Table 1.
Characteristics of comparison group and schizophrenic subjects
| Comparison (n = 150) | Schizophrenia (n = 148) | Significances | |
|---|---|---|---|
| Age (years) | 36.6 ± 11.5 (20–64) | 40.0 ± 14.0 (20–77) | t296 = −2.230, P < 0.05a |
| Sex (male/female) | 39/111 | 65/83 | x2(1) = 10.528, P < 0.01b |
| Level of education (years) | 13.9 ± 2.1 (9–19) | 12.6 ± 1.8 (7–17) | t286 = 5.585, P < 0.001a |
| Level of premorbid intelligence | 99.9 ± 7.5 | 99.9 ± 8.1 | t296 = 0.046, P = 0.963a |
| Age of onset | – | 27.1 ± 10.7 (12–64) | |
| Duration of illness (years) | – | 13.0 ± 12.9 (0–56) | – |
| Duration of treatment (years) | – | 11.1 ± 12.8 (0–56) | – |
Notes: Data show mean ± standard deviation (range).
a
t-test was used;
b
Chi-square test was used.