| Baseline | 8-Weeks | Test statistics | ||||
---|---|---|---|---|---|---|---|
 | Mean | SD | Mean | Mean | SD | Mean | Mean |
mSF-WOMAC | 17.00 | 7.67 | 10.42 | 7.94 | 7.01 | <0.001 | 0.70 |
  Stiffness | 3.23 | 1.55 | 1.96 | 1.40 | 6.66 | <0.001 | 0.68 |
  Pain | 5.67 | 2.60 | 3.60 | 2.91 | 6.20 | <0.001 | 0.66 |
  Daily functioning | 8.10 | 3.99 | 4.87 | 4.10 | 6.51 | <0.001 | 0.67 |
WHO-physical | 67.28 | 15.87 | 72.21 | 14.44 | -2.53 | 0.015 | 0.33 |
WHO-psychological | 74.06 | 12.93 | 75.90 | 13.76 | -1.28 | 0.208 | 0.18 |
Self-efficacy | 16.94 | 4.77 | 19.59 | 6.06 | -4.60 | <0.001 | 0.54 |