Journal List > J Nutr Health > v.49(6) > 1081471

Bae: Relationship among practicing healthy diet and metabolic syndrome indicators in adults - From the Korea National Health and Nutrition Examination Survey, 2013~2014

Abstract

Purpose

The purpose of the present study is to identify the relationship between practicing healthy diet and metabolic syndrome indicators in Koreans.

Methods

This research is a cross-sectional study based on the 2013~2014 Korea National Health and Nutritional Examination Survey. This study investigated 6,748 adults aged 19 to 64 yr (19~49 yr: n = 4,230, 50~64 yr: n = 2,518) to examine practice of healthy diet and metabolic syndrome indicators. In this study, according to practicing healthy diet, we classified subjects into the “Practicing healthy diet (PHD)” group (19~49 yr: n = 1,782, 50~64 yr: n = 937) and “Non-practicing healthy diet (NPHD)” group (19~49 yr: n = 2,448, 50~64 yr: n = 1,581). PHD score was determined by adding the number of practicing factors: adequate fat intake, sodium intake ≤ 2,000 mg/day, fruit & vegetable intake ≥ 500 g/day, and using nutrition label information in food selection.

Results

Female adults had a larger proportion of subjects who practiced a healthy diet compared to male adults (p < 0.001), and the percentages of 19~49 yr and 50~64 yr were 40.46% and 37.07%, respectively. The PHD group consumed significantly more calcium, vitamin B1, B2, and vitamin C density compared to the NPHD group. In 50~64 yr females, the subjects practicing healthy diet (PHD score ≥ 2) was inversely associated with risk of abdominal obesity (OR: 0.71, 95% CI: 0.54~0.93, p value = 0.0131) and metabolic syndrome (OR: 0.70, 95% CI: 0.52~0.94, p value = 0.0166) after adjustments for multiple confounding factors, compared with the lower PHD score (PHD score ≤ 1).

Conclusion

Good dietary practice such as adequate fat intake, sodium intake ≤ 2,000 mg/day, sufficient fruit & vegetable intake, and using nutrition label information in food selection could be useful in decreasing metabolic syndrome risk of Korean adults.

Figures and Tables

Table 1

General characteristics of the subjects

jnh-49-459-i001

1) Data represent mean ± SE. 2) %

Body mass index variable has been age-adjusted.

Table 2

Status of practice healthy diet in the subjects

jnh-49-459-i002

1) % 2) Proportion practicing healthy diet

Score is the number of parameters that met the target-specific values of practicing healthy diet.

Table 3

Sex distribution and general characteristics of the subjects according to the practicing healthy diet

jnh-49-459-i003

1) % 2) Data represent mean ± SE.

Body mass index variable has been age and sex-adjusted.

Table 4

Dietary intakes of the subjects according to the practicing healthy diet

jnh-49-459-i004

1) Data represents age and sex-adjusted mean ± SE.

Table 5

Metabolic syndrome indicators of the subjects according to the practicing healthy diet

jnh-49-459-i005

1) Data represents age and sex-adjusted mean ± SE or %. 2) Data represents age-adjusted mean ± SE or %.

Table 6

ORs (95% CIs) of metabolic syndrome risk factors according to practicing healthy diet in adults

jnh-49-459-i006

1) Model 1 unadjusted; Model 2 adjusted for age, sex, household income, education, smoking, alcohol frequency and energy intake

2) Model 1 unadjusted; Model 2 adjusted for age, household income, education, smoking, alcohol frequency and energy intake

Score is the number of parameters that met the target-specific values of practicing healthy diet.

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