ArticleFrontiers in nutrition2025
Association of obesity-related anthropometric indicators with chronic constipation and diarrhea among U.S. adults: a cross-sectional study.
Article in Frontiers in nutrition, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Association Between Chronic Diarrhea and Relative Fat Mass: A Cross-Sectional Study Based on NHANES.Digestive diseases and sciences · 2026Article
- Independent and joint associations of a body shape index and cardiorespiratory fitness with executive function in adolescents: a cross-sectional study in China.Frontiers in nutrition · 2026Article
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5 authors.
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Abstract
Aim: Prior studies have linked obesity indicators to constipation/diarrhea, but multi-measure comparisons remain limited. We analyzed these associations in U.S. adults. Methods: This cross-sectional study utilized data from three cycles (2005-2010) of the National Health and Nutrition Examination Survey (NHANES). The final analysis included 13,105 participants after excluding those aged < 20 years or with missing data for any study variables. Bowel habits were categorized using the Bristol Stool Form Scale (BSFS). Multiple analytical approaches were employed: descriptive statistics, weighted multivariable logistic regression, weighted restricted cubic spline (RCS) analysis, subgroup analyses, and sensitivity analysis. We evaluated the diagnostic performance of various anthropometric indices-waist circumference (WC), body mass index (BMI), relative fat mass (RFM), body roundness index (BRI), weight-adjusted waist index (WWI), waist-to-height ratio (WHtR), and a body shape index (ABSI)-for chronic diarrhea and constipation using receiver operating characteristic (ROC) curve analysis and the area under the curve (AUC). Results: Weighted multivariable logistic regression revealed significant positive associations between seven obesity indicators and diarrhea (all Conclusions: The seven indicators are useful indicators for assessing intestinal disorders in U.S. adults, with RFM and WWI demonstrating the highest discriminative ability for constipation and diarrhea, respectively.
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