Journal
BMC PUBLIC HEALTH
Volume 19, Issue 1, Pages -Publisher
BMC
DOI: 10.1186/s12889-019-7653-9
Keywords
Chronic knee pain; Self-reported sedentary behavior; Physical activity; Body mass index; Korean National Health and nutrition examination survey
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BackgroundAn increasing amount of evidence supports an association between sedentary behaviors and chronic knee pain. However, the association between the total daily duration of sedentary behavior and chronic knee pain in the general population remains unclear. We aimed to analyze the association between sedentary behavior and chronic knee pain in a study population representative of the general Korean population aged >50years while also considering the physical activity or body mass index (BMI).MethodsThis cross-sectional study used data from the 6th Korean National Health and Nutrition Examination Survey (KNHANES VI) of 2013-2015, which was completed by 22,948 Korean adult participants aged >50years. The participants were divided into two groups based on the status of the chronic knee pain. Data were analyzed using multivariable logistic regression after adjustment for age, sex, and individual factors.ResultsLonger sedentary behavior was correlated with chronic knee pain (p for trend=0.02). Sedentary behavior exceeding 10h/day was significantly associated with chronic knee pain (adjusted odds ratio, 1.28; p=0.03). Participants with high levels of physical activity were less likely to suffer from chronic knee pain (adjusted odds ratio, 0.78; p=0.00), and women with over 10 daily hours of sedentary behavior with high levels of physical activity were more likely to have chronic knee pain. A significant association was noted between chronic knee pain and obesity (>= 30.0kg/m(2)) individuals (adjusted odds ratio, 3.48; p=0.04).ConclusionsLonger duration of sedentary behaviors was correlated with chronic knee pain. Our study suggests the need to encourage reductions in overall sedentary behavior to <10h daily. A high physical activity level is recommended, particularly for women >50years and those with obesity.
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