Sociodemographic characteristics and health status of survey participants (n = 1349).
| Characteristic | |
|---|---|
| Age, yrs, mean (SD) | 67.1 (11.1) |
| Sex (%) | |
| Women | 816 (60.5) |
| Men | 511 (37.9) |
| Data missing | 22 (1.6) |
| Education (%) | |
| University degree | 122 (9.0) |
| Trade/vocational certificate | 271 (20.1) |
| High school diploma | 601 (44.6) |
| < High school | 329 (24.4) |
| Data missing | 26 (1.9) |
| Employment status (%) | |
| Employed | 435 (32.2) |
| Unemployed for nonmedical reasons | 630 (46.7) |
| Retired for medical reasons | 257 (19.1) |
| Data missing | 27 (2.0) |
| OA site | |
| Knee OA | 700 (51.9) |
| Hip OA | 261 (19.3) |
| Both | 388 (28.8) |
| Time since diagnosis, yrs | |
| < 1 | 36 (2.7) |
| 1–5 | 381 (28.2) |
| 6–10 | 397 (29.4) |
| 11+ | 524 (38.8) |
| Data missing | 11 (0.8) |
| No. comorbidities, median (IQR) | 1.0 (1.0, 3.0) |
| WOMAC (0–96), median; mean (SD) | 32.0; 32.9 (19.4) |
| SF-8 physical scale, median; mean (SD) | 39.9; 39.9 (9.7) |
| SF-8 mental scale, median; mean (SD) | 51.4; 49.2 (10.1) |
| General health (%) | |
| Excellent | 70 (5.2) |
| Very good | 194 (14.4) |
| Good | 519 (38.5) |
| Fair | 403 (29.9) |
| Poor | 101 (7.5) |
| Very poor | 20 (1.5) |
| Data missing | 42 (3.1) |
| No. people eligible for (%) | |
| 0 quality indicator | 45 (3.3) |
| 1 quality indicator | 511 (37.9) |
| 2 quality indicators | 556 (41.2) |
| 3 quality indicators | 199 (14.8) |
| 4 quality indicators | 38 (2.8) |
OA: osteoarthritis; IQR: interquartile range; WOMAC: Western Ontario and McMaster Universities OA Index; SF-8: Medical Outcomes Study Short Form-8 (questionnaire).