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Table 3 Association of BMI and depressed mood with self-reported activity limitations

From: The association of body-mass index and depressed mood with knee pain and activity limitations in knee osteoarthritis: results from the Amsterdam osteoarthritis cohort

Analysis Independent variables B (95% CI) β p Semi-partial r2× 100%
1. BMI 0.77 (0.21, 1.03) 0.33 <0.001 10.9%
2. HADS depression 0.83 (0.37, 1.29) 0.21 <0.001 4.2%
3. BMI 0.70 (0.44, 0.96) 0.30 <0.001 8.7%
HADS depression 0.59 (0.14, 1.04) 0.15 0.011 2.0%
  Dominance analysis   
Overall average BMI (0.109 + 0.087)/2 = 0.098 9.8%
  Overall average HADS depression (0.042 + 0.020)/2 = 0.031 3.1%
  1. Self-reported activity limitations were measured with the physical function subscale of the Western Ontario and McMaster Universities Osteoarthritis Index. In all analyses we adjusted for age, gender, marital status, education level, radiographic OA and comorbidity. B (95% CI), Regression coefficient ( 95% confidence interval). β, Standardized regression coefficient. Semi-partial r2 = squared semi-partial correlation coefficient. BMI, Body-mass index. HADS, Hospital Anxiety and Depression Scale.