Table 1.
Demographic and Clinical Characteristics of Patients
| Total | No Antipsychotic Exposure | Low Antipsychotic Exposure | Moderate Antipsychotic Exposure | High Antipsychotic Exposure | |
|---|---|---|---|---|---|
| n (%) | 21492 | 2077 (10%) | 4110 (19%) | 8468 (39%) | 6837 (32%) |
| Gender | |||||
| Female, n (%) | 8441 (39%) | 696 (34%) | 1780 (43%) | 3472 (41%) | 2494 (36%) |
| Male, n (%) | 13050 (61%) | 1381 (66%) | 2330 (57%) | 4996 (59%) | 4343 (64%) |
| Age, M (SD) | 45.5 (11.1) | 45.3 (11.5) | 46.0 (11.4) | 45.4 (11.2) | 45.2 (10.8) |
| Educational level, n (%) | |||||
| Low (≤9 years) | 7457 (35%) | 640 (31%) | 1224 (30%) | 2809 (33%) | 2784 (41%) |
| Medium (10–12 years) | 11257 (54%) | 1090 (52%) | 2220 (54%) | 4551 (54%) | 3396 (50%) |
| High (≥12 years) | 2310 (11%) | 284 (14%) | 583 (14%) | 963 (11%) | 481 (7%) |
| Information missing | 467 (2%) | 63 (3%) | 83 (2%) | 145 (2%) | 176 (3%) |
| Marital status, n (%) | |||||
| Married or living with a partner | 2782 (13%) | 349 (18%) | 701 (17%) | 1144 (14%) | 588 (9%) |
| Previous treatment contact | |||||
| Outpatient care due to psychosis | 3799 (18%) | 347 (17%) | 902 (22%) | 1665 (20%) | 885 (13%) |
| Previous inpatient care due to psychosis | 11294 (53%) | 946 (46%) | 2042 (50%) | 4544 (54%) | 3763 (55%) |
| In hospital during 2005 due to psychosis | 4267 (20%) | 176 (9%) | 641 (13%) | 1578 (19%) | 1872 (27%) |
| Identified only through disability pension due to schizophrenia | 2131 (10%) | 608 (30%) | 525 (13%) | 681 (8%) | 317 (5%) |
| Months since the first psychosis in the beginning of follow-up | 70.3 (38.4) | 72.8 (40.4) | 64.4 (38.7) | 68.3 (38.0) | 75.5 (38.0) |
| Receiving disability pension in 2005 | 18716 (93%) | 1625 (92%) | 3317 (91%) | 7383 (92%) | 6392 (95%) |
| First-episode patients | |||||
| n (%) | 1230 | 232 (19) | 329 (27) | 329 (27) | 340 (28) |
| Gender | |||||
| Male, n (%) | 806 (66%) | 154 (66%) | 213 (65%) | 201 (61%) | 238 (70%) |
| Female, n (%) | 424 (34%) | 78 (34%) | 116 (35%) | 128 (39%) | 102 (30%) |
| Age, M (SD) | 36.3 (11.7) | 40.2 (12.1) | 36.8 (11.5) | 35.6 (11.4) | 33.8 (11.3) |
Note: The data on chronic patients applies to December 31, 2005, and on first-episode patients, the time when entering into the cohort.