Table 1. Subjects' Demographics and Clinical Characteristics.
| Controls (n=21) mean/SD | Depression (n=24) mean/SD | Schizophrenia (n=21) mean/SD | F/X2 | P-value | Post hoc tests | |
|---|---|---|---|---|---|---|
| Age | 34.33/±10.11 | 33.08±9.15 | 32.24±7.44 | 0.29 | 0.749 | |
| Gender (male/female) | 17/4 | 17/7 | 18/3 | 1.712 | 0.425 | |
| Handedness (right/left) | 18/3 | 22/2 | 16/5 | 2.004 | 0.367 | |
| White-British | 17 | 20 | 17 | 0.044 | 0.978 | |
| Culture fair (IQ) | 114.24±19.97 | 107.08±16.6 | 100.20±19.28 | 2.93 | 0.061 | |
| Education (years) | 14.85±1.93 | 13.43±2.21 | 13.50±2.09 | 3.01 | 0.057 | |
| BPRS | 43.14±11.89 | |||||
| BDI total | 4.29±4.89 | 32.62±7.06 | 21.05±8.95 | 88.19 | <0.001 | C<D C<S S<D |
| SHAPS | 23.38±3.58 | 33.42±6.81 | 29.19±6.2 | 17.00 | <0.001 | C<D C<S S<D |
| Antipsychotics (chlorpromazine equivalents) | a | 377±424 | ||||
| Antidepressants prescribed | 13 (54%) | 8 (38%) |
a
Four depression participants were prescribed low-dose antipsychotic medication; see Supplementary Text for further medication details.
Any significant post hoc test results for two-group comparisons (p<0.05) are also indicated by the use of ‘greater than' symbols.