Trends in dietary risk factors contributing to burden of chronic disease in Korean adults: findings in Korea National Health and Nutrition Examination Survey, 2007-2015


Lim Dohee, Yoon Sungha, Oh Kyungwon
Division of Health and Nutrition Survey, Center for Disease Prevention, KCDC

Background: The aim of study was to examine national trends in the average daily consumption of thirteen dietary factors contributing to the burden of chronic diseases among Korean adults.
Methodology: Within-person variance coefficients of 13 foods and nutrients were estimated from two 24-hour recalls in 2009, and usual intakes were calculated by applying these to the single 24-hour recalls using data from the 2007-2015 Korean National Health and Nutrition Examination Survey.
Results: The intakes of 13 foods and nutrients contributing to the burden of chronic diseases in adults aged 25-74 years in Korea between 2007 and 2015 were assessed to be adequate for omega-3 fatty acids in seafood and fiber, compared to theoretical minimum risk exposure level suggested in the Global Burden of Disease Study 2015; the intakes of fruits and sodium were assessed to be adequate only in female. Dietary consumption of fruits, vegetables, whole grains, nuts and seeds, dietary fiber, polyunsaturated fatty acids, and sodium has improved, whereas the consumption of omega-3 fatty acids in seafood, red meat, processed meat, and sugar-sweetened beverages has deteriorated. Dietary consumption of milk and calcium has not changed.
Conclusion: There is a need for active effort to improve the consumption of dietary factors that remain unchanged or are deteriorating.

Keywords: Dietary risk factors, Burden of chronic disease, Korea National Health and Nutrition Survey, Usual intake, 24-hour recalls