A Systematic Review Of School-Based Marijuana

Summary

This review concluded that comprehensive intervention programmes that included anti-drug information with refusal skills, self-management skills and social skills training were the most effective programmes for long-term reduction of marijuana and alcohol use in adolescents (10 to 15 years). Variation between studies and the risk of missing data suggested that the author's conclusions may not be reliable.

Authors' objectives

To determine the effectiveness of school-based marijuana and alcohol prevention programmes for the prevention of marijuana and alcohol use in adolescents (10 to 15 years).

Study selection

Randomised controlled trials (RCTs), prospective cohort studies and longitudinal studies that assessed the ...