Table 1 Characteristics of the population-wide cohort of individuals with schizophrenia and the age and sex-matched controls.
Case 2012 (N = 5432) | Matched (N = 10864) | |
|---|---|---|
Sex | ||
Female | 2395 | 5127 |
Male | 3037 (56%) | 5737 (53%) |
Age | ||
10–20 | 61 (1.1%) | 135 (1.2%) |
20–25 | 781 (14%) | 1560 (14%) |
25–30 | 2062 (38%) | 4043 (37%) |
30–36 | 2528 (47%) | 5126 (47%) |
Relative risk | |||||
|---|---|---|---|---|---|
Comorbid psychiatric diagnosesa | 4456 (82%) | 1277 (12%) | 7.0 (6.6–7.4) | ||
F10-F19 | F10-F19 | Mental and behavioral disorders due to psychoactive substance useb | 2121 (39%) | 227 (2.1%) | 18.7 (16.4–21.3) |
F40-F43.1 | F40-F43.1 | Neurotic disorders | 1166 (22%) | 368 (3.4%) | 6.3 (5.7–7.1) |
F50 | F50 | Eating disorders | 370 (6.8%) | 120 (1.1%) | 6.2 (5.0–7.6) |
F60 | F60 | Specific personality disorders | 1609 (30%) | 295 (2.7%) | 10.9 (9.7–12.3) |
F70-F79 | F70-F79 | Mental retardation | 333 (6.1%) | 57 (0.5%) | 11.7 (8.8–15.4) |
F84 | F84 | Pervasive developmental disorders | 389 (7.2%) | 101 (1.0%) | 7.7 (6.2–9.6) |
F90-F98 | F90-F98 | Behavioral and emotional disorders with onset usually occurring in childhood and adolescencec | 1138 (21%) | 379 (3.5%) | 6.0 (5.4–6.7) |
First non-F20 diagnosis before schizophrenia diagnosis | 3790 (70%) | – | – | ||
