Table 1.
Characteristics of enrolled patients (n = 1021) separated by localization of OA
| total | Hip | Knee | |||
| Men | Women | Men | Women | ||
| Number of participants | 1021 | 191 | 236 | 156 | 438 |
| Mean (SD) age (y) | 66.1 (15.1) | 64.3 (14.8) | 65.3 (14.5) | 66.5 (15.4) | 67.1 (15.4) |
| Disease duration (years) | 13.7 (13.0) | 11.7 (10.8) | 12.3 (12.1) | 14.1 (12.9) | 15.2 (14.2) |
| Body mass index (kg/m2) | 28.3 (4.7) | 27.4 (3.7) | 27.1 (4.5) | 28.6 (3.4) | 29.2 (4.8) |
| AIMS2-SF dimensions: | |||||
| Lower body ** | 2.64 (2.04) | 2.19 (1.97) | 2.22 (2.25) | 2.81 (2.71) | 3.01 (2.95) |
| Upper body | 1.21 (2.02) | 1.02 (1.86) | 1.19 (1.17) | 1.09 (1.77) | 1.34 (2.32) |
| Symptom ** | 4.71 (2.42) | 4.21 (2.13) | 4.37 (2.19) | 4.68 (2.83) | 5.12 (2.91) |
| Affect ** | 2.77 (1.51) | 2.39 (1.42) | 2.81 (1.48) | 2.52 (1.50) | 3.01 (1.59) |
| Social | 4.57 (1.95) | 4.26 (1.88) | 4.44 (1.72) | 4.45 (1.90) | 4.82 (2.03) |
| PHQ-9 sum score | 15.7 (4.69) | 14.9 (4.33) | 15.9 (4.86) | 15.4 (5.02) | 16.1 (5.32) |
| Unilateral OA (%) | 150 (13.8) | 32 (16.7) | 41 (17.3) | 32 (20.5) | 45 (10.2) |
| Number (%) with bilateral OA | 871 (84.5) | 159 (83.2) | 195 (82.6) | 124 (79.5) | 393 (89.7) |
| Number (%) with generalized OA¶ | 282 (25.4) | 26 (13.6) | 57 (24.1) | 33 (21.1) | 166 (37.8) |