Table 1.
Characteristics of study participants for ADL disability analysis (N = 1,754).
| MCR group | |||||
|---|---|---|---|---|---|
| Non-MCR (N = 1,502) | MCR-non-MI (N = 200) | MCR-MI (N = 52) | Total Sample (N = 1,754) | P-value | |
| Age, years (mean ± SD) | 66.7 ± 5.79 | 66.9 ± 5.74 | 70.1 ± 6.30 | 67.1 ± 6.12 | <0.001 |
| Female, n (%) | 882 (58.72%) | 112 (56.00%) | 32 (61.54%) | 1,026 (59.49%) | 0.181 |
| Urban residence, n (%) | 492 (32.76%) | 78 (39.00%) | 16 (30.77%) | 586 (33.41%) | 0.489 |
| Education, n (%) | <0.001 | ||||
| No formal education or illiterate | 895 (59.59%) | 126 (63.00%) | 40 (76.92%) | 1,061 (60.49%) | |
| Primary or above | 393 (26.17%) | 40 (20.00%) | 10 (19.23%) | 443 (25.26%) | |
| Secondary or above | 214 (14.25%) | 34 (17.00%) | 2 (3.85%) | 250 (14.25%) | |
| Current smokers, n (%) | 421 (28.03%) | 64 (32.00%) | 11 (21.15%) | 496 (28.28%) | 0.06 |
| Current drinkers, n (%) | 387 (25.78%) | 51 (25.50%) | 14 (27.45%) | 452 (25.89%) | 0.646 |
| History of hypertension, n (%) | 499 (33.33%) | 71 (35.86%) | 22 (42.31%) | 592 (33.89%) | 0.027 |
| History of diabetes, n (%) | 110 (7.41%) | 9 (4.59%) | 5 (9.80%) | 124 (7.16%) | 0.891 |
| History of CHD, n (%) | 248 (16.58%) | 33 (16.58%) | 7 (13.73%) | 288 (16.49%) | 0.943 |
| History of stroke, n (%) | 34 (2.27%) | 6 (3.00%) | 1 (1.92%) | 41 (2.34%) | 0.033 |
| Depressive symptoms, n (%) | 715 (47.60%) | 93 (46.50%) | 32 (61.54%) | 840 (47.89%) | 0.130 |
| Social Participation, n (%) | 723 (48.14%) | 103 (51.50%) | 16 (30.77%) | 842 (48.00%) | 0.028 |
| Baseline total physical activity score (mean ± SD) | 55.48 ± 98.17 | 39.75 ± 92.82 | 30.06 ± 72.80 | 52.94 ± 97.08 | 1.000 |
| Baseline episodic memory score (mean ± SD) | 2.73 ± 1.78 | 3.09 ± 1.27 | 0.14 ± 0.23 | 2.70 ± 1.76 | 0.000 |
| Baseline gait speed (mean ± SD) | 0.67 ± 0.18 | 0.31 ± 0.08 | 0.30 ± 0.08 | 0.61 ± 0.21 | 0.000 |
Source: CHARLS 2011.
ADL, activities of daily living; MCR, motoric cognitive risk syndrome; MI, memory impairment; CHD, coronary heart disease.