Life skill and social influence–based interventions to reduce cannabis use

Summary of the evidence

Rating
  • Beneficial

School programmes based on a combination of social competence and social influence approaches were found in a systematic review (Faggiano et al., 2014) to be more effective than usual curricula in:

  • reducing cannabis use at 12+months follow-up (RR 0.83, 95 % CI 0.69 to 0.99, 6 studies, N=26 910);
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