Table 2 Coefficients of the predictive equations of utilities (EQ-5D) based on the Oxford Hip Score (OHS). Estimation sample

 OHS1: Usual level of pain

0.0400 ^Ŧ (0.0143)

−0.156^§ (0.0374)

0.2346^Ŧ (0.0772)

 OHS2: Difficulty with washing and drying

0.0578^§ (0.0110)

0.0564^§ (0.0107)

−0.0885^§ (0.0219)

0.2080^§ (0.0444)

 OHS3: Difficulty with cars/public transport

0.0466^§ (0.0129)

0.0561^§ (0.0139)

−0.123^§ (0.0343)

0.4317^§ (0.0730)

 OHS5: Grocery shopping alone

−0.0504* (0.0215)

0.0985* (0.0398)

 OHS6: Walking duration before pain

0.0269^§ (0.00768)

0.0262^§ (0.0076)

0.0895* (0.0404)

 OHS8: Pain from standing up from chair

0.0517^§ (0.0118)

0.0402 ^Ŧ (0.0128)

−0.0633* (0.0289)

 OHS11: Pain that interferes with work

0.0941^§ (0.0108)

0.0814^§ (0.0115)

−0.165^§ (0.0324)

0.2070^§ (0.0521)

 OHS12: Pain at night

0.0615* (0.0312)

 Constant

−0.0292 (0.0292)

−0.0365 (0.0301)

0.232^§ (0.0392)

−1.6057^§ (0.2008)

 Observations

352

351

352

350

 Adjusted R²

0.697

0.715

 Sigma

0.168 (0.007)

 AIC

−256

− 213.4

−323

− 652.5

 BIC

−232.8

− 182.9

− 295.9

− 617.8