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 | 2.0 (1.1 to 4.0) | 0.03 | 1.0 (0.5 to 2.0) | 1.0 |
Registered sex male | 2.3 (1.3 to 4.1) | 0.004 | 2.7 (1.5 to 4.9) | 0.001 |
Later birth year | 1.0 (0.9 to 1.1) | 0.9 | 1.0 (0.9 to 1.1) | 0.9 |
Contacts to specialist-level psychiatric care | – | – | ||
None | Ref | |||
1–5 | 2.7 (1.1 to 6.7) | 0.04 | ||
6–25 | 5.7 (2.7 to 11.8) | <0.001 | ||
26–100 | 4.0 (1.7 to 9.4) | 0.001 | ||
101+ | 6.8 (3.0 to 15.4) | <0.001 |
p-values statistically significant at level <0.01 are highlighted in bold