Research Article
Predictive Models for Knee Pain in Middle-Aged and Elderly Individuals Based on Machine Learning Methods
Table 2
Multivariable logistic regression.
| | Odds ratio | 95% CI | |
| | Age | 1.01 | 1.00-1.02 | 0.105 | | Gender (female) | 1.28 | 1.06-1.55 | 0.011 | | Race | | | | | Non-Hispanic white | Ref | | | | Non-Hispanic black | 1.15 | 0.91-1.45 | 0.249 | | Mexican American | 1.02 | 0.81-1.28 | 0.889 | | Others | 0.91 | 0.65-1.26 | 0.563 | | Education | | | | | Below high school | Ref | | | | High school | 1.06 | 0.86-1.31 | 0.588 | | Above high school | 0.95 | 0.78-1.15 | 0.598 | | Hypertension (yes) | 1.11 | 0.95-1.31 | 0.198 | | Diabetes (yes) | 0.91 | 0.73-1.12 | 0.376 | | Pain elsewhere (yes) | 4.64 | 3.98-5.43 | < 0.001 | | Moderate activity (yes) | 1.04 | 0.89-1.22 | 0.617 | | Vigorous activity (yes) | 0.90 | 0.72-1.12 | 0.338 | | Smoking (yes) | 1.12 | 0.96-1.31 | 0.158 | | Drinking (yes) | 0.86 | 0.70-1.05 | 0.152 | | BMI (kg/m2) | 1.05 | 1.02-1.08 | < 0.001 | | Waist circumference | 1.00 | 0.99-1.02 | 0.471 | | Albumin (g/L) | 1.01 | 0.98-1.04 | 0.584 | | Phosphorus (mg/dL) | 0.99 | 0.85-1.15 | 0.850 | | Total calcium (mg/dL) | 1.01 | 0.82-1.24 | 0.927 | | Triglycerides (mg/dL) | 1.00 | 1.00-1.00 | 0.470 | | Cholesterol (mg/dL) | 1.00 | 1.00-1.00 | 0.674 | | Vitamin D (nmol/L) | 1.00 | 0.99-1.00 | 0.438 | | eGFR (ml/min/) | 1.00 | 1.00-1.01 | 0.457 |
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BMI: body mass index; eGFR: estimated glomerular filtration rate.
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