Characteristics of study group.
| Characteristics | Total Group | Those Reporting Falls | Those Not Reporting Falls | p | Group Size* |
|---|---|---|---|---|---|
| No. participants | 301 | 31 | 270 | — | — |
| Female, % | 67.4 | 77.4 | 66.3 | 0.211 | 301 (31) |
| Age, yrs, (SD) | 61.5 (8.3) | 61.4 (9.7) | 61.5 (8.1) | 0.835 | 301 (31) |
| BMI, kg/m2, (SD) | 30.6 (6.1) | 32.7 (7.5) | 30.3 (5.9) | 0.088 | 301 (31) |
| Radiographic OA, KL score ≥ 2, % | |||||
| Left | 57.3 | 74.1 | 55.4 | 0.064 | 267 (27) |
| Right | 58.6 | 75.0 | 56.7 | 0.063 | 268 (28) |
| Extension strength, Nm/kg, (SD) | 1.0 (0.5) | 0.81 (0.5) | 1.0 (0.5) | 0 .017 | 285 (27) |
| Flexion strength, Nm/kg, (SD) | 0.67 (0.3) | 0.53 (0.3) | 0.68 (0.3) | 0.041 | 285 (24) |
| Proprioception, °, (SD) | 3.2 (2.3) | 3.1 (2.0) | 3.3 (2.3) | 0.830 | 298 (30) |
| Laxity, °, (SD) | 7.3 (3.5) | 8.0 (3.4) | 7.2 (3.5) | 0.214 | 274 (22) |
| Knee pain severity, | |||||
| 0–10, (SD) | 4.3 (2.7) | 6.13 (2.4) | 4.1 (2.7) | < 0.001 | 299 (31) |
↵* Total no. participants for which data are available for each variable (no. those reporting falls for which data are available for each variable). Significant numbers are in bold face. BMI: body mass index; OA: osteoarthritis; KL: Kellgren and Lawrence.