Table 1.
Participant Characteristics
| Characteristic | SZ | HC | Group Comparisons |
|---|---|---|---|
| N | 126 | 122 | |
| Age | 42.62 (10.86) | 41.40 (11.46) | t = −0.86, P = .39 |
| Education years completed | 12.63 (2.25) | 14.87 (2.07) | t = 8.08, P < .01 |
| Maternal education | 13.17 (2.92) | 13.74 (2.39) | t = 1.63, P = .10 |
| Paternal education | 13.74 (3.67) | 13.54 (3.05) | t = −0.45, P = .65 |
| Gender (% male) | 66 | 60 | χ2 = 2.76, P = .25 |
| Race (% Caucasian) | 59 | 57 | χ2 = 0.00, P = .95 |
| Cognitive performance | |||
| WASI | 95.98 (14.21) | 115.19 (11.20) | t = 11.49, P < .001 |
| WRAT | 94.99 (13.17) | 106.70 (13.52) | t = 6.71, P < .001 |
| WTAR | 97.93 (15.41) | 109.72 (12.58) | t = 6.43, P < .001 |
| MCCB | 29.73 (13.33) | 52.18 (10.72) | t = 14.46, P < .001 |
Note: WASI, Wechsler Abbreviated Scale of Intelligence; WRAT, Wide Range Achievement Test Reading subtest; WTAR, Wechsler Test of Adult Reading; MCCB, MATRICS Consensus Cognitive Battery composite score.