Vitamin D and the characteristics associated with risk for knee pain among Korean older adults: Findings from a nationally representative survey

To explore vitamin D and the risk factors associated with knee pain in a representative population of Korean older adults METHODS: Data were analyzed from the Korean National Health and Nutrition Examination Survey (2010-2013). A total of 3874 participants (1728 men, 2146 women) aged 65 years and older who had a measured serum 25-hydroxyvitamin D level were evaluated. Multivariate logistic regression was used to investigate the relationship...