Variables | Frequency | % |
Age | ||
 65–74 | 3282 | 20.80 |
 75–84 | 4277 | 27.11 |
 ≥ 85 | 8220 | 52.09 |
Sex | ||
 Male | 6873 | 43.56 |
 Female | 8906 | 56.44 |
Marital status | ||
 Married | 6450 | 40.88 |
 Widowed, never married and divorced | 9329 | 59.12 |
Education | ||
 Illiterate | 7961 | 50.45 |
 Literate | 7818 | 49.55 |
Current residence | ||
 Urban | 8738 | 55.38 |
 Rural | 7041 | 44.62 |
Living status | ||
 With family | 12,684 | 80.39 |
 Alone | 2514 | 15.93 |
 Institution | 581 | 3.68 |
Financial support | ||
 Yes (enough) | 13,507 | 85.60 |
 No (not enough) | 2272 | 14.40 |
Chronic disease | ||
 Yes | 11,016 | 69.81 |
 No | 4763 | 30.19 |
Variables | Mean | SD |
 Low-level involvement activities [0–5] | 1.796 | 1.324 |
 High-level involvement activities [0–5] | 1.329 | 1.219 |
 Psychological resilience[6–25] | 19.160 | 3.100 |
 Life satisfaction[1–5] | 3.883 | 0.797 |