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Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers

BACKGROUND/OBJECTIVES: The aim of this study was to analyze specific foods influencing absolute nutrient intake and between-person variations of nutrient intake among Korean preschoolers. SUBJECTS/METHODS: This study included 2,766 participants aged 1–5 years in the 2009–2013 Korea National Health a...

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Main Authors: Kang, Minji, Shim, Jae Eun, Kwon, Kyungmin, Song, SuJin
Format: Online Article Text
Language:English
Published: The Korean Nutrition Society and the Korean Society of Community Nutrition 2019
Subjects:
Online Access:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6669073/
https://www.ncbi.nlm.nih.gov/pubmed/31388409
http://dx.doi.org/10.4162/nrp.2019.13.4.323
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author Kang, Minji
Shim, Jae Eun
Kwon, Kyungmin
Song, SuJin
author_facet Kang, Minji
Shim, Jae Eun
Kwon, Kyungmin
Song, SuJin
author_sort Kang, Minji
collection PubMed
description BACKGROUND/OBJECTIVES: The aim of this study was to analyze specific foods influencing absolute nutrient intake and between-person variations of nutrient intake among Korean preschoolers. SUBJECTS/METHODS: This study included 2,766 participants aged 1–5 years in the 2009–2013 Korea National Health and Nutrition Examination Surveys. Dietary data were obtained from a 24-h dietary recall method. Major food sources of absolute nutrient intake were evaluated based on percent contribution of each food. To assess the contribution of specific foods to between-person variations in nutrient intake, stepwise multiple regressions were performed and cumulative R(2) was used. RESULTS: White rice and milk were main food sources of energy, protein, carbohydrate, phosphorus, iron, potassium, thiamin, riboflavin, and niacin. The percentage of fat contributed by milk was 21.3% which was the highest, followed by pork, soybean oil, and egg. White rice accounted for 25% and 40% of total variability in total energy and carbohydrate intakes, respectively. About 39% of variation in calcium intake was explained by milk while 40% of variation in phosphorous intake was explained by cheese. The top 10 foods contributing to between-person variations in nutrient intakes were similar with food items that mainly contributed to absolute nutrient intakes. The number of foods explaining 90% of absolute amounts of nutrient intakes varied from 28 for vitamin A to 80 for iron. CONCLUSIONS: This study identified specific foods that contributed to absolute nutrient intakes and between-person variations in nutrient intakes among Korean preschoolers. Our findings can be used to develop dietary assessment tools and establish food-based dietary guidelines for young children.
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spelling pubmed-66690732019-08-06 Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers Kang, Minji Shim, Jae Eun Kwon, Kyungmin Song, SuJin Nutr Res Pract Original Research BACKGROUND/OBJECTIVES: The aim of this study was to analyze specific foods influencing absolute nutrient intake and between-person variations of nutrient intake among Korean preschoolers. SUBJECTS/METHODS: This study included 2,766 participants aged 1–5 years in the 2009–2013 Korea National Health and Nutrition Examination Surveys. Dietary data were obtained from a 24-h dietary recall method. Major food sources of absolute nutrient intake were evaluated based on percent contribution of each food. To assess the contribution of specific foods to between-person variations in nutrient intake, stepwise multiple regressions were performed and cumulative R(2) was used. RESULTS: White rice and milk were main food sources of energy, protein, carbohydrate, phosphorus, iron, potassium, thiamin, riboflavin, and niacin. The percentage of fat contributed by milk was 21.3% which was the highest, followed by pork, soybean oil, and egg. White rice accounted for 25% and 40% of total variability in total energy and carbohydrate intakes, respectively. About 39% of variation in calcium intake was explained by milk while 40% of variation in phosphorous intake was explained by cheese. The top 10 foods contributing to between-person variations in nutrient intakes were similar with food items that mainly contributed to absolute nutrient intakes. The number of foods explaining 90% of absolute amounts of nutrient intakes varied from 28 for vitamin A to 80 for iron. CONCLUSIONS: This study identified specific foods that contributed to absolute nutrient intakes and between-person variations in nutrient intakes among Korean preschoolers. Our findings can be used to develop dietary assessment tools and establish food-based dietary guidelines for young children. The Korean Nutrition Society and the Korean Society of Community Nutrition 2019-08 2019-07-24 /pmc/articles/PMC6669073/ /pubmed/31388409 http://dx.doi.org/10.4162/nrp.2019.13.4.323 Text en ©2019 The Korean Nutrition Society and the Korean Society of Community Nutrition http://creativecommons.org/licenses/by-nc/3.0/ This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Research
Kang, Minji
Shim, Jae Eun
Kwon, Kyungmin
Song, SuJin
Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers
title Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers
title_full Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers
title_fullStr Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers
title_full_unstemmed Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers
title_short Contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in Korean preschoolers
title_sort contribution of foods to absolute nutrient intake and between-person variations of nutrient intake in korean preschoolers
topic Original Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6669073/
https://www.ncbi.nlm.nih.gov/pubmed/31388409
http://dx.doi.org/10.4162/nrp.2019.13.4.323
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