Findings

What do systematic reviews say?

188 questions · 189 findings · 28 reviews · Headline outcomes only

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No studies found 56 · 29.6%GRADE not reported 4 · 2.1%Very low 39 · 20.6%Low 49 · 25.9%Moderate 36 · 19%High 5 · 2.6%

Intervention not reported

Alcohol use · children and young people aged 0 to 18 years

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

1 finding from 1 review

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

Cannabis use · children and young people aged 0 to 18 years

The intervention showed no clear difference in cannabis use (low certainty).

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 1.02 [0.52, 2.02]
3 studies · 380 participants
Low

Intervention not reported

Illicit drug use · children and young people aged 0 to 18 years

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

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.74 [0.42, 1.31]
1 study · 69 participants
Moderate

Intervention not reported

Alcohol use · children and young people aged 0 to 18 years

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

1 finding from 1 review

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

Antisocial behaviour · children and young people aged 0 to 18 years

The intervention showed no clear difference in antisocial behaviour (moderate certainty).

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.84 [0.57, 1.24]
5 studies · 772 participants
Moderate

Intervention not reported

Sexual risk behaviour · children and young people aged 0 to 18 years

The intervention showed no clear difference in sexual risk behaviour (moderate certainty).

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.89 [0.55, 1.44]
3 studies · 371 participants
Moderate

Intervention not reported

Physical activity · children and young people aged 0 to 18 years

The intervention showed no clear difference in physical activity (moderate certainty).

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.72 [0.29, 1.79]
1 study · 61 participants
Moderate

Intervention not reported

Tobacco use · children and young people aged 0 to 18 years

The review found no eligible studies for this question.

1 finding from 1 review

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

Alcohol use · children and young people aged 0 to 18 years

The review found no eligible studies for this question.

1 finding from 1 review

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

Cannabis use · children and young people aged 0 to 18 years

The review found no eligible studies for this question.

1 finding from 1 review

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

Illicit drug use · children and young people aged 0 to 18 years

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

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.75 [0.53, 1.06]
3 studies · 2454 participants
Moderate

Intervention not reported

Antisocial behaviour · children and young people aged 0 to 18 years

The intervention showed no clear difference in antisocial behaviour (moderate certainty).

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.78 [0.59, 1.05]
3 studies · 1531 participants
Moderate

Intervention not reported

Sexual risk behaviour · children and young people aged 0 to 18 years

The review found no eligible studies for this question.

1 finding from 1 review

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

Physical activity · children and young people aged 0 to 18 years

The review found no eligible studies for this question.

1 finding from 1 review

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

Cannabis use · children and young people aged 0 to 18 years

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

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 1.1 [0.69, 1.76]
2 studies · 126 participants
Moderate

Intervention not reported

Tobacco use · children and young people aged 0 to 18 years

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

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.77 [0.6, 0.97]
9 studies · 15354 participants
Moderate

Intervention not reported

Alcohol use · children and young people aged 0 to 18 years

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

1 finding from 1 review

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

Intervention not reported

Cannabis use · children and young people aged 0 to 18 years

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

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.79 [0.62, 1.01]
5 studies · 4140 participants
Moderate

Intervention not reported

Illicit drug use · children and young people aged 0 to 18 years

The intervention showed no clear difference in illicit drug use (low certainty).

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.73 [0.5, 1.07]
5 studies · 10266 participants
Low

Intervention not reported

Antisocial behaviour · children and young people aged 0 to 18 years

It is very uncertain whether the intervention changes antisocial behaviour (very low certainty).

1 finding from 1 review

Individual‐, family‐, and school‐level interventions targeting multiple risk behaviours in young people 2018 · Cochrane Headline outcomes only
OR 0.79 [0.64, 0.97]
11 studies · 17722 participants
Very low