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School-based multiple risk behaviour interventions to prevent tobacco use — evidence summary
Summary of the evidence
A recent systematic review (MacArthur et al 2018) of 70 RCTs addressing two or more risk behaviours (with a follow-up period of at least six months) and targetting children up to 18 years of age, found that:
universal school-based multiple risk behaviour interventions were beneficial in preventing tobacco use (OR 0.77, 95% CI 0.60 to 0.97; n=9 studies; 15,354 participants) at up to 12 months' follow-up.
Note: this evidence summary is only valid for the outcomes, target groups, settings and substances/patterns of use described below.