Sample characteristics (n = 342). Values are n (%) unless otherwise specified.
| Characteristic | Values |
|---|---|
| Female sex | 210 (61.4) |
| White | 282 (82.5) |
| Age, yrs, mean (SD) | 61.7 (8.9) |
| BMI, kg/m2, mean (SD) | 29.2 (5.9) |
| Knees at baseline, n = 682 | |
| KL 0 | 396 (58.1) |
| KL 1 | 187 (27.4) |
| KL 2 | 61 (8.9) |
| KL 3 | 27 (4.0) |
| KL 4 | 7 (1.0) |
| TKR | 4 (0.6) |
| Hips at baseline, n = 681 | |
| KL 0 | 121 (17.8) |
| KL 1 | 483 (70.9) |
| KL 2 | 74 (10.9) |
| KL 3 | 2 (0.3) |
| KL 4 | 1 (0.2) |
| THR | 0 (0.0) |
BMI: body mass index; KL: Kellgren-Lawrence arthritis grading scale; TKR: total knee replacement; THR: total hip replacement.