Research Article
Depression and the Overall Burden of Painful Joints: An Examination among Individuals Undergoing Hip and Knee Replacement for Osteoarthritis
Table 2
Results of logistic regression evaluating associations between symptomatic joint count and depression.
| Predictor variable | Reference value | Contrast value | Odds ratio | 95% confidence interval |
| Age in years | — | — | 0.96 | 0.93, 0.99 | Sex | Male | Female | 4.24 | 1.74, 10.35 | Education | Some formal education beyond high school | No formal education beyond high school | 1.05 | 0.50, 2.23 | Surgical joint | Hip | Knee | 0.70 | 0.34, 1.45 | Body mass index | — | — | 1.04 | 0.99, 1.09 | Number of comorbidities | — | — | 1.50 | 1.15, 1.85 | WOMAC pain score | — | — | 0.89 | 0.76, 1.05 | WOMAC function score | — | — | 1.02 | 0.97, 1.07 | Number of symptomatic joints | — | — | 1.19 | 1.08, 1.31 |
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WOMAC: Western Ontario and McMaster Universities Osteoarthritis Index.
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