Table 1.
Distribution of the characteristics of schizophrenic patients (cases) and healthy subjects (controls).
| Characteristics | Cases (N a = 95) | Controls (N = 95) | p b |
|---|---|---|---|
| Age (years) | |||
| <25 | 19 (20.0) | 32 (33.7) | 0.180 |
| 25–30 | 33 (34.7) | 27 (28.4) | |
| 30–35 | 22 (23.2) | 16 (16.8) | |
| >35 | 21 (22.1) | 20 (20.1) | |
| Sex | |||
| Male | 41 (43.2) | 49 (51.6) | 0.309 |
| Female | 54 (56.8) | 46 (48.4) | |
| BMI (kg/m2) | |||
| <18.5 | 5 (5.3) | 2 (2.2) | 0.719 |
| 18.5–24.9 | 57 (60.0) | 57 (61.3) | |
| 25–29.9 | 27 (28.4) | 27 (29.0) | |
| ≥30 | 6 (6.3) | 7 (7.5) | |
| Marital status | |||
| Single | 73 (76.8) | 45 (47.4) | <0.001 |
| Married | 22 (23.2) | 50 (52.6) | |
| Education level | |||
| Elementary school or below | 23 (24.2) | 25 (26.3) | 0.305 |
| Junior high school | 43 (45.3) | 42 (44.2) | |
| High school | 16 (16.8) | 22 (23.2) | |
| College or above | 13 (13.7) | 6 (6.3) | |
| Active smoking | |||
| No | 70 (73.7) | 73 (76.8) | 0.717 |
| Yes | 25 (26.3) | 22 (23.2) | |
| Drinking | |||
| No | 88 (92.6) | 82 (86.3) | 0.237 |
| Yes | 7 (7.4) | 13 (13.7) | |
a Number of subjects. b Pearson’s chi-square test.