for Physiologic Birth

The preliminary model for confidence for physiologic birth included six domains:

uncertainty, knowledge/information/experience, confidence in the body’s ability to birth,

support, trusted relationship with a provider, and confidence in the system or place of

birth. These were derived from in-depth concept analysis (Neerland, 2018) and

qualitative study of women’s perceptions of prenatal influences on maternal confidence

for physiologic birth (Avery et al., in press). Using EFA, a four-factor structure was

identified, however.

Confidence in the body’s ability to birth was thought to be a prominent

characteristic based on a theme from the qualitative study and the attributes of confidence

for physiologic birth. Interestingly, a main item written for this domain (“I am confident

in my body’s ability to labor and birth”) had low factor loading and so was removed from

the instrument. Another item loaded with the factor fear or confidence for childbirth. The

four remaining items related directly to the use of pain medication, therefore, the factor

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was renamed. From a clinical perspective, this is not surprising as women often think

about physiologic, “normal” or “natural” birth in terms of pain medication use during

labor and birth. This shift in the model from confidence in the body’s ability to birth to

planned use of pain medication potentially allows the P-LAB instrument to be more

clinically useful because the terminology is easier to understand and because most

women begin to contemplate labor pain and how they might manage it during the

prenatal period.

Uncertainty was also another prevalent theme from qualitative study (Avery et al.,

in press) and antecedent for confidence for physiologic birth (Neerland, 2018). Two of

three items written for this domain factored as hypothesized, while two items developed

for other domains factored with this domain as well. The four items for this factor either

related to fear or confidence, therefore this factor was renamed fear or confidence for

birth. Fear can be considered the antithesis of confidence; therefore, this evolution is

logical. In addition, fear related to birth is much more specific than the broad, general

term uncertainty, which could pertain to many aspects of pregnancy and birth.

The items written for the domains confidence in system/place of birth and

knowledge/information/experience did not factor as hypothesized and factored under

different domains, so they were no longer represented in the model. The two remaining

factors, trusted relationship with a provider and support factored as hypothesized. Thus,

the schematic model for confidence for physiologic birth was reconceptualized utilizing

the four factors. Additionally, the relationships within the model were no longer viewed

as a linear progression from uncertainty to confidence, but as interrelated and dynamic.

Therefore, the structure of the model was also reconfigured to reflect this.

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Revisiting Salutogenesis

There was inconclusive evidence of a relationship between the SOC-13 scale and

the P-LAB instrument. Antonovsky’s salutogenic model is a global construct and perhaps

lacks specificity to maternal confidence for birth. The SOC-13 subscale of manageability,

the belief that resources are available and that the person can meet the demands of the

situation (Antonovsky, 1987), may have a stronger relationship with maternal confidence

and future examination is needed. Salutogenesis remains a broad and relevant model for

healthy, physiologic labor and birth processes and there is a growing body of literature to

support its use in midwifery and maternity care (Downe, 2010; Meier Magistretti et al.,

2016; Perez-Botella, 2016).

Strengths and Limitations

This study had several strengths. To date, there had been no precise definition of

confidence for birth, and more specifically a definition of maternal confidence for

physiologic birth. Further, the terms confidence and self-efficacy have often used

interchangeably, without distinction made between the two terms. This study offers a

rigorous concept analysis of confidence for physiologic birth, providing a definition of

confidence for physiologic birth and a sound conceptual foundation for ongoing

development of the P-LAB instrument. Operationalization of the components of

confidence for physiologic birth provide a platform from which future research on

maternal confidence and further theory and concept development can occur.

The P-LAB also demonstrated respectable preliminary validity and reliability.

Content validity is a lengthy and engaged process, however, the validation of instrument

and the individual items are important in determining if the instrument is measuring what

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it purports to measure (Lynn, 1986). The P-LAB instrument and individual items were

reviewed by ten experts and several revisions were made. The final CVI scores for the

individual items and for the entire instrument were considered excellent (Zamanzadeh et

al., 2015).

