Association of total flavonoid intake with hypo-HDL-cholesterolemia among Korean adults: effect modification by polyunsaturated fatty acid intake.

Association of total flavonoid intake with hypo-HDL-cholesterolemia among Korean adults: effect modification by polyunsaturated fatty acid intake.

PMID: 

Nutrients. 2020 Jan 10 ;12(1). Epub 2020 Jan 10. PMID: 31936778

Abstract Title: 

Association of Total Flavonoid Intake with Hypo-HDL-Cholesterolemia among Korean Adults: Effect Modification by Polyunsaturated Fatty Acid Intake.

Abstract: 

The aim of this study was to examine the independent association between flavonoid intake and hypo-high-density lipoprotein (HDL)-cholesterolemia and the potential modifying effect of polyunsaturated fatty acid (PUFA) intake on this association among Korean adults. This cross-sectional analysis used data from 10,326 subjects who participated in the 2013-2016 Korean National Health and Nutrition Examination Survey. Multiple logistic regression analyses were used to assess the associations of flavonoid and PUFA intakes with hypo-HDL-cholesterolemia prevalence. Proanthocyanidins intake showed an inverse relationship with hypo-HDL-cholesterolemia only in men (Tertile (T) 3 vs. T1: odds ratio (OR) = 0.74, 95% confidence interval (CI) = 0.59-0.92,-trend = 0.0330). Total flavonoid and PUFA intakes were not associated with hypo-HDL-cholesterolemia in both men and women. However, when stratified by PUFA intake, there was an inverse relationship between total flavonoid intake and hypo-HDL-cholesterolemia prevalence in men with a high-3 PUFA intake (total flavonoid intakes T3 vs. T1: OR = 0.59, 95% CI = 0.42-0.82,-trend = 0.0004) or a low-6/-3 PUFA intake ratio (T3 vs. T1: OR = 0.67, 95% CI = 0.48-0.93,-trend = 0.0053), but not in those with a low-3 PUFA intake (-interaction = 0.0038) or a high-6/-3 PUFA intake ratio (-interaction = 0.1772). In women, no association was found between total flavonoid intake and hypo-HDL-cholesterolemia, regardless of PUFA intake. These results imply that the intake of proanthocyanidins might have beneficial effects on the HDL-cholesterol level in Korean men. In addition, n-3 PUFA intake might modify the association of total flavonoid intake with the hypo-HDL-cholesterolemia among Korean men.

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