12.2.2016 1 Reliability of instruments measuring at-risk and problem gambling among young individuals: A protocol of a systematic review covering years 2009-2015 Castrén S, Edgren R, Alho H, Salonen AH Internationl Gambling Conference 2016_Auckland_Castren
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Reliability of instruments measuring at-risk and problem gambling among young individuals: A protocol of a systematic review covering years 2009-2015
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Gambling scene in FinlandAvailability, accessibility and acceptability
12.2.2016
• Tripartite monopoly system• Expenditure on gambling one of the
highest in Europe• Approximately 20 000 slot machines
in kiosks, shops, bars, restaurants, gas stations, shopping centres
• Young age, male gender, high net income and risky alcohol consumption, associated with favorable gambling attitudes
• Advertising and marketing are perceptible
Salonen AH, Castrén S, Raisamo S, Orford J, Alho H, Lahti T. Attitudes towards gambling in Finland: A cross sectional population study. BMC Public Health 2014; 14, 982-. Castren S, Murto A, Salonen AH. Rahapelimarkkinointi yhä aggressiivisempaa – unohtuivatko hyvät periaatteet? YP. Gambling advertising in Finland. Yhteiskuntapolitiikka, YP 2014; 79 (4):438-443.
Source: Williams et al. 2012. The Population Prevalence of Problem Gambling: Methodological Influences, Standardized Rates, Jurisdictional Differences, and Worldwide Trends 2012. Report prepared for the Ontario Problem Gambling Research Centre and The Ontario Ministry of Health and Long Term Care.
• Past-year population prevalence, Finns aged 15-74 yrs– Any gambling 80% – At-risk and problem gambling (SOGS = 1+) 18.3%– Problem gambling (SOGS = 3+) 3.3%– Probable PGs (SOGS =5+) 1.3%
• Gambling in 2011 and 2015– Gambling increased among 18-24 & 65-74-year-olds– Problem gambling among women increased– ARPG increased
Salonen A. & Raisamo S. (2015) Suomalaisten rahapelaaminen 2015. Rahapelaaminen, rahapeliongelmat ja rahapelaamiseen liittyvät asenteet ja mielipiteet 15–74-vuotiailla. [Finnish gambling 2015. Gambling, gambling problems, and attitudes and opinions on gambling among Finns aged 15–74.] National Institute for Health and Welfare (THL). Report 16/2015.
• Continuing the existing reviews stating: There is a lack of valid/reliable instruments to assess ARPG among youth– Stichfield R. A critical review of adolescent problem gambling
assessment instruments. Int J Adolesc Med Health 2010;22:77-93.– Blinn-Pike A, Worthy SL, Jonkman JN. Adolescent gambling: A review of
an emerging field of research. J Adolesc Health 2010: 47:223-236.
• Preliminary plan: a population study for Finnish youth– to measure ARPG with the most reliable and valid instrument(s)– utilize register data and longitudinal design
• to clarify which instruments measuring ARPG among youth are the most reliable and valid for both population-based and clinical studies in light of reported estimates of internal consistency, classification accuracy and psychometric properties.
• to identify the most suitable instruments presently available and provide insight on what brances of the field require further investigation.
• The data search was categorized using Cochraine handbook guidelines (PICOS) for formulating review questions and inclusion criteria.– P = Patient, i.e. population– I = Intervention, i.e. instrument– C = Comparator, i.e. reference instrument– O = Outcome, i.e. reliability.
• A structured electronic search was conducted Nov 2014 according to methods recommended in the PRISMA statement in Medline, Pub Med, PsycInfo databases covering articles between 2009-2014.
• Database searches were updated in November 2015.
PHASE IExclusion criteria for the abstracts (n = 822)
1. Non-gambling related reseach topic2. Sample age over 28 years of age3. No gambling instrument employed4. Case study, commentary, editorial or letter5. Other (specification required)
The joint probability of agreement between the researchers were 90% for the exclusion of based on the abstracts.
Quality assessment of included articles (n = 50)• The revised Quality Assessment of Diagnostic Accuracy
Studies tool (QUADAS-2)– The risk of bias of articles.– The applicability of articles.
• QUADAS-2 was tailored for our review, tested on a subsample of articles and modified to ensure unambiguous assessment between researchers.
• An important change was omitting the evaluation of risk of bias regarding reference standard, because both the index test and reference standard (if measured) were applied identically within a gambling context.
• Information pertaining to the reference standard was inferred from the applicability assessment.
RESULTSReliability estimates will be reported (Forthcoming)
• SOGS-RA (the South Oaks Gambling Screen Revised for Adolescents)
• DSM-IV-J (the Diagnostic Statistical Manual IV adapted for Juveniles)
• DSM-IV-MR-J (the Diagnostic Statistical Manual IV (Multiple Response format) adapted for Juveniles)
• MAGS (the Massachusetts Gambling Screen)• CAGI (the Canadian Adolescent Gambling Screen)¹• GABSA (the Gambling Addictive Behaviour Scale for
Adolescents)Both GAGI and MAGS were included to complement the reviews by Stichfield (2010) and Blinn-Pike et al. (2010)¹GAGI - Unpublished report- not an article ²MAGS – not strictly an adolescent instrument
Sari Castrén Ph.D.Senior ResearcherClinical psychologistNational Institute for Health and Welfare, Tobacco, Gambling and AddictionClinicum, Internal Medicine, University of Helsinki and Helsinki University Hospital Finland