Table 1.
Demographic variables.
| Variable | SCZ | FEP | CON | ||||
|---|---|---|---|---|---|---|---|
| Demographics | Mean | SD | Mean | SD | Mean | SD | p value |
| Age (years) | 39.92 | 11.24 | 26.5 | 8.84 | 42.78 | 12.08 | < .001 |
| Gender (% male) | 70.8 | 50 | 50 | .22 | |||
| Ethnicity (% Caucasian) | 50 | 38.9 | 36.1 | .17 | |||
| Personal Education (years) | 13.04 | 1.73 | 13.61 | 2.87 | 14.11 | 2.3 | .59 |
| Mother Education | 13.14 | 4.02 | 13.28 | 4.6 | 12.53 | 4.51 | .80 |
| Father Education | 13.84 | 3.45 | 14.24 | 3.98 | 12.36 | 4.35 | .23 |
| Estimated IQ (Shipley-2) | 88.68 | 18.05 | 94.82 | 21.84 | 93.76 | 13.37 | .45 |