Table 1 Sample Characteristics and progression and reversion rate
All participates | Robust (in 2011) | Pre-frail (in 2011) | Frail (in 2011) | |
|---|---|---|---|---|
Demographic characteristics (Mean ± SD / N(%)) | N = 2961 | N = 967 | N = 1848 | N = 146 |
Age (Mean ± SD) | 67 ± 5.52 | 65 ± 4.82 | 67 ± 5.57 | 72 ± 6.01 |
Sex | ||||
Male | 1510(51.0%) | 549(56.8%) | 903(48.9%) | 58(39.7%) |
Female | 1451(49.0%) | 418(43.2%) | 945(51.1%) | 88(60.3%) |
Educational Level | ||||
No formal education | 1638(55.3%) | 472(48.8%) | 1061(57.4%) | 105(71.9%) |
Elementary school and middle school | 1181(39.9%) | 427(44.2%) | 715(38.7%) | 39(26.7%) |
High school and higher | 142(4.8%) | 68(7.0%) | 72(3.9%) | 2(1.4%) |
Marital status | ||||
Married/partnered | 2417(81.6%) | 822(85.0%) | 1496(81.0%) | 99(67.8%) |
Unmarried | 544(18.4%) | 145(15.0%) | 352(19.0%) | 47(32.2%) |
Current Residential location | ||||
Urban | 945(31.9%) | 359(37.1%) | 549(29.7%) | 37(25.3%) |
Rural | 2016(68.1%) | 608(62.9%) | 1299(70.3%) | 109(74.7%) |
Number of chronic conditions (0 ~ 9) | 1 ± 1.37 | 1 ± 1.27 | 2 ± 1.40 | 2 ± 1.42 |
Missing | 80(2.7%) | 28(2.8%) | 45(2.4%) | 7(4.7%) |
Living alone | ||||
No | 2727(92.1%) | 902(93.3%) | 1701(92.0%) | 124(84.9%) |
Yes | 234(7.9%) | 65(6.7%) | 147(8.0%) | 22(15.1%) |
Depression(0-) | 8.76 ± 6.23 | 5.37 ± 3.82 | 10.14 ± 6.50 | 13.84 ± 5.59 |
ADLs(0–6) | 0.42 ± 0.93 | 0.14 ± 0.49 | 0.43 ± 0.99 | 0.81 ± 1.41 |
Missing | 17(0.6%) | 2(0.2%) | 13(0.7%) | 2(1.3%) |
IADLs(0–5) | 0.36 ± 0.90 | 0.23 ± 0.65 | 0.47 ± 0.98 | 1.04 ± 1.40 |
Missing | 24(0.8%) | 8(0.8%) | 16(0.8%) | 0(0%) |