Poster Topical Area: Nutritional Epidemiology
Location: Hall D
Poster Board Number: 795
Objectives: Recent studies have shown that vitamin D status is associated with risk of metabolic syndrome (MetS). However, epidemiological evidence is limited especially for the Korean population. This study aimed to examine the association of vitamin D status and its related dietary pattern with risk of MetS in Korean adults using Korea National Health and Nutrition Examination Survey (KNHANES) data.
Methods: The study population included 9,237 adults aged 19-64 years with available data on serum 25-hydroxyvitamin D, dietary intake assessed by 24-hour dietary recalls, and MetS components including waist circumference, fasting plasma glucose, serum triglyceride (TG), serum HDL cholesterol (HDL-C), and blood pressure (BP) from the KNHANES, 2010-2014. A dietary pattern predicting serum vitamin D levels was derived by reduced rank regression (RRR). Associations of vitamin D status and the related dietary pattern with risk of MetS were examined using multivariable logistic regression models adjusting for relevant confounders.
Results: Men with a sufficient vitamin D status (≥20ng/mL) had 44% lower risk of MetS (OR = 0.56; 95% CI 0.36, 0.87) with 52% lower risk of elevated TG (OR= 0.48; 95% CI 0.34, 0.67; p for trend Q4vs.Q1 = 0.75; 95% CI 0.59, 0.97; p for trend = 0.004) than those with a lower dietary pattern score. No such association was observed in women (p for trend = 0.72).
Conclusions: A sufficient vitamin D status and a related dietary pattern with high intakes of fish, nuts, fruit, vegetables, and legumes were both associated with reduced risk of the MetS in Korean men, but not in Korean women. Among components of the MetS, serum TG and HDL-C levels were likely to be affected by serum vitamin D levels.
Department of Home Economics Education, Dongguk University, Seoul, Korea
Seoul, Seoul-t'ukpyolsi, Republic of Korea