Family and parenting interventions (FPI) v usual care or no intervention (control) for youths with conduct disorder or delinquency*
| Weighted event rates | ||||
|---|---|---|---|---|
| Outcomes at 6 months to 3 years(number of trials, participants) | FPI | Control | RRR (95% CI) | NNT (CI) |
| Subsequent arrest(5 trials, n=486) | 44% | 65% | 34% (2 to 56) | 5 (3 to 50) |
| Comparison | Mean difference (CI) | |
|---|---|---|
| *Abbreviations defined in glossary; RRR, NNT, and CI calculated from data in article. All analyses used a random effects model. | ||
| †Weighted mean difference. | ||
| ‡Standardised mean difference in delinquency scores. | ||
| Mean time in institutions (days) (4 trials, n=379) | FPI v Control | –51 (–73 to –30)† |
| Self reported delinquency (3 trials, n=275) | FPI v Control | –0.41 (–0.65 to –0.17)‡ |
