Covariables and expectations | Changes in WOMAC | Changes in SF-12 | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Pain | Stiffness | Function | PCS | MCS | ||||||
β | p value | β | p value | β | p value | β | p value | β | p value | |
Baseline HRQoL | 0.82 | <0.0001 | 0.94 | <0.0001 | 0.72 | <0.0001 | -0.75 | <0.0001 | -0.69 | <0.0001 |
BMI | -0.25 | 0.0175 | ||||||||
Joint | ||||||||||
Knee | Ref. | — | Ref. | — | Ref. | — | ||||
Hip | 4.16 | 0.0013 | 5.65 | <0.0001 | 3.24 | 0.0207 | ||||
Highest degree | ||||||||||
Secondary education/ University | 6.60 | 0.0011 | 3.91 | 0.0011 | ||||||
Primary education | 3.09 | 0.0517 | *Ref. | — | ||||||
None | Ref. | — | ||||||||
Previous intervention | ||||||||||
Yes | -3.91 | 0.0064 | ||||||||
No | Ref. | — | ||||||||
Expectations | ||||||||||
Pain Relief | ||||||||||
Low | Ref. | — | Ref. | — | Ref. | — | Ref. | — | ||
High | 10.52 | <0.0001 | 6.63 | 0.0079 | 11.14 | <0.0001 | 4.96 | 0.0081 | ||
Very high | 10.22 | <0.0001 | 7.95 | 0.0009 | 11.99 | <0.0001 | 6.97 | <0.0001 | ||
Ability to walk | ||||||||||
Low or High | Ref. | — | Ref. | — | Ref. | — | ||||
Very high | 3.32 | 0.0370 | 3.78 | 0.0248 | 3.89 | <0.0001 | ||||
R 2 | 0.45 | 0.57 | 0.35 | 0.24 | 0.42 |