Table 5 Descriptive statistics for nonpsychiatric control and psychotic outpatient groups and the results of an ANCOVA with depressive symptoms scores as a covariate showing differences between the two groups
| Â | Controls (n = 507) | Outpatients (n = 118) | Â | Â | ||
|---|---|---|---|---|---|---|
| Â | Mean (SD) | Range | Mean (SD) | Range | t-test | ANCOVA F(1,623) |
SR | 14.09 (3.26) | 4-24 | 12.18 (4.39) | 1-25 | -4.44** | 20.72** |
SC | 7.97 (2.49) | 0-15 | 9.13 (3.50) | 1-18 | 3.38** | 11.29** |
Composite index | 6.11 (3.50) | -5-18 | 3.05 (3.99) | -5-18 | -8.32** | 48.39** |