Korean J Community Nutr.  2020 Feb;25(1):61-70. 10.5720/kjcn.2020.25.1.61.

Relation between the Total Diet Quality based on Korean Healthy Eating Index and the Incidence of Metabolic Syndrome Constituents and Metabolic Syndrome among a Prospective Cohort of Korean Adults

Affiliations
  • 1Department of Food and Nutrition, Graduate School, Sungshin Women's University, Seoul, Korea, Master's graduate.
  • 2Department of Food and Nutrition, Sungshin Women's University, Seoul, Korea, Associate Professor. smlee@sungshin.ac.kr

Abstract


OBJECTIVES
This study examined the association of the total diet quality with the incidence risk of metabolic syndrome constituents and metabolic syndrome among Korean adults.
METHODS
Based on a community-based cohort of the Korean Genome and Epidemiology Study (KoGES) from 2001 to 2014, data from a total of 5,549 subjects (2,805 men & 2,744 women) aged 40~69 years at the baseline with a total follow-up period of 38,166 person-years were analyzed. The criteria of the National Cholesterol Education Program Adult Treatment Panel was employed to define metabolic syndrome. The total diet quality was estimated using the Korean Healthy Eating Index (KHEI). Hazard ratios (HR) and 95% confidence intervals (CI) for risk of metabolic syndrome constituents and metabolic syndrome in relation to KHEI quintile groups was calculated by multivariate Cox proportional hazards regression model.
RESULTS
After adjusting for age, energy intake, income, education, physical activity, smoking, and drinking, the incidence of abdominal obesity and high blood pressure was significantly lower, by approximately 29.7% (P < 0.01) and 25.2% (P < 0.01), respectively, in the fifth KHEI quintile compared to the first quintile in men. A significant decreasing trend of the metabolic syndrome incidence was observed across the improving levels of KHEI (HRq5vs.q1: 0.775, 95% CIq5vs.q1: 0.619~0.971, P for trend < 0.01). In women, the incidence of abdominal obesity and metabolic syndrome was significantly lower, by approximately 29.8% (P < 0.01) and 22.5% (P < 0.05), respectively, in the fifth KHEI quintile compared to the first quintile adjusting for multiple covariates. On the other hand, the linear trend of metabolic syndrome risk across the KHEI levels did not reach the significance level.
CONCLUSIONS
A better diet quality can prevent future metabolic syndrome and its certain risk factors among Korean men and women.

Keyword

diet quality; Korean Healthy Eating Index; metabolic syndrome; prospective cohort

MeSH Terms

Adult*
Cholesterol
Cohort Studies*
Diet*
Drinking
Eating*
Education
Energy Intake
Epidemiology
Female
Follow-Up Studies
Genome
Hand
Humans
Hypertension
Incidence*
Male
Obesity, Abdominal
Physical Education and Training
Prospective Studies*
Risk Factors
Smoke
Smoking
Cholesterol
Smoke
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