Table 1 The demographic variables of the subjects with StD and demographically matched (at the group level) healthy control subjects
| Â | Items | Healthy control group | StD group | P-value |
|---|---|---|---|---|
All subjects | N (male) | 76 (23) | 57 (15) | 0.700 |
|  | Age (years) (mean±s.d.) | 29.86±14.49 | 32.25±15.62 | 0.364 |
|  | Education (years) (mean±s.d.) | 14.77±3.80 | 15.35±3.00 | 0.321 |
|  | CES-D (mean±s.d.) | 5.96±4.16 | 25.72±6.02 | 0.000 |
|  | HAM-D (17 items) (mean±s.d.) | NA | 10.65±2.69 | — |
Young age | N (male) | 51 (18) | 34 (12) | 0.590 |
|  | Age (years) (mean±s.d.) | 20.63±1.89 | 20.29±1.40 | 0.333 |
|  | Education (years) (mean±s.d.) | 15.96±2.92 | 16.32±2.40 | 0.533 |
|  | CES-D (mean±s.d.) | 6.78±4.17 | 24.56±6.66 | 0.000 |
|  | HAM-D (17 items) | NA | 9.56±2.02 | — |
Middle age | N (male) | 25 (5) | 23 (3) | 0.400 |
|  | Age (years) (mean±s.d.) | 49.20±10.25 | 49.91±8.44 | 0.795 |
|  | Education (years) (mean±s.d.) | 12.32±4.27 | 13.91±3.27 | 0.156 |
|  | CES-D (mean±s.d.) | 4.40±3.58 | 27.43±4.55 | 0.000 |
|  | HAM-D (17 items) (mean±s.d.) | NA | 12.04±2.84 | — |