Exploratory factor analysis utilizing direct oblimin rotation was performed and a

four-factor structure was identified. Internal consistency is a measure of how reliable an

instrument is at measuring what it is designed to measure. Cronbach’s coefficients alpha

for the individual factors ranged from 0.74 to 0.93 while the Cronbach’s coefficient alpha

for the entire instrument was 0.81, suggesting very good internal consistency reliability of

the instrument (DeVellis, 2012).

Another measure of reliability, test-retest reliability, was also performed. Test-

retest reliability examines how stable a measure is when taken at two different time

periods (DeVellis, 2012). For this measure intraclass correlation (ICC) was utilized and

the ICC (95% CI) for the entire instrument was 0.92 (0.88, 0.94), suggesting excellent

test-retest reliability (Koo & Li, 2016).

Finally, this study contributes new knowledge to the literature on maternal

confidence for physiologic birth and associated prenatal characteristics and birth

outcomes including provider type, birth mode, intention to use pain medication, and

actual use of pain medication in labor.

This study had several limitation including the homogeneity of the sample. The

majority of women self-identified as white (77%), had a college degree or higher (76%),

had high household incomes, and most were married (83%). This greatly hinders

generalizability to the broader population of childbearing women. Second, the majority of

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the women were cared for by nurse-midwives (69%). In the US, currently 8% of total

hospital births are attended by certified nurse-midwives or certified midwives (Martin et

al, 2018), so this study was not representative of the general population. In addition,

although the study was performed in both urban and rural locations, it was completed in

one Midwestern region of the US also potentially limiting generalizability. Finally,

construct validity was less than optimal as the correlation with the relationship between

the P-LAB and SOC-13 was inconclusive (r = 0.22). This hinders the overall validity of

the P-LAB, therefore further testing is required.

Research Implications

Numerous areas for future research have been identified. Most

importantly, although the P-LAB exhibited preliminary reliability and evidence of

validity, this study was limited by its lack of established construct validity. The SOC-13

scale has been increasingly used in research in relationship to pregnancy and childbirth

and higher SOC scores have been associated with decreased likelihood of cesarean birth

(Ferguson et al., 2016). However, the SOC-13 did not exhibit a relationship with the P-

LAB. In future testing of the P-LAB instrument, other existing measurement scales

should be utilized to explore convergent and discriminant validity, including Lowe’s

Childbirth Self-efficacy Inventory CBSEI (Lowe, 1993) and the Wijma Delivery

Expectancy Questionnaire (W-DEQ) (Wijma et al., 1998). Additional research to

examine SOC, including its subscales (meaningfulness, manageability,

comprehensibility), maternal confidence for physiologic birth, and birth outcomes is also

needed.

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Although a diverse sample was sought for participation in the P-LAB study, the

sample was more homogeneous in terms of race or ethnicity, maternal level of education,

marital status, and income than anticipated. Therefore, further testing of the P-LAB

instrument should be carried out with a more racially, economically, and educationally

diverse sample. Additionally, the need for exploring maternal confidence for physiologic

birth and associated outcomes in a more diverse sample was identified.

In Chapter 3, several areas for further exploration and for targeted interventions

were identified. Women often equate “natural” physiologic birth with the non-use of

medication in labor, therefore, the intention to forego pain medication in labor may be

seen as a proxy for physiologic birth. Maternal confidence for physiologic birth was

found to be significantly associated with intent to not use pain medication in labor and

this group was fairly consistent with their intention. A large proportion of women who

were undecided prenatally about pain medication use actually used medication in labor.

This group, in particular, may benefit from an evidence-based and woman-centered

approach to enhance confidence. Lally et al. (2014) found that women had a difficult time

prenatally with both knowing what to expect regarding labor pain and with making

decisions about coping and pain management in advance of labor. The researchers

suggest an approach that is woman-centered and utilizes shared decision making, where

discussions include the woman’s values, preferences, and beliefs as well as the risks,

benefits, and alternatives of the pharmacologic and non-pharmacologic options (Lally et

al., 2014). This approach is consistent with the recent expert consensus report, Blueprint

for Advancing a High-Value Maternity Care Through Physiologic Childbearing (Avery

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119

et al., 2018), that recommends expanded communication and education and actively

engaging women in their care.

