Table 2.
Incidence rate ratios (IRRs) for self-harm and violent criminality at ages 15–35 years, linked with any trauma-related hospital admission before 15th birthday
| People with adverse outcome (n) | Incidence rate per 10 000 person-years | IRR 1*(95% CI) | IRR 2†(95% CI) | ||
|---|---|---|---|---|---|
| Men | |||||
| Self-harm | |||||
| Any trauma-related hospital admission | 1806 | 30·9 | 1·61 (1·53–1·69) | 1·50 (1·42–1·58) | |
| No trauma-related hospital admission (ref) | 8871 | 18·5 | 1·00 | 1·00 | |
| Violent crime conviction | |||||
| Any trauma-related hospital admission | 4306 | 76·0 | 1·58 (1·53–1·63) | 1·49 (1·44–1·54) | |
| No trauma-related hospital admission (ref) | 21 662 | 46·0 | 1·00 | 1·00 | |
| Women | |||||
| Self-harm | |||||
| Any trauma-related hospital admission | 2343 | 58·8 | 1·94 (1·85–2·02) | 1·85 (1·77–1·94) | |
| No trauma-related hospital admission (ref) | 13 028 | 28·4 | 1·00 | 1·00 | |
| Violent crime conviction | |||||
| Any trauma-related hospital admission | 579 | 14·1 | 2·16 (1·97–2·36) | 1·91 (1·73–2·10) | |
| No trauma-related hospital admission (ref) | 2815 | 6·0 | 1·00 | 1·00 | |
*
Adjusted for age band and calendar year period.
†
Adjusted for age band and calendar year period, and also for parental socioeconomic status measured at the 15th birthday.