Table 1. Comparison of demographic data and Chapman scale scores for schizophrenia patients, first-degree relatives, and college students.
| Variable | Schizophrenia patients (n=196) mean (s.d.) | First-degree relatives (n=197) mean (s.d.) | College students (n=1724) mean (s.d.) | χ 2 /F | P |
|---|---|---|---|---|---|
| Gender (male/female) | 101/95 | 84/113 | 645/1079 | 15.79 | <0.001 |
| Age (years) | 43.31 (9.61) | 61.72 (16.2) | 18.81 (0.83) | 5,916.53 | <0.001 |
| Education (years) | 11.64 (2.62) | 10.73 (3.57) | 12.31 (0.73) | 105.38 | <0.001 |
| PER | 9.36 (7.95) | 7.25 (7.69) | 6.93 (5.85) | 13.27 | <0.001 |
| MIS | 10.87 (5.80) | 8.72 (5.24) | 12.01 (4.73) | 42.46 | <0.001 |
| RSAS | 16.22 (6.88) | 12.20 (6.19) | 8.17 (4.42) | 277.74 | <0.001 |
| RPAS | 24.74 (10.30) | 21.46 (8.40) | 15.45 (7.26) | 166.70 | <0.001 |
Abbreviations: MIS, magical ideation scale; PER, perceptual aberration; RPAS, revised physical anhedonia scale; RSAS, revised social anhedonia scale.
Higher scores indicate greater levels of the schizotypal trait.