Table 5.
Methodological characteristics of the included studies (N = 25).
| Coding variable and category | Frequency | % |
|---|---|---|
| Nature of the control group | ||
| Treatment as usual | 6 | 24 |
| No treatment | 19 | 76 |
| Epidemiology | ||
| Intention-to-treat | 10 | 40 |
| Per-protocol analysis | 15 | 60 |
| Type of reoffense* | ||
| Sexual | 19 | 45 |
| General | 12 | 28 |
| Violent/combination | 11 | 26 |
| Follow-up period | ||
| 5 years or less | 15 | 60 |
| More than 5 years | 10 | 40 |
| Source of recidivism data* | ||
| Public/state/national criminal justice records | 1 | 4 |
| Police records | 21 | 84 |
| Combination of sources | 3 | 12 |
| Definition of recidivism* | ||
| Recharge | 7 | 28 |
| Rearrest | 6 | 24 |
| Reconviction | 11 | 44 |
| Lapsed behavior | 1 | 4 |
Note. *Individual comparisons may cover multiple categories.