Findings

What do systematic reviews say?

10 questions · 10 findings · 2 reviews · Drugs and Alcohol · Headline outcomes only

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No studies found 2 · 20%GRADE not reported 0 · 0%Very low 3 · 30%Low 5 · 50%Moderate 0 · 0%High 0 · 0%

Family/parent and adolescent interventions vs adolescent only interventions

Alcohol use prevalence Up to 4 years post intervention impact of family/parent interventions compared to control on the prevalence of alcohol consumption or drunkenness · parents/children

1 finding from 1 review

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

Family/parent and adolescent interventions vs adolescent only interventions

Alcohol frequency Self report questionnaires Medium‐term · parents/children

1 finding from 1 review

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

Parent‐mediated intervention vs control

Alcohol use prevalence Up to 4 years post intervention impact of family/parent interventions compared to control on the prevalence of alcohol consumption or drunkenness · parents/children

1 finding from 1 review

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

Parent‐mediated intervention vs control

Alcohol frequency Self report questionnaires Medium‐term · parents/children

1 finding from 1 review

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

Alcohol use volume Up to 4 years post intervention impact of family/parent interventions compared to control on the volume of alcohol consumption or drunkenness · parents/children

1 finding from 1 review

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

Family/parent and adolescent interventions vs adolescent only interventions

Adverse events · parents/children

The review found no eligible studies for this question.

1 finding from 1 review

Family‐based prevention programmes for alcohol use in young people 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Parent‐mediated intervention vs control

Adverse events · parents/children

The review found no eligible studies for this question.

1 finding from 1 review

Family‐based prevention programmes for alcohol use in young people 2019 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Multi‐systemic therapy involving family vs group substance abuse therapy

Arrests · drug‐using adolescents with co‐occurring mental health problems

1 finding from 1 review

Interventions for drug‐using offenders with co‐occurring mental health problems 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 112 participants
Low

Multi‐systemic therapy involving family and juveniles vs treatment

Drug dependence · drug‐using offenders with co‐occurring mental health problems

1 finding from 1 review

Interventions for drug‐using offenders with co‐occurring mental health problems 2019 · Cochrane Headline outcomes only
no estimate extracted
1 study · 156 participants
Low

Multi‐systemic therapy involving family and juveniles vs treatment

Arrested · drug‐using offenders with co‐occurring mental health problems

Multi‐systemic therapy involving family and juveniles showed no clear difference in arrested assessed by corroborating with police data compared with treatment (low certainty).

1 finding from 1 review

Interventions for drug‐using offenders with co‐occurring mental health problems 2019 · Cochrane Headline outcomes only
RR 0.97 [0.7, 1.36]
1 study · 158 participants
Low