Table 2 Basic demographic and clinical information of schizophrenia patients.
Group | Birth year | No. of schizophrenia cases | No. (%) of men | No. (%) of Han | Education level I | Education level II | No. (%) of married | No. (%) of employed | Age of onset | No. (%) of familial casesa |
|---|---|---|---|---|---|---|---|---|---|---|
Infant exposure group | August, 1972– July, 1976 | 2786 | 1233 (44.3) | 2733 (98.1) | 979 (35.1) | 1588 (57.0) | 1482 (53.2) | 2030 (72.9) | 27.03 ± 7.14 | 422 (15.1) |
Fetal exposure group | August, 1976– May, 1977 | 663 | 322 (48.6) | 650 (98.0) | 232 (35.0) | 374 (56.4) | 369 (55.7) | 450 (67.9) | 25.85 ± 6.65 | 98 (14.8) |
Unexposed group | June, 1977– May, 1981 | 2975 | 1429 (48.0) | 2906 (97.7) | 937 (31.5) | 1770 (59.5) | 1837 (61.7) | 2031 (68.3) | 25.54 ± 6.31 | 454 (15.3) |