Findings

What do systematic reviews say?

289 questions · 326 findings · 19 reviews · Drugs and Alcohol · Headline outcomes only

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No studies found 13 · 4%GRADE not reported 33 · 10.1%Very low 108 · 33.1%Low 109 · 33.4%Moderate 52 · 16%High 11 · 3.4%

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

Brief intervention vs brief advice, information, or assessment only

Harmful alcohol use · people with hazardous or harmful alcohol consumption

2 findings from 1 review

Psychosocial and pharmacologic interventions to reduce harmful alcohol use in low‐ and middle‐income countries 2023 · Cochrane Headline outcomes only
no estimate extracted
17 studies · 3913 participants
Very low
Psychosocial and pharmacologic interventions to reduce harmful alcohol use in low‐ and middle‐income countries 2023 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 1349 participants
Very low

Brief intervention vs brief advice, information, or assessment only

Retention [ · people with hazardous or harmful alcohol consumption

1 finding from 1 review

Psychosocial and pharmacologic interventions to reduce harmful alcohol use in low‐ and middle‐income countries 2023 · Cochrane Headline outcomes only
no estimate extracted
12 studies · 5380 participants
Very low

Psychosocial interventions vs control

Frequency of alcohol misuse 6 months · Mothers who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 328 participants
Low

Psychosocial interventions vs control

Frequency of alcohol misuse 12 months · Mothers who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 325 participants
Very low

Psychosocial interventions vs control

Frequency of drug use 12 months · Mothers who use substances

2 findings from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 484 participants
Low
Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 373 participants
Very low

Psychosocial interventions vs control

Frequency of alcohol misuse 6 months · Fathers who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 147 participants
Low

Psychosocial interventions vs control

Frequency of alcohol misuse 12 months · Fathers who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 147 participants
Low

Psychosocial interventions vs control

Frequency of drug use 12 months · Fathers who use substances

2 findings from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 141 participants
Low
Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 141 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

Psychosocial interventions vs control intervention

Frequency of alcohol misuse 6 months · Parents who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 475 participants
Moderate

Psychosocial interventions vs control intervention

Frequency of alcohol misuse 12 months · Parents who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 366 participants
Moderate

Psychosocial interventions vs control intervention

Frequency of drug use 12 months · Parents who use substances

2 findings from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
8 studies · 625 participants
Moderate
Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
6 studies · 514 participants
Moderate

Psychosocial interventions WITH child involvement vs control

Frequency of alcohol misuse 6 months · Parents who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 273 participants
Very low

Psychosocial interventions WITH child involvement vs control

Frequency of alcohol misuse 12 months · Parents who use substances

1 finding from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
2 studies · 219 participants
Very low

Psychosocial interventions WITH child involvement vs control

Frequency of drug use 12 months · Parents who use substances

2 findings from 1 review

Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
5 studies · 429 participants
Low
Effectiveness of psychosocial interventions for reducing parental substance misuse 2021 · Cochrane Headline outcomes only
no estimate extracted
4 studies · 373 participants
Very low