Nathalie Moreau Anne Hublet

1. Alcohol use in 15-18 yearolds in Belgium. Resultsfrom the Health Behaviour in School-agedChildrenstudy. Nathalie Moreau Anne Hublet

2. Content • Aim and background of the study • Methodology • Results • Descriptives • Alcohol drinking during last 30 days • Early alcohol experimentation • Drunkenness in last 30 days • Early drunkenness experimentation • Binge drinking (FWB) • Conclusions • Strengths and weaknesses

3. Aims • To improve the understanding of young people's health and well-being, health behaviours and their social context • To support actors in youth health promotion with useful data: regional (Flemish and French governments/communities, Flemish Institute for Health Promotion, ...) and international (WHO, Unicef, ...) • To facilitate planning, development and evaluation of policies

4. Background • HBSC initiated in 1982 by Norway, Finland and England • 1983-1984 : 1st survey (5 countries) • 2009-2010 : 8th survey (43 countries/regions in Europe and North America) • 2013-2014 : 9th survey (in full preparation now) • A collaborative project between national research teams, in partnership with WHO • Surveys every 4 years using standard international protocol in all countries

5. Overview of countries in 2009/2010

6. International structure • International Coordinating Centre  • Scientific Development Group   • Methodology Development Group • Policy Development Group

7. Methodology • Standard international protocol • Sampling • Questionnaire (content, translation and sections/questions order) • Survey administration • Data coding and entering • Strict quality controls at each stage

8. Sampling • Target population : school-aged children • Sampled population : • 11, 13 & 15 years old in countries where school system makes it possible • All school-age children from the 5th grade in primary to the last grade in secondary schools in French-speaking Community and Flanders • In French-speaking Community: Sample built in proportion with population size (Provincial level) and school networks (French community, province, municipalities and catholic education network) • In Flanders: probability proportional to size (PPS) = size of schools taken into account. Every pupil has the same chance to be included.

9. Questionnaire • Core questions : • Compulsory (basis of international data) • Optional packages: • In-depth specific areas • Opportunity to insert local questions (not in the protocol) • Self-administered in class under supervision of a school staff

10. HBSC 2010 Results

11. Results • Alcohol drinking in last 30 days • Type of alcoholic drink • Alcohol initiation • Drunkenness in last 30 days • Drunkenness initiation • Binge drinking (only FWB)

12. HBSC 2010 - Sample

15. HBSC 2010 ALCOHOL DRINKING DURING LAST 30 DAYS- Results

16. Alcohol drinking during the last 30 days

19. Type of drinking at least once a week

20. Alcoholdrinkingduring the last 30 days : Associatedfactors

21. Alcohol drinking during the last 30 days

22. Alcohol drinking during the last 30 days

23. Alcohol drinking during the last 30 days

24. Alcohol drinking during the last 30 days

25. Alcohol drinking during the last 30 days

26. HBSC 2010 EARLY alcoholexperimentation- Results

27. Alcohol initiation

28. Earlyalcoholexperimentation: Associatedfactors

29. Early alcohol initiation (≤13 year old)

30. Early alcohol initiation (≤13 year old)

31. Early alcohol initiation (≤13 year old)

32. Early alcohol initiation (≤13 year old)

33. Early alcohol initiation (≤13 year old)

34. HBSC 2010 Drunkenness - Results

35. Drunkenness during the last 30 days

38. Drunkennessduring the last 30 days: Associatedfactors

39. Drunkenness during the last 30 days

40. Drunkenness during the last 30 days

41. Drunkenness during the last 30 days

42. Drunkenness during the last 30 days

43. Drunkenness during the last 30 days

44. Drunkenness during the last 30 days

45. HBSC 2010 EARLY Drunkennessexperimentation- Results

46. Drunkenness initiation

49. EarlyDrunkennessexperimentation: Associatedfactors

50. Early drunkenness experimentation (≤13 year old)