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Association of BMI with constipation among US adults:NHANES 2005-2010

Research Square
2023
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Article Description

Objective This study aims to investigate the relationship between obesity and constipation among American adults. Methods We utilized data from the National Health and Nutrition Examination Survey involving adults aged 20 and above (n = 12,499). The study summarizes the weighted prevalence rates of obesity in American adults according to various BMI categories. To assess the association between normal BMI and constipation risk, we employed a weighted multivariate-adjusted logistic regression analysis. Results Our analysis revealed that the weighted prevalence rates of constipation differed significantly across BMI categories. Specifically, the rates were 10.67% for BMI < 18 kg/m, 8.55% for BMI < 25 kg/m, 6.71% for BMI between 25.0-29.9 kg/m, and 5.45% for BMI > 30 kg/m (P < 0.01). After multivariable adjustment, compared to the underweight range (< 18 kg/m), the odds ratios for constipation in BMI categories 18.0-24.9 kg/m, 25.0-29.9 kg/m, and > 30 kg/m are 1.04 (0.60, 1.82), 1.15 (0.92, 1.43), and 1.67 (1.35, 2.07), respectively. Conclusions This study reveals a negative correlation between phosphorus intake and chronic constipation.

Bibliographic Details

Nengjun Xiang; Lulu Xu; Haihua Qian

Research Square Platform LLC

Biochemistry, Genetics and Molecular Biology; Immunology and Microbiology; Medicine; Neuroscience; Psychology; Dentistry

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