Table 1.
Demographics in the case participants, relatives and controls
| Case participants | Relatives | Controls | |
|---|---|---|---|
| Age, years: mean(s.d.) | 33.8 (10.2) | 44.8 (15.5) | 40.2 (14.3) |
| Gender, female: n (%) | 386 (33) | 343 (62) | 763 (52) |
| Case participants, subdiagnosis groups, n (%) | |||
| Schizophrenia | 733 (62.8) | ||
| Schizoaffective | 59 (5.1) | ||
| Bipolar disorder | 109 (9.3) | ||
| Brief psychotic disorder | 43 (3.7) | ||
| Delusional disorder | 19 (1.6) | ||
| Drug-induced psychosis | 7 (0.6) | ||
| Schizophreniform disorder | 94 (8) | ||
| Psychotic disorder not otherwise specified | 104 (8.9) | ||
| Total n | 1168 | 552 | 1472 |