Table 1.
Participant characteristics
| SSD dataset | FHR dataset | |||||
|---|---|---|---|---|---|---|
| SSD | Non-SSD | Group difference | FHR | Non-FHR | Group difference | |
| n | 20 | 18 | 20 | 19 | ||
| Age, years | 38.8 (9.7) | 32.4 (12.1) | t(36) = 1.78, P = 0.084 | 27.2 (3.9) | 26.1 (3.9) | t(37) = 0.91, P = 0.367 |
| Sex, male/female (n) | 12/8 | 12/6 | χ2 (1, n = 38) = 0.18, P = 0.671 | 14/6 | 15/4 | χ2 (1, n = 39) = 0.07, P = 0.785 |
| Education, years | 15.0 (2.3) | 14.2 (2.6) | t(36) = 1.00, P = 0.326 | 16.0 (1.5) | 16.3 (0.7) | t(28) = 0.71, P = 0.486 |
| IQ | 108.7 (13.4) | 107.4 (10.7) | t(36) = 0.03, P = 0.763 | 115.6 (10.7) | 118.3 (11.4) | t(35) = 0.76, P = 0.454 |
| PANSS | ||||||
| Positive | 15.6 (5.7) | |||||
| Negative | 11.8 (4.1) | |||||
| Disorganized | 7.6 (4.0) | |||||
| SIPS | ||||||
| Positive | 2.8 (2.5) | 0.1 (0.3) | t(19) = 4.65, P < 0.001 | |||
| Negative | 1.9 (2.0) | 0.1 (0.2) | t(19) = 4.03, P < 0.001 | |||
| Disorganized | 2.1 (1.6) | 0.4 (0.6) | t(24) = 4.44, P < 0.001 | |||
| General | 1.7 (1.7) | 0.2 (0.6) | t(22) = 3.45, P = 0.002 | |||
Values represent M (SD) unless otherwise noted. SIPS = Structured Interview for Prodromal Syndromes.