| Baseline self-harm category | No. of events recorded after release; no. (%) of participants | HR (95% CI) | Adjusted HR (95% CI)* | |
|---|---|---|---|---|
| 0 | ≥ 1 | |||
| True positive (n = 64) | 35 (54.7) | 27 (42.2) | 10.6 (6.5-17.2) | 6.2 (3.5-10.8) |
| False negative (n = 106) | 82 (77.4) | 24 (22.6) | 5.8 (3.5-9.5) | 4.0 (2.3-7.0) |
| Unconfirmed positive (n = 122) | 101 (82.8) | 19 (15.6) | 3.4 (2.0-5.9) | 2.2 (1.2-4.1) |
| Unconfirmed negative (n = 1023) | 965 (94.3) | 53 (5.2) | Reference | Reference |
Note: CI = confidence interval, HR = hazard ratio.
*Adjusted for sex, age, Indigenous status, relationship status, years of education, sexual identity, Queensland Corrective Services self-harm risk flag, prior suicide attempt, lifetime history of mental disorder and violent offence.