general characteristics | Mobility | Self-care | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
total | young-old | old-old | total | young-old | old-old | CMH x2(p) | Breslow-Day x2(p) | total | young-old | old-old | CMH x2(p) | Breslow-Day x2(p) | ||
Total | 60.4 | 39.6 | 37.8 | 30.6 | 48.6 | 34.831 (< 0.001) | 11.5 | 8.8 | 15.7 | 12.258 (0.001) | ||||
Gender | Male | 43.6 | 47.6 | 37.6 | 26.8 | 21.0 | 38.1 | 48.063 (< 0.001) | 0.726 (0.394) | 10.5 | 8.1 | 15.3 | 0.431 (0.512) | 0.125 (0.724) |
Female | 56.4 | 52.4 | 62.4 | 46.2 | 39.3 | 55.0 | 12.3 | 9.5 | 15.9 | |||||
Household income | Low | 73.9 | 70.4 | 79.2 | 41.1 | 34.4 | 50.2 | 11.081 (0.001) | 1.701 (0.192) | 13.6 | 10.6 | 17.7 | 12.925 (< 0.001) | 0.000 (0.993) |
High | 26.1 | 29.6 | 20.8 | 29.5 | 22.6 | 44.5 | 6.0 | 4.9 | 8.5 | |||||
Education level | Middle school or less | 73.2 | 70.6 | 77.1 | 42.6 | 35.3 | 52.7 | 34.618 (< 0.001) | 0.151 (0.698) | 12.8 | 10.1 | 16.5 | 5.622 (0.018) | 0.197 (0.657) |
High school or more | 26.8 | 29.4 | 22.9 | 24.3 | 19.0 | 34.8 | 7.8 | 5.8 | 11.7 | |||||
Marital status | Married | 66.0 | 76.4 | 50.2 | 32.9 | 27.7 | 45.1 | 12.755 (< 0.001) | 1.342 (0.247) | 10.1 | 7.9 | 15.4 | 1.612 (0.204) | 1419 (0.234) |
Single | 34.0 | 23.6 | 49.8 | 47.2 | 40.2 | 52.3 | 14.3 | 11.9 | 16.0 | |||||
Activity limits | Yes | 19.9 | 16.5 | 25.3 | 68.0 | 62.6 | 73.3 | 123.561 (< 0.001) | 0.755 (0.385) | 29.0 | 22.6 | 35.4 | 95.064 (< 0.001) | 0.347 (0.556) |
No | 80.1 | 83.5 | 74.7 | 30.3 | 24.3 | 40.4 | 7.2 | 6.1 | 9.0 | |||||
Bed-Ridden | Yes | 9.6 | 9.6 | 9.5 | 68.0 | 60.6 | 79.3 | 60.608 (< 0.001) | 0.082 (0.775) | 29.6 | 21.6 | 42.1 | 49.168 (< 0.001) | 0.654 (0.419) |
No | 90.4 | 90.4 | 90.5 | 34.5 | 27.3 | 45.4 | 9.6 | 7.4 | 12.9 |