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Sociodemographic characteristics of subjects (n=891)
| Characteristic | Number of subjects (%) |
|---|---|
| Sex | |
| Male | 373 (41.9) |
| Female | 518 (58.1) |
| Age (yr) | |
| 20–29 | 159 (17.8) |
| 30–39 | 167 (18.7) |
| 40–49 | 232 (26.0) |
| 50–59 | 193 (21.7) |
| 60–65 | 93 (10.4) |
| >65 | 47 (5.3) |
| Education (yr) | |
| 0–6 | 328 (36.8) |
| 7–9 | 180 (20.2) |
| 10–12 | 275 (30.9) |
| >13 | 108 (12.1) |
| Marital status | |
| Single | 303 (34.0) |
| Married | 379 (42.5) |
| Divorced | 209 (23.5) |
