Association between sleep duration and osteoarthritis and their prevalence in Koreans: A cross-sectional study.

Objective: To determine the association of radiological and symptomatic osteoarthritis with sleep duration in a representative sample of the Korean population.

Methods: Using data from the national cross-sectional fifth Korea National Health and Nutrition Examination Survey 2010-2012. Of the 16,528 participants in KNHANES-V, 8,918 were adults aged≥ 50 years who had completed the survey questions on sleep duration and osteoarthritis, and had diagnostic X-ray results.