Table 1.
Sample characteristics
| Patients with depression | Controls | ||
|---|---|---|---|
| Variable | n = 368 | n = 461 | p value |
| Age: mean (SD) | 48.84 (± 7.37) | 52.73 (± 8.00) | <0.01 |
| Women: n (%) | 211 (57.3%) | 224 (48.6%) | <0.01 |
| Prior presentation of the emotional faces paradigm: n (%) | 320 (87%) | 367 (79.6%) | <0.01 |
| Framewise displacement in mm: median (IQR) | 0.062 (0.04–0.10) | 0.056 (0.04–0.08) | <0.01 |
| Handedness: n (%) | 0.69 | ||
| Right | 334 (90.8%) | 425 (92.2%) | |
| Left | 27 (7.3%) | 27 (5.9%) | |
| Unspecified | 7 (1.9%) | 9 (2%) | |
| Education: n (%) | <0.01 | ||
| Primary or general secondary school | 95 (25.8%) | 82 (17.8%) | |
| Intermediate secondary school | 109 (29.6%) | 99 (21.5%) | |
| High school | 77 (20.9%) | 73 (15.8%) | |
| University graduates (>13 years) | 87 (23.6%) | 207 (44.9%) | |
| CES‐D total score: mean (SD) | 25.93 (± 12.15) | 6.33 (± 4.10) | <0.01 |
| Illness duration in years: median (IQR) | 2.00 (0–8.00) |
Abbreviations: SD, standard deviation; CES‐D, Center for Epidemiologic Studies Depression Scale; IQR, interquartile range.