Psychiatric illnesses | Standardized incidence ratioa | 95% CI | P value |
---|---|---|---|
Any psychiatric illnesses | 1.42 | 1.28–1.57 | < 0.001 |
Mood disorders | 1.16 | 1.00–1.34 | 0.047 |
Psychotic disorders | 1.39 | 1.16–1.65 | < 0.001 |
Drug-induced mental disorders | 3.18 | 2.41–4.11 | < 0.001 |
Alcohol-induced mental disorders | 2.98 | 2.30–3.81 | < 0.001 |
Other psychiatric illnesses | 1.13 | 0.85–1.48 | 0.355 |