Table 2.
Demographics, psychopathology, IQ, and social cognition.
| Schizophrenia (N = 24) | Healthy controls (N = 25) | Statistics | P | |
|---|---|---|---|---|
| Age, mean (95% CI) | 25.21 (23.35, 27.07) | 24.6 (22.78, 26.42) | z = -0.62 | 0.531 |
| Females, N (%) | 7(39) | 11(61) | Chi2(1) = 1.16 | 0.282 |
| Years of education,mean (95% CI) | 15.9 (14.91, 16.89) | 14.60 (13.59, 15.62) | z = 1.61 | 0.111 |
| Current occupation, N (%) | Chi2(5) = 18.06 | 0.0032(0.001)3 | ||
| Unemployed | 6(25) | 1(4) | ||
| Work | 7(29) | 5(20) | ||
| Student | 5(21) | 19(76) | ||
| Sick leave | 3(13) | 0(0) | ||
| Pension | 1(4) | 0(0) | ||
| Other | 2(8) | 0(0) | ||
| SANS, mean (95% CI) | 8.17 (7.02, 9.31) | 1.32 (0.20, 2.44) | z = -5.55 | <0.00011 |
| SAPS, mean (95% CI) | 7.08 (5.97, 8.20) | 0.28 (-0.81, 1.37) | z = -5–54 | <0.00011 |
| PSP | 55.03 (48.93, 61.23) | 86.32 (83.20, 89.44) | t(34) = 9.37 | <0.0014 |
| GAF-F | 56.39 (51.78, 61.00) | 86.56 (82.14, 90.98) | z = 5.56 | <0.0011 |
| WAIS-III (estimated IQ) | 92.96 (84.49, 101.43) | 97.4 (86.19, 108.61) | t(47) = 0.65 | 0.524 |
| ATT | ||||
| Intentionality – ToM | 14 (12.67 15.33) | 15.24 (13.94, 16.54) | z = 1.31 | 0.191 |
| Intentionality - Random | 0.75 (0.28, 1.22) | 1.67 (0.64, 2.70) | z = -1.58 | 0.111 |
| Accuracy - ToM | 8.04 (7.26, 8.82) | 8.88 (8.12, 9.64) | z = 1.47 | 0.141 |
| Acuracy - Random | 0.75 (0.26, 1.24) | 2.27 (0.83, 3.71) | z = -1.96 | 0.051 |
SANS: Scale for Assessment of Negative Symptoms
SAPS: Scale for Assessment of Positive Symptoms
PSP: Personal and Social Performance scale
GAF-F: Global Assessment of Functioning – level of social functioning
WAIS-III: Wechsler Adult Intelligence Scale-III (Block Design, Vocabulary)
ATT: Animated Triangles Task
1
Mann-Whitney U test, 2 Chi-squared test, 3 Fisher's exact test, 4 Student's t-test