Table 1. Demographic and clinical characteristics of the study participants.
| Variables | CHD [209] | Controls [101] | P value | CHD-D [156] | P value | CHD+D [53] | P value |
|---|---|---|---|---|---|---|---|
| Age (years) | 60.14±11.42 | 58.44±8.144 | 0.133a | 60.33±10.74 | 0.111b | 59.58±13.32 | 0.684c |
| Gender (M/F, n) | 116/93 | 64/37 | 0.188a | 86/70 | 0.191b | 30/23 | 0.852c |
| Smoking (n, %) | 86 (41.1) | 33 (32.7) | 0.150a | 57 (36.5) | 0.526b | 19 (35.8) | 0.928c |
| Drinking (n, %) | 81 (38.7) | 39 (38.6) | 0.981a | 63 (40.4) | 0.777b | 18 (34.0) | 0.407c |
| BMI (kg/m2) | 24.15±3.573 | 23.46±3.655 | 0.113a | 23.81±3.631 | 0.446b | 24.22±3.602 | 0.479c |
Data are expressed as means ± SEM. a, CHD versus controls; b, CHD-D versus controls; c, CHD-D versus CHD+D. CHD, coronary heart disease; CHD+D, CHD with depression; CHD-D, CHD without depression.