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. 2014 Dec;8(6):705-12.
doi: 10.4162/nrp.2014.8.6.705. Epub 2014 Nov 20.

Relationship between adhering to dietary guidelines and the risk of obesity in Korean children

Soo Hyun Yu  1 , YoonJu Song  2 , Mijung Park  3 , Shin Hye Kim  3 , Sangah Shin  4 , Hyojee Joung  5
Affiliations

Relationship between adhering to dietary guidelines and the risk of obesity in Korean children

Soo Hyun Yu et al. Nutr Res Pract. 2014 Dec.

Abstract

Background/objectives: Dietary guidelines for Korean children were released in 2009. The goal of the present study was to examine diet quality in terms of adherence to these dietary guidelines as well as explore the association between guideline adherence and risk of obesity in Korean children.

Subjects/methods: Children aged 5-11 years (mean age = 8.9 years old, n = 191, 80.6% girls) were recruited from a university hospital in Seoul, Korea. Adherence to dietary guidelines for Korean children was calculated using the Likert scale (1-5), and children were then categorized into low, moderate, and high groups based on adherence scores. Obesity or being overweight was determined based on an age- and gender- specific percentile for body mass index (BMI) of the 2007 Korean National Growth Charts. Diet quality was evaluated from 3 days of dietary intake data.

Results: Children in the high adherence group were characterized by significantly lower BMI percentiles and paternal BMIs as well as higher percentages of fathers with a high level of education and higher household incomes compared to those in the low or moderate group. Children in the high adherence group consumed significantly higher amounts of milk and dairy products, were less likely to consume lower than the EAR of phosphorus and iron, and had higher NARs for calcium, phosphorus, iron, zinc, and MAR than those in low groups. The ORs for obesity (BMI ≥ 95(th) percentile) or being overweight including obesity (BMI ≥ 85(th) percentile) were significantly lower in the high adherence group compared to the low adherence group (OR: 0.33, 95% CI = 0.13-0.82, P for trend = 0.019; OR: 0.26, 95% CI: 0.11-0.61 P for trend = 0.002).

Conclusions: Korean children who adhered to dietary guidelines displayed better diet quality and a reduced risk of obesity.

Keywords: Children; Korean; adherence; dietary guidelines; obesity.

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