Table 1 Baseline characteristics of the study participants according to the baseline number of IC impaired domains. (N = 808)
From: Associations between transitions of intrinsic capacity and frailty status, and 3-year disability
Variables | Total | 0 ICI | 1 ICI |  ≥ 2 ICI | P value |
|---|---|---|---|---|---|
Number of participants (%) | 808 | 201(24.9) | 306(37.9) | 301(37.2) | Â |
Age(years), mean (SD) | 67.8(5.1) | 66.0(3.8) | 67.8(5.0) | 69.0(5.7) |  < 0.001 |
Female, n (%) | 481(59.5) | 116(57.7) | 179(58.5) | 186(61.9) | 0.59 |
Han ethnicity, n (%) | 431(53.3) | 98(48.8) | 170(55.6) | 163(54.2) |  < 0.30 |
Marital status, n (%) |  |  |  |  |  < 0.51 |
 Married | 655(81.1) | 164(81.6) | 253(82.7) | 238(79.1) | |
  Divorced/widowed/single | 153(18.9) | 37(18.4) | 53(17.3) | 63(20.9) | |
Education, n (%) |  |  |  |  |  < 0.001 |
  Illiterate | 278(34.4) | 49(24.4) | 100(32.7) | 129(42.9) | |
  Elementary school | 378(46.8) | 101(50.2) | 147(48.0) | 130(43.2) | |
  Middle school | 132(16.3) | 47(23.4) | 51(16.7) | 34(11.3) | |
  High school or higher | 20(2.5) | 4(2.0) | 8(2.6) | 8(2.7) | |
Smoking history, n (%) | 148(18.3) | 38(19.0) | 55(18.0) | 55(18.3) | 0.96 |
Drinking, n (%) | 240(29.7) | 73(36.3) | 84(27.5) | 83(27.6) | 0.061 |
Number of Chronic diseases, n (%) | Â | Â | Â | Â | 0.39 |
  0 | 480(59.4) | 127(63.2) | 186(60.8) | 167(55.5) | |
  1 | 200(24.8) | 47(23.4) | 75(24.5) | 78(25.9) | |
  ≥ 2 | 128(15.8) | 27(13.4) | 45(14.7) | 56(18.6) | |
Frailty, n (%) |  |  |  |  |  < 0.001 |
Robust | 434(53.7) | 145(72.1) | 174(56.9) | 115(38.2) | Â |
Pre-frail | 353(43.7) | 56(27.9) | 127(41.5) | 170(56.5) | Â |
Frail | 21(2.6) | 0(0) | 5(1.6) | 16(5.3) | Â |
ADL disability, n (%) | 74(9.2) | 11(5.5) | 23(7.5)) | 40(13.3) | 0.005 |
IADL disability, n (%) | 167(20.7) | 25(12.4) | 61(19.9) | 81(26.9) |  < 0.001 |
Impaired cognition, n (%) | 92(11.4) | / | 19(6.2) | 73(24.3) |  < 0.001 |
Impaired locomotion, n (%) | 295(36.5) | / | 97(31.7) | 198(65.8) |  < 0.001 |
Impaired sensory, n (%) | 360(44.6) | / | 133(43.5) | 227(75.4) |  < 0.001 |
Impaired psychological, n(%) | 137(17.0) | / | 32(10.5) | 105(34.9) |  < 0.001 |
Impaired vitality, n (%) | 157(19.4) | / | 25(8.2) | 132(43.9) |  < 0.001 |