Active Parasite Detection 2011 Supplemental

Active Parasite Detection 2011

Supplemental

Enumerator and CHW Training

14 November, 2011

Centers for Disease Control-CDCSwiss Tropical InstituteJohns Hopkins UniversityThe World Bank The Global Fund against AIDS, Tuberculosis and MalariaLiverpool School of Tropical MedicineMACRO InternationalMalaria Consortium Malaria Control and Evaluation Partnership in Africa (MACEPA) – PATHMalaria in Pregnancy Consortium SecretariatMEASURE EvaluationWHOWHO-AFROTulane UniversityUNICEFUSAID/PMI

Acknowledgements

Questionnaire Components 1 questionnaire component

◦ Household questionnaire Testing procedures

Household person listing• all household members/usual residents

Household Questionnaire

Bednet Knowledge/Attitudes/Practices

Household amenities / assets

Malaria Prevention: Indoor Residual Spraying

Malaria Prevention: Insecticide treated nets• Possession• Treatment status• Use

Malaria Testing/ Anemia Testing

Malaria and Anemia Testing Finger stick

If Child 6-59 months old: Hemocue anaemia test

Rapid Diagnostic TestBlood slide: thick and thin blood smear

Dried blood spot

If Needed: TREATUnless women of reproductive age, then refer

Tools/Techniques Global Positioning System (GPS)

◦ Mapping/Navigating to households Personal Digital Assistants (PDAs)

◦ Guided Interview◦ Household listing◦ Questionnaire

Malaria parasite and anemia testing◦ Hemocues◦ Rapid Diagnostic Tests (RDTs)◦ Malaria blood slides◦ Filter papers/blood spots

Teams: 7 facilities for Gwembe and 3 for

SinazongweEach team has: ◦ CHWs ◦ HWs◦ 1team lead◦ 1driver

Survey Overview

Sampling Frame ??? enumeration areas 700 households will be visited ~1000 children Average 2 days in each enumeration area

Survey Overview

Inclusion Criteria◦ All residents of the Household

Exclusion Criteria◦ Declined consent

Survey Overview

Laboratory CollectionAll people◦RDTs◦Slides 1 slide with a thick and thin smear

◦Dried blood spot◦Anemia/Hemoglobin (Hemocue)

Survey Overview

Map of selected Areas

Survey Overview

Typical Field DayContacting households

Making Call backs

Determine directions/route planning to village the night before you travel

Notify village leader of your arrival Present letter from MOH Explain the study Arrange to have village guides Identify enumeration area boundaries

At the Village…

Ensure all PDAs, GPS, and lab equipment are charged and working properly

Ensure all team members know the village name/number

Review work assignments: ◦ Divide area among team members for mapping◦ Divide households for interviews/call back

appointments Map all households within the EA boundaries Coordinate a location to meetand method to

reach supervisor if help is needed

In the morning…

Because each household has been carefully selected, you must make every effort to conduct interviews with the households assigned to you

Absent households should be re-visited at least 2 times on at least 2 different days◦ To gain consent◦ To conduct HH interview◦ To test children who may not be present

Attempts should be made at different times of the day

Call backs

What do you do when you arrive at the household?

Question

Wear your identification Smile and introduce yourself Verify that you are at the correct household Identify eligible respondents Obtain Informed Consent Begin interview

At the correct household…

What do you do if…? An eligible respondent is not available? A respondent refuses to be interviewed? An interview is not completed? A respondent is incapacitated?

At the correct household…

Because each household has been carefully selected, you must make every effort to conduct interviews with the households assigned to you

Sometimes a household member will not be available at the time you first visit.

Households with absent individuals should be re-visited at least 2 different times◦ Call backs should be scheduled at different times

of the day than the previous visit attempt

Call backs

Ensure any treatment schedules were performed appropriately.

Review the questionnaire to verify it is finished. This review should be done before you leave the

household so that you can be sure every appropriate question was asked and that all answers are clear and reasonable.

Clarify any errors with the respondent before leaving. Simply explain to the respondent that you made an error and ask the question again.

Thank the respondent for their time and participation.

At the end of the interview…

Before leaving Notify village leader of your departure Thank the village participants for their time

and cooperation

At the Village…

Look for Label Ask for Original Packaging Other features

◦ Observe: shape/size/color◦ Touch/Feel: materials feel different

Hints:◦ Source of net◦ Age of net

Tips for Bednet Identification