Objectives: We performed a cross-sectional analysis of data from the nationwide Korea National Health and Nutrition Examination Survey (KNHANES) to evaluate the association between obesity and chronic
Description of the study populations at baseline in 2013 (N = 15,484) and at follow-up in 2018 (n = 13,966) with regard to the prevalence of CRS, age, smoking habits, sex and asthma.