Women who had previously experienced childbirth had significantly higher P-

LAB scores. Therefore, future investigations of interventions to enhance confidence for

physiologic birth should specifically focus on the nulliparous childbearing population.

This could be especially impactful as the nulliparous population has a greater need for

education and have had less experiences with labor and birth. Additionally, the gap

between the expectation of labor pain and experience appears to be greater for

nulliparous women (Lally et al., 2008).

Finally, inquiry regarding maternal confidence for physiologic birth must be

ongoing to advance development of the concept and the related phenomena. Rodgers

(2000) asserts that concepts are dynamic, evolve over time, and are influenced by

context. Continued research on the concept of confidence and how it might be enhanced

prenatally should be continued in order to advance the model of maternal confidence for

physiologic birth. This is consistent with a recent call to action by Kennedy et al. (2018)

based on the groundbreaking 2014 Lancet Series on Midwifery, which outlines research

priorities including identifying aspects of care that optimize biological and physiological

processes during pregnancy, labor and birth. Further, the authors place prioritization on

investigating new measures that address outcomes assessment of positive childbearing

care and experiences (Kennedy et al., 2018).

Conclusion

Childbearing women in the US face increasing medicalization and interventions

during labor and birth. Subsequently, support of physiologic labor and birth processes has

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gained attention in recent years. Women’s confidence to achieve physiologic birth is

often discussed in the research and lay literature, however, confidence for physiologic

birth had not been clearly defined nor are approaches that may lead to enhanced

confidence well understood. Further, there was no clinical prenatal measure of maternal

confidence for physiologic birth. The intent of this study was to define prenatal maternal

confidence for physiologic birth and to develop and test a new clinical instrument to

measure the construct. Evidence has been provided that the Preparation for Labor and

Birth (P-LAB) instrument exhibits preliminary reliability and validity to measure

maternal confidence for physiologic birth, however further testing is needed.

A recently released report, the Blueprint for Advancing a High-Value Maternity

Care Through Physiologic Childbearing (Avery et al., 2018), identifies six action steps to

create a pathway for supporting physiologic processes to improve maternity care within

the US health care system. The authors call for research to advance the science of

physiologic labor and its impact on maternal and newborn outcomes. Utilizing the

conceptual framework of confidence for physiologic birth identified in this study, along

with the recent research by Avery et al. (2018, in press) and Saftner et al. (2017), clinical

approaches to augment maternal confidence for physiologic birth can be developed. The

P-LAB has the potential to measure the effectiveness of these future approaches.

Childbearing women deserve to be cared for in an environment that instills

confidence in their innate capacity to birth, supporting normal physiologic processes and

limiting interventions except when medically needed for the health of the woman or the

fetus/newborn. This study provides a foundation upon which to build future research to

enhance maternal confidence for labor and birth.

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Appendix A. University of Minnesota IRB Approval

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Appendix B. Essentia Health IRB Approval

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Appendix C. Gundersen Health System IRB Approval

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Appendix D. Permission to use the Sense of Coherence-13 Questionnaire

Date

Center on Salutogenesis Department of Health Sciences 2016-08-01

UNIVERSITY WEST Telephone + 46 520-22 30 00 www.hv.se SE-461 86 Trollhättan Sweden

