Table 1 Baseline Characteristics in Training and Validation Cohorts
Variables | Cohorts, No. (%) | |
|---|---|---|
Training (4791) | Validation (371) | |
Age (Years) | ||
 60 ~ | 2022 (42.2%) | 143 (38.5%) |
 65 ~ | 1209 (25.2%) | 103 (27.8%) |
 70 ~ | 849 (17.7%) | 69 (18.6%) |
 75 ~ | 711 (14.8%) | 56 (15.1%) |
Gender | ||
 Male | 2508 (52.3%) | 192 (51.8%) |
 Female | 2283 (47.7%) | 179 (48.2%) |
Education | ||
 Illiterate | 2501 (52.2%) | 209 (56.3%) |
 Primary school | 1313 (27.4%) | 79 (21.3%) |
 Middle school | 617 (12.9%) | 51 (13.7%) |
 High school | 257 (5.4%) | 27 (7.3%) |
 College and above | 103 (2.2%) | 5 (1.4%) |
Marital status | ||
 Married/Cohabitated | 3873 (80.8%) | 293 (79.0%) |
 Other | 918 (19.2%) | 78 (21.0%) |
Social activity | ||
 Never | 2467 (51.5%) | 146 (39.4%) |
 Not regularly | 526 (11.0%) | 46 (12.4%) |
 Almost Weekly | 506 (10.6%) | 39 (10.5%) |
 Almost daily | 1292 (27.0%) | 140 (37.7%) |
Smoking | ||
 Never | 2947 (61.5%) | 217 (58.5%) |
 Quit | 596 (12.4%) | 46 (12.4%) |
 Less than 20 /day | 556 (11.6%) | 58 (15.6%) |
 More than 20 /day | 692 (14.4%) | 50 (13.5%) |
Drinking | ||
 Never | 2749 (57.4%) | 202 (54.4%) |
 Quit | 487 (10.2%) | 37 (10.0%) |
 Less than once/month | 334 (7.0%) | 35 (9.4%) |
 More than once/month | 1221 (25.5%) | 97 (26.1%) |
duration of night sleep (hours) | ||
 7–8 | 1859 (38.8%) | 137 (36.9%) |
  < 7 | 2541 (53.0%) | 197 (53.0%) |
  > 8 | 391 (8.1%) | 37 (9.9%) |
BMI | ||
 Normal | 2675 (55.8%) | 179 (48.2%) |
 Underweight | 499 (10.4%) | 30 (8.1%) |
 Overweight | 1617 (33.8%) | 162 (43.7%) |
Comorbidity | ||
 0 | 1355 (28.3%) | 99 (26.7%) |
 1 | 1475 (30.8%) | 100 (27.0%) |
  ≥ 2 | 1961 (40.9%) | 172 (46.4%) |
Self-report health conditions | ||
 Very good | 127 (2.65%) | 38 (10.2%) |
 Good | 551 (11.5%) | 62 (16.7%) |
 Fair | 1572 (32.8%) | 179 (48.2%) |
 Poor | 1813 (37.8%) | 82 (22.1%) |
 Very poor | 728 (15.2%) | 10 (2.70%) |
Depression | ||
 Normal | 3086 (64.4%) | 252 (67.9%) |
 Depression | 1705 (35.6%) | 119 (32.1%) |
| Â | Median(Q1-Q3) | Median(Q1-Q3) |
Cognitive function | 10.0 [6.50;13.50] | 11.0 [7.00;13.50] |
Gait speed (m/s) | 0.64 [0.50;0.79] | 0.68 [0.57;0.82] |