Skip to main content

Table 3 Analysis of influencing factors for WOMAC and ROM in patients with KOA (n = 2034)

From: Demographic and radiographic factors for knee symptoms and range of motion in patients with knee osteoarthritis: a cross-sectional study in Beijing, China

 

WOMAC

 

ROM

 
 

β (95%CI)

P

β (95%CI)

P

Sex

    

 Male

Ref

 

Ref

 

 Female

0.026 (-0.010, 0.061)

0.162

-1.248 (-2.834, 0.338)

0.123

Age (yeas)

    

 < 55

Ref

 

Ref

 

 55–64

0.078 (0.037, 0.118)

< 0.001

-0.706 (-2.507, 1.095)

0.442

 ≥ 64

0.093 (0.052, 0.134)

< 0.001

-2.370 (-4.213, -0.526)

0.012

BMI (kg/m2)

    

 < 24

Ref

 

Ref

 

 24–27.9

0.051 (0.018, 0.083)

< 0.001

-1.839 (-3.276, -0.402)

0.012

 ≥ 28

0.105 (0.059, 0.151)

0.002

-4.977 (-7.018, -2.936)

< 0.001

History of KOA in first-degree relatives

    

 No

Ref

 

Ref

 

 Yes

0.059 (0.028, 0.090)

< 0.001

-1.721 (-3.101, -0.340)

0.015

Years of education (years)

    

 ≤ 9

Ref

 

Ref

 

 10–12

-0.023(-0.062, 0.016)

0.248

1.443 (-0.280, 3.165)

0.101

 ≥ 13

0.010 (-0.029, 0.050)

0.603

4.905 (3.182, 6.628)

< 0.001

Physical labor intensity of occupation

    

 Sedentary

Ref

 

Ref

 

 Mild manual labor

0.018(-0.014, 0.051)

0.268

-1.199 (-2.608, 0.211)

0.096

 Moderate-to-heavy manual labor

0.108 (0.039, 0.177)

0.002

-4.381 (-7.433, -1.328)

0.005

CCI

    

 0

Ref

 

Ref

 

 1

0.049 (0.011, 0.088)

0.013

-1.628 (-3.331, 0.074)

0.061

 ≥ 2

0.099 (0.050, 0.147)

< 0.001

-0.604 (-2.746, 1.538)

0.580

Use of NSAIDS

    

 0

Ref

 

Ref

 

 1

0.111(0.079, 0.143)

< 0.001

-1.586 (-3.010, -0.163)

0.029

KL grade

    

 0/1

Ref

 

Ref

 

 2

-0.068 (-0.106, -0.029)

0.001

-2.934 (-4.650, -1.218)

0.001

 3

-0.032(-0.074, 0.010)

0.135

-4.938 (-6.801, -3.075)

< 0.001

 4

0.069(0.003, 0.134)

0.039

-5.058 (-7.921, -2.195)

0.001

  1. BMI: Body mass index; CI: Confidence interval; CCI: Charlson comorbidity index; KL: Kellgren – Lawrence; WOMAC: The Western Ontario and McMaster Universities Osteoarthritis Index; ROM: range of motion