Table 1.
Characteristics of the controls and MDD patients
| Variables | MDD/586 | Controls/586 | P |
|---|---|---|---|
| Age (years) | 44.16 ± 0.56 | 42.93 ± 0.39 | 0.000 |
| Gender | 0.001 | ||
| Female | 421 (71.84%) | 370 (63.14%) | |
| Male | 165 (28.16%) | 216 (36.86%) | |
| Marital status | 0.720 | ||
| Single | 85 (14.51%) | 78 (13.31%) | |
| Stable | 464 (79.18%) | 475 (81.06%) | |
| Separated or widow | 37 (6.31%) | 33 (5.63%) | |
| Smoking | 0.019 | ||
| No | 84 (14.33%) | 114 (19.45%) | |
| Yes | 502 (85.67%) | 472 (80.55%) | |
| Drinking | < 0.001 | ||
| No | 24 (4.10%) | 111 (18.94%) | |
| Yes | 562 (95.90%) | 475 (81.06%) | |
| Family harmony | < 0.001 | ||
| No | 189 (32.25%) | 21 (3.58%) | |
| Yes | 397 (67.74%) | 565 (96.42%) | |
| Working condition | 0.330 | ||
| Stable | 11 (1.88%) | 16 (2.73%) | |
| Unstable | 575 (98.12%) | 570 (97.27%) | |
| Childhood trauma | 0.004 | ||
| No | 528 (90.10%) | 554 (94.54%) | |
| Yes | 58 (9.90%) | 32 (5.46%) |