Visiting address: Gustava Melins gata 2

PhD Candidate Carrie Neerland University of Minnesota's School of Nursing 3632 46th Ave. S. Minneapolis, MN 55406 ([email protected]) Dear Carrie Neerland, I hereby grant permission to use the 13-item version of the Sense of Coherence (Orientation to Life) Questionnaire, originally found in Unraveling the mystery of health: How people manage stress and stay well, by Aaron Antonovsky (Jossey-Bass Publishers, 1987), for use in your study to develop and test a valid and reliable instrument to measure women's confidence to achieve physiologic childbirth. The permission is granted upon fulfillment of the following conditions: 1. You may not redistribute the questionnaire (in print or electronic form) except for your own

professional or academic purposes and you may not charge money for its use. If administered online, measures should be taken to insure that (a) access to the questionnaire be given only to participants by means of a password or a different form of limited access, (b) the questionnaire should not be downloadable, and (c) access to the questionnaire should be time-limited for the period of data collection, after which it should be taken off the server. Distributing the questionnaire to respondents via email is not permitted. Finally, any electronic version of the questionnaire which you may have for your research purposes (other than distribution to research participants) should be in PDF format including password protection for printing and editing

2. The questionnaire is intended for research purposes only, and may not be used for diagnostic or clinical use. By "diagnostic or clinical" it is meant that the SOC score cannot be the basis of any kind of physical, mental, cognitive, social or emotional diagnosis or assessment of the respondent, and cannot direct therapeutic or medical decisions of any kind.

3. In any publication in which the questionnaire is reprinted, reference to the abovementioned source should be given, and a footnote should be added saying that the questionnaire is reprinted with the permission of the copyright holder.

4. The copyright of the Sense of Coherence Questionnaire remains solely in the hands of the Executor of the Estate of Aaron Antonovsky.

If possible, I would appreciate receiving a copy of any forthcoming paper concerning a study in which the SOC questionnaire has been used, for private use in building an SOC publication database. Sincerely, Avishai Antonovsky, Ph.D. On behalf of Avishai Antonovsky Estate of Aaron Antonovsky Monica Eriksson, PhD, Associate Professor Department of Education and Psychology Department of Health Sciences The Open University University West, Center on Salutogenesis Israel Trollhättan, Sweden

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Appendix E. Preparation for Labor and Birth Survey Information Form

SURVEY INFORMATION

You are invited to take part in a research study of preparation and confidence for childbirth. You were identified as a possible participant for this study because you are near the end of your pregnancy (34-38 weeks). This study is being conducted by Carrie Neerland, a PhD student from the University of Minnesota. This study has funding from the March of Dimes and from the American College of Nurse-Midwives Foundation. This form will tell you about the purpose of the research, its possible risks and benefits, other options available to you, and your rights as a participant in the study. Please take your time to make your decision about whether to participate. Everyone who takes part in this research should know that:

• Being in any study is voluntary. • You may or may not benefit from being in the study. Knowledge gained from this

study may benefit other women in the future. • You may leave the study at any time and none of the benefits you would normally

receive would be limited or taken away. • Please ask any questions you have about this study. The decision to be in the

study or not is yours. If you decide to take part, please sign and date the end of this form.

• Completion of the survey is considered consent to participate. Study Purpose The purpose of this study is to better understand women’s preparation and confidence for childbirth in order to create ways to help women feel better prepared for birth. Study Procedures For this study you will be asked to complete a short survey between 34-38 weeks about your prenatal experience and preferences for your upcoming labor and birth. The survey will take approximately 15-20 minutes to complete. A random selection of women will be asked to repeat the survey one week after taking the first survey. All participants will receive a short 10 minute phone call at 4-6 weeks postpartum. This is to briefly review the details of your birth including type of birth, use of pain medications during labor, provider type, and labor support.

