Table 1 Sample description of the CLHLS, 2002–2008, pooled, unweighted
From: Frailty still matters to health and survival in centenarians: the case of China
|  | Centenarians | Ages 65–99 | ||
|---|---|---|---|---|
Variables | Women | Men | Women | Men |
# of respondents (observations) | 3,557 (5,188) | 877 (1,353) | 7,309 (14,343) | 6,742 (13,276) |
Mean DI score (*100) | 36.9 | 30.8 | 18.1 | 13.3 |
Health outcomes | Â | Â | Â | Â |
 % ADL independent | 42.6 | 52.0 | 80.9 | 87.4 |
 % Cognitively unimpaired | 18.3 | 33.5 | 60.7 | 76.8 |
 % Having no chronic diseases | 44.4 | 44.6 | 41.3 | 43.1 |
 % Self-rated good health | 35.6 | 43.7 | 45.9 | 50.8 |
 % Self-rated good life satisfaction | 46.2 | 52.5 | 56.2 | 56.2 |
 % Death from 2002 to 2011/12 | 79.3 | 82.2 | 36.0 | 35.8 |
Covariates | Â | Â | Â | Â |
Mean age | 101.4 | 101.3 | 82.7 | 80.8 |
 % Urban | 36.8 | 43.7 | 36.4 | 37.8 |
 % Han ethnicity | 94.6 | 93.3 | 93.8 | 94.3 |
 % Coresidence with children | 87.5 | 80.2 | 65.3 | 55.2 |
 % 0 years of schooling | 92.5 | 57.0 | 79.4 | 36.4 |
 % 1–6 years of schooling | 6.2 | 34.4 | 16.5 | 45.9 |
 % 7+ years of schooling | 1.3 | 8.6 | 4.1 | 17.7 |
 % White collar job | 0.8 | 8.2 | 3.2 | 13.2 |
 % Economic independence | 2.4 | 23.7 | 23.8 | 45.6 |
 % Good family economic condition | 13.6 | 16.1 | 14.4 | 16.5 |
 % Smoking at present | 4.9 | 20.9 | 7.4 | 38.4 |
 % Alcoholic consuming at present | 12.5 | 24.3 | 9.3 | 33.9 |
 % Doing regular exercise at present | 13.9 | 26.7 | 24.8 | 36.0 |