What do systematic reviews say?

Family/parent and adolescent interventions vs adolescent only interventions

• Family‐based prevention programmes for alcohol use in young people 2019 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 915 participants
  Very low

Family/parent and adolescent interventions vs adolescent only interventions

• Family‐based prevention programmes for alcohol use in young people 2019 · Cochrane Headline outcomes only
  no estimate extracted
  4 studies · 5640 participants
  Very low

Parent‐mediated intervention vs control

• Family‐based prevention programmes for alcohol use in young people 2019 · Cochrane Headline outcomes only
  no estimate extracted
  8 studies · 1855 participants
  Very low

Parent‐mediated intervention vs control

• Family‐based prevention programmes for alcohol use in young people 2019 · Cochrane Headline outcomes only
  no estimate extracted
  5 studies · 1825 participants
  Low

Parent‐mediated intervention vs control

• Family‐based prevention programmes for alcohol use in young people 2019 · Cochrane Headline outcomes only
  no estimate extracted
  12 studies · 7490 participants
  Low

Intervention not reported

The intervention showed no clear difference in alcohol use (moderate certainty).

• Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
  OR 0.8 [0.58, 1.11]
  4 studies · 1911 participants
  Moderate

Intervention not reported

The intervention showed no clear difference in alcohol use (moderate certainty).

• Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
  OR 0.83 [0.47, 1.46]
  3 studies · 417 participants
  Moderate

Intervention not reported

The intervention showed no clear difference in alcohol use (moderate certainty).

• Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
  OR 1.02 [0.8, 1.31]
  4 studies · 1204 participants
  Moderate

Intervention not reported

The review found no eligible studies for this question.

• Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Intervention not reported

The intervention probably leads to lower alcohol use (moderate certainty).

• Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
  OR 0.72 [0.56, 0.92]
  8 studies · 8751 participants
  Moderate