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Risks and Benefits of Study Participation Risks of participating in this study are very small. The survey includes questions about pregnancy, labor, and birth – topics that some women find sensitive or personal. We can not guarantee that you will benefit from being in this study. However, we plan to use the information from this study to help health care providers better understand how to help women who are preparing to give birth increase their confidence in their ability to labor and give birth. Compensation For your participation in this study, you will be entered in to a random drawing for a $25 gift card. There is a one in five chance of winning. Confidentiality Your privacy is important to us. We will do everything we can to protect the confidentiality of your personal information. We will not include personal or identifying information about you in any reports or papers about this study. The study information will be kept on a password-protected computer or stored in a locked file cabinet in a locked office of the study investigator. Voluntary Nature of the Study Your participation in this study is voluntary. Your decision whether or not to participate will not affect your current or future relations with the University of Minnesota. If you decide to participate, you are free to not answer any question or withdraw at any time without affecting those relationships. You can also change your mind or quit at any time during the study. Contacts and Questions The researcher conducting this study is Carrie Neerland. You may ask any questions you have now. If you have questions later, you are encouraged to contact Carrie Neerland at 651-338-8307 or [email protected]. If you have any questions or concerns regarding the study and would like to talk to someone other than the researcher(s), you are encouraged to contact the Research Subjects’ Advocate Line, D528 Mayo, 420 Delaware Street SE, Minneapolis, Minnesota 55455; (612) 625-1650. The completed and mailed survey is considered consent to participate in the study. IRB Code #1607P91381 Version Date: 10/16

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Appendix F. Content Validity Index (CVI) Tool with Initial Items May 20th, 2016 Dear Expert Reviewer, Thank you very much for your willingness to review this tool to measure maternal confidence for physiologic birth. Please read each statement/question carefully and, based on your expertise, rate the item’s relevance to maternal confidence for physiologic birth measured during the prenatal period. If the item is relevant but needs some revision, please make suggestions in the space provided. Again, thank you for your assistance with the survey! The goal of this research is to develop and test a tool to measure women’s prenatal confidence for physiologic birth in order to guide interventions to increase women’s confidence, optimize how women are prepared prenatally, and to serve as a discussion and shared decision-making aid in pregnancy. Sincerely, Carrie Neerland, MS, APRN, CNM PhD Candidate, University of Minnesota School of Nursing Tel. 651.338.8307 Email: [email protected]

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Please review each question or statement carefully and rate the item using the scale provided. Item/Question Content Relevance (circle or highlight your choice) 1. I am confident in my body’s ability to labor and birth without the use of pain medication. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

2. I know that I will have the support that I need from my support person (partner, doula, or other) in labor. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

3. When I think of the childbirth process, I am fearful. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

4. I have chosen and feel prepared to give birth without the use of pain medication. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

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5. I trust that my care provider(s) will honor my preferences in labor. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

6. I feel comfortable with where I will deliver my baby (hospital, birth center, or other). (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

7. It is important to me to experience childbirth without any pain medication. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

8. I have sought out childbirth information from many different sources. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

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9. I am excited about going through childbirth. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

10. I will likely use pain medication in labor. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

11. My support person (partner, doula, or other) is supportive of my childbirth preferences. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

12. I have doubts about my ability to birth without pain medication. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

13. My maternity care provider(s) discuss(es) options and choices with me before pregnancy and health care decisions are made. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

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14. I do not feel that I have enough information about the childbirth process. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

15. How would you rate your communication with your maternity care provider(s)? (Poor to Excellent) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

16. How would you rate the emotional support you receive from your planned labor support person (partner, doula, or other)? (Not at all supportive to Very supportive) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

17. How confident are you that you will be able to cope with labor pain without the use of medication? (Not confident at all to Very confident) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

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18. I have considered and know my own preferences for childbirth. (Yes/No) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

19. How prepared do you feel for childbirth? (Not prepared at all to Very prepared) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

20. I feel equipped in my knowledge for childbirth. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

21. I do not feel that my provider addresses my needs during prenatal visits. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

22. I have primarily seen one maternity care provider during my pregnancy. (Strongly Disagree to Strongly Agree)

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please)

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Suggestions for changes:

4 = very relevant and succinct

23. I am certain that my birth will be in a calm, supportive environment. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

24. I feel that it is important to do research on my own to prepare for labor and birth. (Strongly Disagree to Strongly Agree) Suggestions for changes:

1 = not relevant 2 = unable to assess or in need of so much revision that it would no longer be relevant 3 = relevant but needs minor revision (suggestions please) 4 = very relevant and succinct

Lastly, can you identify any aspect of maternal confidence for physiologic childbirth that is not included here? Please be as specific as you can.

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