Table 3.
Prevalence of depression and clinical variables of depressed patients
| Antidepressant treatment | |
| Yes | 6 (2.4) |
| No | 244 (97.6) |
| Duration of antidepressant treatment (years) | |
| 1-5 | 2 (33.33) |
| 5-10 | 2 (33.33) |
| 10-15 | 1 (16.66) |
| >20 | 1 (16.66) |
| Depression (CES-D scale) | |
| Nondepressed | 127 (50.80) |
| Depressed | 123 (49.20) |
CES-D=Center for Epidemiologic Studies Depression scale