|
| Total | With knee pain | Without knee pain |
Variables | N = 5311 | N = 1848 | N = 3463 | |
Age |
|
|
| |
| Old-old | 2481 (46.7) | 1070 (57.9) | 1411 (40.8) |
| Young-old | 2830 (53.3) | 779 (42.1) | 2051 (59.2) |
Sex |
|
|
| |
| Men | 2415 (45.5) | 699 (37.8) | 1716 (49.5) |
| Women | 2830 (53.3) | 1149 (62.2) | 1747 (50.5) |
BMI |
|
|
| |
| ≥25.0 | 1178 (22.3) | 528 (28.7) | 650 (18.8) |
| 18.5-24.0 | 3779 (71.4) | 1223 (66.4) | 2556 (74.0) |
| ≺18.5 | 338 (6.4) | 90 (4.9) | 248 (7.2) |
Physical activity |
|
|
| |
| Insufficient | 2583 (48.6) | 1006 (54.4) | 1578 (45.6) |
| Sufficient | 2728 (51.4) | 842 (45.6) | 1855 (54.4) |
Sitting time |
|
|
| |
| Long-time | 2723 (51.3) | 987 (53.4) | 1736 (50.1) |
| Short-time | 2588 (48.7) | 861 (46.6) | 1727 (49.9) |
Smoking status |
|
|
| |
| Smoker | 570 (10.7) | 149 (8.1) | 421 (12.2) |
| Nonsmoker | 4741 (89.3) | 1699 (91.9) | 3041 (87.8) |
Drinking status |
|
|
| |
| Drinker | 1780 (33.5) | 517 (28.0) | 1264 (36.5) |
| Nondrinker | 3531 (66.5) | 1332 (72.0) | 2199 (63.5) |
Nutritional status |
|
|
| |
| Poor | 854 (16.1) | 381 (20.6) | 474 (13.7) |
| Good | 4457 (83.9) | 1468 (79.4) | 2989 (86.3) |
Marital status |
|
|
| |
| Without spouse | 1588 (29.9) | 640 (34.6) | 948 (27.4) |
| With spouse | 3723 (70.1) | 1208 (65.4) | 2515 (72.6) |
Educational level |
|
|
| |
| Low | 4579 (86.2) | 1649 (89.2) | 2930 (84.6) |
| High | 732 (13.8) | 199 (10.8) | 533 (15.4) |
Medical treatment history |
|
|
| |
| Yes | 3493 (65.8) | 1356 (20.6) | 2136 (13.7) |
| No | 1818 (34.2) | 492 (79.4) | 1326 (86.3) |