Table 4 Multivariable analysis of post-operative (12 months) changes in THA WOMAC domains

Gender

 Male vs Female

0.09

−0.58, 0.60

0.9

−2.12

−5.00, 0.8

0.2

−0.48

−1.19,1.16

0.2

Age

  < 65 vs ≥65 vs

−0.21

−1.90, 0.47

0.5

2.33

−1.06, 5.73

0.2

−0.14

−0.19, 0.47

0.4

BMI

  < 30 vs ≥30

−0.29

−0.99, 0.40

0.4

−1.73

−5.29, 1.81

0.3

−0.19

−0.53, 0.14

0.3

Education

 Low^c vs High

−0.35

−1.55, 0.84

0.6

0.85

−5.07, 6.78

0.7

0.09

−0.67, 0.49

0.7

Social Support

 Yes vs No

−0.38

−1.13, 0.35

0.3

−0.19

−3.88, 3.51

0.9

−0.15

−0.51, 0.20

0.4

Residence

 Rural vs Urban/semi

−0.43

−0.38, 1.24

0.3

0.20

−3.83, 4.23

0.9

−0.22

−0.17, 0.61

0.3

 Pre-intervention Pain

0.11

2.29, 0.02

0.03

-

-

-

-

-

-

 Pre-intervention Function

-

-

-

0.21

0.05, 0.36

0.01

-

-

-

 Pre-intervention Stiffness

-

-

-

-

-

-

0.94

−0.02, 0.18

0.04