Table 1.
Baseline sample characteristics by sex
| N = 1094 | Total | Males (n = 506) | Females (n = 588) | χ 2 |
|---|---|---|---|---|
| Age, mean (SD) | 53.1(11.4) | 53.8(11.6) | 52.5(11.1) | |
| Marital status (% married /living together) | 54.6 | 61.1 | 49.0 | p < 0.05 |
| Level of education (%) | ||||
| High | 41.7 | 41.1 | 41.9 | p >0.05 |
| Middle | 27.1 | 28.4 | 26.0 | |
| Low | 26.5 | 25.2 | 27.5 | |
| Not applicable | 4.7 | 5.0 | 4.6 | |
| Frequency of exercise | ||||
| Do not exercise/hardly | 10.6 | 12.7 | 8.7 | p >0.05 |
| Once per week | 10.2 | 10.3 | 10.1 | |
| Twice or more per week | 79.2 | 76.9 | 81.2 | |
| Smoking (%) | ||||
| No | 76.1 | 74.4 | 77.5 | p >0.05 |
| Yes | 23.9 | 25.6 | 22.5 | |
| Obesity (BMI ≥ 30 kg/m2) (%) | 16.9 | 15.2 | 18.4 | p >0.05 |
| MDD-S# (%) | 12.5 | 10.0 | 14.7 | p < 0.05 |
| MDD-R# (%) | 8.2 | 5.4 | 10.6 | p < 0.05 |
MDD-S/MDD-R, major depressive disorder- single/recurrent episode - Statistically significant if p < 0.05; #16 (1.5%) individuals had no information available on MDD-S/MDD-R at baseline; SD: Standard deviation.