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Is there a specificity regarding young occasionnal cannabis users ? Data ESPAD 2003. Caroline Huas UFR Paris VII Marie Choquet Inserm U669-Psigiam Paris- France. ESPAD 2003 ( European school survey on alcohol and other drugs). 35 countries, cross sectionnal survey
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Is there a specificity regarding young occasionnal cannabis users ?Data ESPAD 2003 Caroline Huas UFR Paris VII Marie Choquet Inserm U669-Psigiam Paris- France C. Huas, M. Choquet EGPRN 2006
ESPAD 2003 ( European school survey on alcohol and other drugs) 35 countries, cross sectionnal survey • Representative sample of 16 years old • Self multi-choice questionnaire In France, cross-sectionnal survey • Self multi-choice questionnaire • 12-19 years old • 398 schools (junior high, high & vocational school) N = 16 532 INSERM (Choquet, Hassler, Morin) et OFDT (Beck, Spilka, Legleye) C. Huas, M. Choquet EGPRN 2006
Cannabis use in EuropeProportion of all students who have used cannabis during the last 30 days Espad 2003 Hibell et al. 2004 < 2 % 3-5 % 6-10 % 11-17 % > 18 % C. Huas, M. Choquet EGPRN 2006
50 50 40 40 30 30 20 20 10 10 0 0 1993 1995 1997 1999 2001 2003 1993 1995 1997 1999 2001 2003 14-15 years old 16-17 years old 14-15 years old 16-17 years old Cannabis use in France Lifetime prevalence Boys Girls C. Huas, M. Choquet EGPRN 2006
Objectives > Occasional user 1-5/ last 30 days > Regular user 6 +/ last 30 days > Non user none/ last 30 days • Are current occasional cannabis users different from current non users ? • Are current regular cannabis users different from current occasional users ? • What is the link between cannabis use and tobacco use? Analysis with SAS software C. Huas, M. Choquet EGPRN 2006
Included Variables N=19 > Family structure, educationnal level of father/mother > School truancy, average grade, to like school*, to have repeated a year* > Depressive mood (Kandel scale), Lifetime : suicide attempt, sexual assault* & run away* And during the 12 last months : suicidal feeling, violent behavior > Satisfaction on relationships with father/mother & friends * Only in the french version C. Huas, M. Choquet EGPRN 2006
Boys Girls Cannabis use N=16 532 Lifetime prevalence % 80 Average years of onset B 14,0 years G 14,5 years 60 40 20 0 age 12 13 14 15 16 17 18 C. Huas, M. Choquet EGPRN 2006
% % 30 30 20 20 10 10 0 0 12 13 14 15 16 17 18 Boys Girls 12 13 14 15 16 17 18 Cannabis use 1-5 / last 30 days users (occasional) 6+ / last 30 days users (regular) age C. Huas, M. Choquet EGPRN 2006
School truancy Average grade < 12 Bad relationship with mother Depressive mood Suicide attempt Violent behaviors > 4 Sexual assault Blended family Characteristics of 1-5 / 30 dayscannabis users (vs non-users, OR (IC95%) adjusted on gender & age) 8 1 2 3 4 5 6 7 C. Huas, M. Choquet EGPRN 2006
1 2 3 4 5 6 7 8 School truancy Average grade < 12 Bad relationship with mother Depressive mood Suicide attempt Violent behaviors > 4 Sexual assault Blended family Characteristics of cannabis regular users6+ /30 days(vs occasionnal users, OR (IC 95%) adjusted on age & gender) C. Huas, M. Choquet EGPRN 2006
Link cannabis-tobacco Cannabis use / 30 days OR adjustedon gender, age & alcohol use / 30 days ***=p<0,001 C. Huas, M. Choquet EGPRN 2006
Conclusion Even… 1-5 /last 30 days users (« once a week ») … are « high risk »adolescents. • Cannabis is not « leisure » drug … … whatever the consumption level C. Huas, M. Choquet EGPRN 2006
GP and adolescents In France • 90 % of youngsters consult a GP at least 1/year • GP should ask the question on substance use Occasional cannabis use ?Be attentive !! Daily tobacco use ? Be careful, more than half of them are cannabis users !! WHAT ABOUT YOUR COUNTRY ? NOW AND IN THE FUTURE ? C. Huas, M. Choquet EGPRN 2006