What do systematic reviews say?

Behavioural intervention vs minimal control

It is very uncertain whether behavioural interventions changes interventions with multiple delivery methods vs control Smoking… compared with minimal control (very low certainty).

• Tobacco cessation interventions for young people 2017 · Cochrane Headline outcomes only
  RR 1.26 [0.95, 1.66]
  8 studies · 2755 participants
  Very low