From: Self-reported adult footwear and the risks of lower limb osteoarthritis: the GOAL case control study
GOAL interview footwear questions | Responders: Additional footwear questionnaire | Non-responders: Additional footwear questionnaire | |||||||
---|---|---|---|---|---|---|---|---|---|
Control | Knee OA | Hip OA | Control | Knee OA | Hip OA | Control | Knee OA | Hip OA | |
N= | 1122 | 1007 | 1042 | 597 | 471 | 483 | 525 | 536 | 559 |
%Female | 49% | 48% | 50% | 47% | 48% | 49% | 47% | 49% | 53% |
Age | 63 (9) | 68 (7)** | 68 (7)** | 64 (8) | 67 (7)** | 67 (7)** | 65 (9) | 69 (7)** | 68 (7)** |
BMI | 27 (5) | 31 (5)** | 29 (5)** | 28 (5) | 31 (6)** | 29 (5)** | 27 (5) | 31 (5)** | 29 (5)** |
BMI in 20’s | 22.5 (5.5) | 24 (4)** | 23 (4)** | 23 (6) | 24 (3)** | 23 (4)** | 22 (3) | 24 (4)** | 24 (4)** |
Knee injury | 17% | 32%** | 17% | 18% | 34%** | 19% | 16% | 30%** | 14% |
Hip injury | 2% | 3% | 7%** | 2% | 3% | 10%** | 2% | 3% | 5%* |