Offending rates for “Scared Straight” or other juvenile awareness programmes v no treatment in high risk children at 3–24 months*
| Weighted event rates | |||||
|---|---|---|---|---|---|
| Trials | Number of trials | Programme | Control | RRI (95% CI) | NNH (CI) |
| *Abbreviations defined in glossary; weighted event rates, RRI, NNH, and CI calculated from data in article using a random effects model. | |||||
| All | 7 | 38% | 27% | 33% (3 to 71) | 10 (6 to 40) |
| Excluding trial with randomisation problems | 6 | 36% | 29% | 22% (2 to 46) | 16 (8 to 250) |
| Excluding trial with potential for large attrition | 6 | 44% | 30% | 43% (4 to 96) | 8 (5 to 24) |