Table 1.
Characteristics of the study population (n = 882)
| Variables | Frequency(n) | Percent |
|---|---|---|
| Gender | ||
| Male | 387 | 43.9 |
| Female | 495 | 56.1 |
| Age (Mean ± SD) = 65.87 ± 10.73 | ||
| 35–46 | 53 | 6.0 |
| 47–59 | 186 | 21.1 |
| 60–72 | 413 | 46.8 |
| ≥ 73 | 230 | 26.1 |
| Education | ||
| Illiterate | 303 | 34.4 |
| Primary school | 415 | 47.1 |
| Secondary school | 137 | 15.5 |
| High school | 10 | 1.1 |
| University or higher | 17 | 1.9 |
| Family yearly income(RMB) | ||
| < 5000 | 183 | 20.7 |
| 5000–10000 | 133 | 15.1 |
| 10000–20000 | 228 | 25.8 |
| 20000–30000 | 154 | 17.5 |
| ≥ 30000 | 184 | 20.9 |
| Family yearly medical cost(RMB) | ||
| < 600 | 177 | 20.1 |
| 600–1500 | 221 | 25.1 |
| 1500–3000 | 179 | 20.3 |
| 3000–1000 | 217 | 24.6 |
| ≥ 10000 | 88 | 10.0 |