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 | FPI | Control | RRR (95% CI) | NNT (CI) |
| Subsequent arrest | 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. †Weighted mean difference in days. ‡Standardised mean difference in delinquency scores. | ||
| Time in institutions† | FPI v control | −51 (−73 to −30) |
| Self reported delinquency‡ | FPI v control | −0.4 (−0.7 to −0.2) |