Baseline characteristics of the study population
| Characteristic | Overall | Fall | p-value | |
|---|---|---|---|---|
| No | Yes | |||
| No. of subjects | 4,372 | 4,271 | 101 | |
| Age (yr) | 74.0±7.72 | 73.9±7.71 | 77.2±7.74 | 0.0003 |
| Sex | 0.0116 | |||
| Male | 1,824 (43.9) | 1,796 (44.3) | 28 (29.7) | |
| Female | 2,548 (56.1) | 2,475 (55.7) | 73 (70.3) | |
| Body mass index | 23.5±2.98 | 23.5±2.96 | 23.4±3.50 | 0.7238 |
| Educational level | 0.0989 | |||
| Elementary school or below | 2,200 (43.7) | 2,133 (43.4) | 67 (57.0) | |
| Middle school | 763 (18.3) | 751 (18.4) | 12 (18.0) | |
| High school or above | 1,409 (38.0) | 1,387 (38.3) | 22 (25.0) | |
| Marital status | 0.0005 | |||
| Married | 2,971 (69.2) | 2,918 (69.7) | 53 (50.0) | |
| Unmarried | 1,401 (30.8) | 1,353 (30.3) | 48 (50.0) | |
| Smoking | 0.4291 | |||
| No | 4,101 (92.3) | 4,006 (92.2) | 95 (94.5) | |
| Yes | 271 (7.7) | 265 (7.8) | 6 (5.5) | |
| Alcohol | 0.2741 | |||
| No | 3,331 (73.1) | 3,247 (73.0) | 84 (79.0) | |
| Yes | 1,041 (26.9) | 1,024 (27.0) | 17 (21.1) | |
| No. of comorbidities | 0.0002 | |||
| 0 | 1,077 (27.1) | 1,064 (27.5) | 13 (10.8) | |
| 1 | 1,428 (32.1) | 1,399 (32.2) | 29 (27.5) | |
| ≥2 | 1,867 (40.9) | 1,808 (40.4) | 59 (61.7) | |
| Regular physical activity |
0.0042 | |||
| No | 2,644 (57.4) | 2,568 (57.0) | 76 (74.1) | |
| Yes | 1,728 (42.6) | 1,703 (43.0) | 25 (25.9) |
Values were presented as number only, mean±standard deviation, or number (weighted %).
*Participants who engaged in physical activity more than once a week.
