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
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
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 (low certainty).
1 finding from 1 review
Intervention not reported
Physical activity · children and young people aged 0 to 18 years
The intervention probably leads to higher physical activity (moderate certainty).
1 finding from 1 review
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
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
Intervention not reported
Vehicle‐related risk behaviour · children and young people aged 0 to 18 years
It is very uncertain whether the intervention changes vehicle‐related risk behaviour (very low certainty).
1 finding from 1 review
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
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
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Tobacco use · children and young people aged 0 to 18 years
The intervention showed no clear difference in tobacco use (low certainty).
1 finding from 1 review