The numbers and characteristics of women with reporting no, moderate, and severe recent knee pain for women with complete data (n= 769)
| Knee pain severity | None (n=361) | Moderate (n=272) | Severe (n=136) |
| Age (mean(SD)) | 78.5 (8) | 77.4 (7.8) | 76.8 (7.9)2-151 |
| Usual walking speed | |||
| Mean speed (m/s) | 0.66 (SD 0.27) | 0.61 (SD 0.23) | 0.52 (SD 0.21)2-152 |
| <0.42 m/s (%) | 19.7 | 21.7 | 33.8¶ |
| OR* (95% CI) | 1.2 (0.8 to 1.8) | 2.8 (1.7 to 4.5)* | |
| Fast walking speed | |||
| Mean speed (m/s) | 1.01 (SD 0.41) | 0.92 (SD 0.37) | 0.83 (SD 0.38)2-152 |
| <0.57 m/s (%) | 15.8 | 20.6 | 30.1¶ |
| OR (95% CI) | 1.6 (1.1 to 2.5)* | 3 (1.8 to 5.0)* | |
| Chair rise ability | |||
| Unable (%) | 13.3 | 14.4 | 21.3 |
| OR (95% CI) | 1.1 (0.7 to 1.7) | 2.2 (1.3 to 3.8)* | |
| Obesity | |||
| Mean BMI* (SD) | 26.2 (5.8) | 29.4 (6.3) | 31.9 (7.7)2-152 |
| BMI >31.58 (%) | 15.5 | 30.9 | 47.52-160 |
| OR (95% CI) | 2.4 (1.6 to 3.5)* | 4.8 (3.1 to 7.6)* | |
| Absolute strength (N) | |||
| Mean (SD) | 241 (91.2) | 244 (95.2) | 234 (96.1) |
| <172 N (%) | 24.1 | 24.9 | 28.8 |
| OR (95% CI) | 1.1 (0.7 to 1.5) | 1.4 (0.9 to 2.1) | |
| Relative strength | |||
| Mean (SD) | 0.40 (0.15) | 0.36 (0.15) | 0.32 (0.14)2-152 |
| <0.26 (%) | 19.6 | 26.8 | 38.52-160 |
| OR (95% CI) | 1.4 (1 to 2.1)* | 2.4 (1.6 to 3.7)* | |
| Depression | |||
| Mean (SD) | 7.6 (5) | 7.6 (5.7) | 8.8 (6.3) |
| GDS* score ⩾14 (%) | 10 | 15.4 | 19.1¶ |
| OR (95% CI) | 1.6 (1 to 2.7)* | 2.1 (1.2 to 3.6)* | |
| Inactivity | |||
| <3 blocks (%) | 51 | 52.2 | 63.2¶ |
| OR (95% CI) | 1.1 (0.8 to 1.6) | 1.8 (1.2 to 2.8)* | |