Table 1.
Sociodemographic characteristics of the study sample
| Characteristic | Total (n=1,318) | Men (n=647) | Women (n=671) | p-value |
|---|---|---|---|---|
| Age (yr) | 76.1±3.9 | 76.4±3.9 | 75.8±3.9 | 0.014 |
| 70–74 | 521 (39.5) | 239 (36.9) | 282 (42.0) | 0.140 |
| 75–79 | 479 (36.3) | 241 (37.2) | 238 (35.5) | |
| ≥80 | 318 (24.1) | 167 (25.8) | 151 (22.5) | |
| Residence | 0.012 | |||
| Urban | 745 (56.5) | 343 (53.0) | 402 (59.9) | |
| Rural | 573 (43.5) | 304 (47.0) | 269 (40.1) | |
| Education level | <0.001 | |||
| <High school | 851 (64.6) | 322 (49.8) | 529 (78.8) | |
| High school | 244 (18.4) | 155 (24.0) | 87 (13.0) | |
| ≥College or greater | 225 (17.1) | 170 (26.3) | 55 (8.2) | |
| Income level | <0.001 | |||
| 1st quartile, Low | 280/1,116 (25.1) | 101/561 (18.0) | 179/555 (32.3) | |
| 2nd quartile | 292/1,116 (26.2) | 131/561 (23.4) | 161/555 (29.0) | |
| 3rd quartile | 269/1,116 (24.1) | 151/561 (26.9) | 118/555 (21.3) | |
| 4th quartile, High | 275/1,116 (24.6) | 178/561 (31.7) | 97/555 (17.5) |
Values are presented as mean ± standard deviation or number (%).