| R2 | R-squared |
| KNHANES | Korean National Health and Nutrition Examination Survey |
| 95% CI | 95% confidence interval |
| KCDC | Korean Centres for Disease Control and Prevention |
| EQ-5D | EuroQol 5-Dimension Questionnaire |
| HR-QoL | health-related quality of life |
| ICC | intraclass correlation coefficients |
| CV | coefficients of variation |
| DM | diabetes mellitus |
| HBP | hypertension |
| OA | knee osteoarthritis |
| CSGLM | complex-samples general linear model |
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