Nationwide Cross-Sectional Study of the Association between Knee Pain and Weight Change: Analysis of the Korea National Health and Nutrition Examination Survey (KNHANES 2013–2015)

Sungwoo Choi, Sangun Nah, Hae-Dong Jang, Seung-Hee Cheon, Ji-Eun Moon and Sangsoo Han
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Sungwoo Choi: Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
Sangun Nah: Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
Hae-Dong Jang: Department of Orthopedic Surgery, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
Seung-Hee Cheon: Department of Orthopedic Surgery, VHS Medical Center, Seoul 05368, Korea
Ji-Eun Moon: Department of Biostatistics, Clinical Trial Center, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea
Sangsoo Han: Department of Emergency Medicine, Soonchunhyang University Bucheon Hospital, Bucheon 14584, Korea

IJERPH, 2021, vol. 18, issue 10, 1-9

Abstract: The knee is a hinge joint that provides stability and control, which are essential in daily life. Obesity is a major cause of knee pain and its incidence continues to increase worldwide. In this study, we analyzed Korea National Health and Nutrition Examination Survey data on the general population, and showed an association between weight change and knee pain. A total of 22,948 participants were enrolled; those under the age of 50 and those who did not answer the questions about knee pain or weight change were excluded. In all, 8480 patients were analyzed, 7001 (82.56%) of whom indicated that they did not have knee pain, versus 1479 (17.44%) who did experience knee pain. Multivariate regression analysis was performed to analyze the association between knee pain and weight change. With full adjustment for covariates, weight gain per se (OR 1.37; p = 0.002), and gains of 3–6 kg (OR 1.28; p = 0.029) and ?6 kg (OR 1.62; p = 0.012), showed significant associations with knee pain. This cross-sectional study confirmed a significant association between knee pain and weight change. Therefore, when evaluating patients with knee pain, it is necessary to evaluate weight gain.

Keywords: knee joint; weight gain; obesity (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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