Table 1.
Demographic and clinical data of depressed and control groups.
| Characteristics | Depressed patients (n = 26) | Control subjects (n = 25) | Statistics |
|---|---|---|---|
| Mean age, years | 37.4 (21–57) | 37.6 (23–56) | t(49) = −0.09, p = 0.930 |
| Education time, years | 14.0 (6–19) | 13.3 (9–22) | t(49) = 0.81, p = 0.419 |
| Sex, male/female | 13/13 | 12/13 | |
| Handedness, right/left | 26/0 | 25/0 | |
| BDI-II | 21.0 (14–48) | 2.1 (0–5) | t(49) = 12.21, p < 0.001 |
| STAI-T | 42.7 (23–65) | 41.0 (20–53) | t(49) = −0.48, p = 0.617 |
| Duration of illness, months | 23.9 (0.5–240.0) | ||
| Age at disease onset, years | 34.8 (21–41) | ||
| Number of lifetime episodes | 2.1 (1–5) |
Descriptive data are presented as mean (range). BDI-II, Beck Depression Inventory Second Edition. STAI-T, the Trait form of Spielberger’s State-Trait Anxiety Inventory.