| Intervention group (n = 144) | Control group (n = 142) |
---|---|---|
Social-demographic characteristics | ||
Female; n (%) | 81 (57) | 85 (60.7) |
Age, years; mean (S.D.) | 61.7 (10.4) | 63.3 (10.1) |
BMI, kg/m2; mean (S.D.) | 27.9 (4.4) | 29.0 (5.1) |
 < 12 years education; n (%) | 57 (40) | 56 (39.7) |
Paid work; n (%) | 58 (43) | 47 (35.6) |
Clinical characteristics | ||
Index joint knee; n (%) | 115 (80) | 112 (78.9) |
Number of painful joints (0–10); median (IQR) | 2 (1–3.5) | 2 (1–4) |
Duration of symptoms; n (%) | ||
  < 1 year | 14 (10) | 19 (14) |
 1–5 years | 69 (49) | 64 (46) |
 5–10 years | 20 (14) | 22 (15) |
  > 10 years | 39 (27) | 35 (25) |
Pain, WOMAC (0–100); mean (S.D.) | 50.9 (19.8) | 47.6 (19.1) |
Function, WOMAC (0–100); mean (S.D.) | 55.0 (21.1) | 48.5 (20.5) |