Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional study

BackgroundDiarrhea, as a significant aspect of digestive system disorders, the relationship between dietary quality and gut health has attracted increasing attention. This study aims to investigate the association between the Healthy Eating Index 2015 and its components and the risk of diarrhea.Meth...

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Main Authors: Jincheng Wu, Xiaomin Lin, Qingfeng Zeng, Xianghui Zeng, Gang Cao, Muchu Xie, Jianping Luo, Lihua Li, Guiping Zeng, Shili Liu
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-05-01
Series:Frontiers in Nutrition
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Online Access:https://www.frontiersin.org/articles/10.3389/fnut.2025.1570733/full
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author Jincheng Wu
Xiaomin Lin
Qingfeng Zeng
Xianghui Zeng
Gang Cao
Muchu Xie
Jianping Luo
Lihua Li
Guiping Zeng
Shili Liu
author_facet Jincheng Wu
Xiaomin Lin
Qingfeng Zeng
Xianghui Zeng
Gang Cao
Muchu Xie
Jianping Luo
Lihua Li
Guiping Zeng
Shili Liu
author_sort Jincheng Wu
collection DOAJ
description BackgroundDiarrhea, as a significant aspect of digestive system disorders, the relationship between dietary quality and gut health has attracted increasing attention. This study aims to investigate the association between the Healthy Eating Index 2015 and its components and the risk of diarrhea.MethodsThis study data from the 2007 to 2010 National Health and Nutrition Examination Survey databases, which included 7,395 adult participants. Diarrhea was defined according to the Bristol Stool Form Scale (BSFS) from the Gut Health Questionnaire. The HEI-2015 score was estimated based on two 24-h dietary recall interviews. surveylogistic regression models were employed to examine the association between the HEI-2015 and its components and the risk of diarrhea.ResultsThe results of this study indicated that, the HEI-2015 was significantly associated with a reduced risk of diarrhea. Specifically, a 1-point increase in the HEI-2015 score was associated with a 1% decrease in the odds of diarrhea (OR:0.99, 95% CI:0.98–0.99). A 1-point increase in the whole grain score was linked to a 5% reduction in the odds of diarrhea (OR:0.95, 95% CI:0.91–0.99), while a 1-point increase in the refined grain score was associated with a 3% reduction in the odds of diarrhea (OR:0.97, 95% CI:0.94–0.99).ConclusionThis study adds further evidence to the health benefits of whole grains and the potential risks associated with refined grains. As part of a balanced diet, promoting whole grain consumption could have a significant impact on public health by reducing the incidence of diarrhea and improving overall well-being.
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spelling doaj-art-4dcd2eee10464a63babcaa338ca84a8d2025-08-20T03:54:07ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2025-05-011210.3389/fnut.2025.15707331570733Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional studyJincheng Wu0Xiaomin Lin1Qingfeng Zeng2Xianghui Zeng3Gang Cao4Muchu Xie5Jianping Luo6Lihua Li7Guiping Zeng8Shili Liu9Department of Cardiology, Ganzhou Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi, ChinaDepartment of Dermatology, Ganzhou Maternal and Child Health Care Hospital, Ganzhou, Jiangxi, ChinaDepartment of Cardiology, Ganzhou Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi, ChinaDepartment of Cardiology, Ganzhou Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi, ChinaDepartment of Cardiology, Ganzhou Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi, ChinaDepartment of Anorectal Surgery, Ganzhou Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi, ChinaDepartment of Cardiology, Ganzhou People’s Hospital, Ganzhou, Jiangxi, ChinaDepartment of Radiology, Ganzhou Nankang Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi, ChinaDepartment of Pharmacy, Ganzhou Nankang Hospital of Traditional Chinese Medicine, Ganzhou, Jiangxi, ChinaDepartment of Cardiology, Hangzhou Mingzhou Naokang Recovery Hospital, Hangzhou, ChinaBackgroundDiarrhea, as a significant aspect of digestive system disorders, the relationship between dietary quality and gut health has attracted increasing attention. This study aims to investigate the association between the Healthy Eating Index 2015 and its components and the risk of diarrhea.MethodsThis study data from the 2007 to 2010 National Health and Nutrition Examination Survey databases, which included 7,395 adult participants. Diarrhea was defined according to the Bristol Stool Form Scale (BSFS) from the Gut Health Questionnaire. The HEI-2015 score was estimated based on two 24-h dietary recall interviews. surveylogistic regression models were employed to examine the association between the HEI-2015 and its components and the risk of diarrhea.ResultsThe results of this study indicated that, the HEI-2015 was significantly associated with a reduced risk of diarrhea. Specifically, a 1-point increase in the HEI-2015 score was associated with a 1% decrease in the odds of diarrhea (OR:0.99, 95% CI:0.98–0.99). A 1-point increase in the whole grain score was linked to a 5% reduction in the odds of diarrhea (OR:0.95, 95% CI:0.91–0.99), while a 1-point increase in the refined grain score was associated with a 3% reduction in the odds of diarrhea (OR:0.97, 95% CI:0.94–0.99).ConclusionThis study adds further evidence to the health benefits of whole grains and the potential risks associated with refined grains. As part of a balanced diet, promoting whole grain consumption could have a significant impact on public health by reducing the incidence of diarrhea and improving overall well-being.https://www.frontiersin.org/articles/10.3389/fnut.2025.1570733/fulldiarrheaHealthy Eating Index 2015whole grainsrefined grainsgut health
spellingShingle Jincheng Wu
Xiaomin Lin
Qingfeng Zeng
Xianghui Zeng
Gang Cao
Muchu Xie
Jianping Luo
Lihua Li
Guiping Zeng
Shili Liu
Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional study
Frontiers in Nutrition
diarrhea
Healthy Eating Index 2015
whole grains
refined grains
gut health
title Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional study
title_full Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional study
title_fullStr Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional study
title_full_unstemmed Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional study
title_short Relationship between overall diet quality and composition and diarrhea in American adults: a cross-sectional study
title_sort relationship between overall diet quality and composition and diarrhea in american adults a cross sectional study
topic diarrhea
Healthy Eating Index 2015
whole grains
refined grains
gut health
url https://www.frontiersin.org/articles/10.3389/fnut.2025.1570733/full
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