Table 1.
Demographic Information on Psychosis Cases and Controls and on Psychosis Patients Stratified by Diagnosis of Nonaffective or Affective Psychosis (Diagnostic Information Was Missing on 6 Patients)
| Control, Mean (SD) | All Psychosis, Mean (SD) | Nonaffective Psychosis, Mean (SD) | Affective Psychosis, Mean (SD) | T or χ2 | df | P | |
| Age (y) | 24.5 (4.7) | 23.3 (5.4) | 23.6 (5.6) | 24.2 (1.1) | 1.6 | 224 | .1 |
| NART | 112 (13) | 109 (8) | 108 (8.2) | 111 (7.8) | 1.9 | 175 | .1 |
| Gender | 72 Men, 35 women | 88 Men, 31 women | 63 Men, 19 women | 20 Men, 11 women | 1.2 | 1 | .3 |
| PANSS positive | N/A | 16.9 (6.2) | 18.4 (6.2) | 13.6 (5.2) | |||
| PANSS negative | N/A | 14.5 (6.6) | 15.4 (6.7) | 12.2 (6.0) |
Note: Also shown are statistical comparisons of psychosis patients vs controls in age, National Adult Reading Test Score, and gender.