Characteristics |  | Frequency | low-level | high-level | χ2 | P value | ||
---|---|---|---|---|---|---|---|---|
Frequency | % | Frequency | % | |||||
Gender | Male | 6873 | 3107 | 45.2 | 3766 | 54.8 | 249.014 |  < 0.001 |
Female | 8906 | 5153 | 57.9 | 3753 | 42.1 | Â | Â | |
Age | 65–74 | 3282 | 1309 | 39.9 | 1973 | 60.1 | 402.102 |  < 0.001 |
75–84 | 4277 | 2061 | 48.2 | 2216 | 51.8 |  |  | |
 ≥ 85 | 8220 | 4890 | 59.5 | 3330 | 40.5 |  |  | |
Marital status | Married | 6450 | 2714 | 42.1 | 3736 | 57.9 | 461.327 |  < 0.001 |
Windowed, never married and divorced | 9329 | 5546 | 59.4 | 3783 | 40.6 | Â | Â | |
Education | Illiterate | 7961 | 4901 | 61.6 | 3060 | 38.4 | 546.915 |  < 0.001 |
Literate | 7818 | 3359 | 43.0 | 4459 | 57.0 | Â | Â | |
Current residence | Urban | 8738 | 4419 | 50.6 | 4319 | 49.4 | 24.756 |  < 0.001 |
Rural | 7041 | 3841 | 54.6 | 3200 | 45.4 | Â | Â | |
Living status | With family | 12,684 | 6496 | 51.2 | 6188 | 48.8 | 34.334 |  < 0.001 |
Alone | 2514 | 1422 | 56.6 | 1092 | 43.4 | Â | Â | |
Institution | 581 | 342 | 58.9 | 239 | 41.1 | Â | Â | |
Financial support | Yes (enough) | 13,507 | 6673 | 49.4 | 6834 | 50.6 | 325.940 |  < 0.001 |
No (not enough) | 2272 | 1587 | 69.9 | 685 | 30.1 | Â | Â | |
Chronic disease | Yes | 11,016 | 5756 | 52.3 | 5260 | 47.7 | 0.137 | 0.711 |
No | 4763 | 2504 | 52.6 | 2259 | 47.4 | Â | Â |