Table 1 Demographic characteristics of the sample as separated by the level of FI
From: Analysis of frailty and survival from late middle age in the Beijing Longitudinal Study of Aging
Level of FI | ≤0.1 | 0.1-0.2 | 0.2-0.3 | 0.3-0.5 | >0.5 | F/X2 |
|---|---|---|---|---|---|---|
n | 1,650 | 1,028 | 330 | 211 | 38 | -- |
Age | 66.8 ± 7.5 | 70.9 ± 8.3 | 75.6 ± 7.8 | 77.8 ± 7.9 | 76.8 ± 8.3 | 182.54** |
Female (%) | 44.9 | 56.4 | 61.6 | 55.7 | 77.8 | 63.01** |
9 + year education (%) | 25.7 | 20.0 | 12.1 | 11.3 | 7.6 | 57.69** |
Rural dwelling (%) | 19.3 | 19.6 | 25.1 | 30.6 | 31.5 | 43.68** |
Total ADL score | 6.0 ± 0.1 | 6.0 ± 0.2 | 6.3 ± 0.6 | 8.5 ± 3.0 | 14.8 ± 2.5 | 1535.50** |
Total IADL score | 6.1 ± 0.4 | 6.9 ± 1.6 | 9.3 ± 3.2 | 14.8 ± 2.5 | 17.8 ± 0.4 | 2527.3** |
Co-morbidities (count) | 1.4 ± 1.5 | 1.3 ± 1.4 | 1.2 ± 1.3 | 1.1 ± 1.5 | 1.0 ± 1.4 | 2.74* |
MMSE score | 24.2 ± 3.7 | 21.8 ± 4.3 | 20.4 ± 4.5 | 17.2 ± 5.3 | 19.6 ± 2.2 | 61.38** |
CES-D score | 5.2 ± 5.7 | 7.4 ± 7.6 | 11.1 ± 9.1 | 13.5 ± 9.8 | 12.4 ± 6.6 | 55.83** |