Predictors of suicide mortality among persons who contacted specialised gender identity units at age less than 23 years
| Model 1. Group membership, registered sex, birth year | P value | Model 2. Group membership, registered sex, birth year and contact with specialist-level psychiatric care | P value | |
| HR (95% CI) | HR (95% CI) | |||
| Group | ||||
| Controls | Ref | Ref | ||
| Gender-referred | 4.3 (1.7 to 10.7) | 0.002 | 1.8 (0.6 to 4.8) | 0.3 |
| Registered sex male | 3.0 (1.1 to 8.2) | 0.04 | 3.8 (1.4 to 10.5) | 0.01 |
| Later birth year | 0.9 (0.8 to 1.0) | 0.02 | 0.9 (0.8 to 1.0) | 0.01 |
| Contacts to specialist-level psychiatric care | – | – | – | |
| None | Ref | |||
| 1–5 | 1.3 (0.2 to 10.7) | 0.8 | ||
| 6–25 | 3.9 (1.0 to 16.0) | 0.06 | ||
| 26–100 | 5.6 (1.5 to 21.0) | 0.01 | ||
| 101+ | 11.1 (3.2 to 38.3) | <0.001 |
p-values statistically significant at level <0.01 are highlighted in bold