Table 1.
Risk factors for conviction over two years for patients discharged from medium secure units in England and Wales (n=959)
| Variable | Total | No convicted | Odds ratio*(95% CI) |
|---|---|---|---|
| Sex: | |||
| Male | 843 | 135 | 1 |
| Female | 116 | 10 | 1.20 (0.5 to 2.87) |
| Ethnic group: | |||
| White | 674 | 94 | 1 |
| Black | 204 | 37 | 1.69 (0.94 to 3.02) |
| Other | 81 | 14 | 1.72 (0.80 to 3.66) |
| Length of stay: | |||
| ≤540 days (75th centile) | 719 | 131 | 1 |
| >540 days | 240 | 14 | 0.37 (0.17 to 0.78) |
| History of self harm: | |||
| No | 525 | 94 | 1 |
| Yes | 397 | 43 | 0.48 (0.29 to 0.78) |
| History of alcohol or drug problem: | |||
| No | 348 | 24 | 1 |
| Yes | 584 | 118 | 2.20 (1.27 to 3.81) |
| History of sexual abuse: | |||
| No | 788 | 112 | 1 |
| Yes | 134 | 21 | 2.13 (1.06 to 4.30) |
| Index offence: | |||
| None | 148 | 15 | 1 |
| Violent | 419 | 53 | 0.42 (0.17 to 1.00) |
| Property | 147 | 49 | 0.95 (0.36 to 2.48) |
| Sexual | 71 | 8 | 0.31 (0.09 to 1.08) |
| Other | 167 | 19 | 0.19 (0.07 to 0.55) |
| Previous convictions: | |||
| 0 | 251 | 7 | 1 |
| 1 | 71 | 9 | 3.60 (1.28 to 10.30) |
| 2-5 | 242 | 35 | 3.44 (1.47 to 8.01) |
| 6-10 | 134 | 25 | 3.68 (1.41 to 9.63) |
| >10 | 213 | 64 | 6.83 (2.66 to 17.53) |
| Lost contact with services: | |||
| No | 800 | 105 | 1 |
| Yes | 143 | 40 | 2.16 (1.22 to 3.81) |
*
Odds ratios of conviction over two years are adjusted for all other variables included in the model.