Article Publish Status: FREE
Abstract Title:

Phthalate exposure enhances incidence of urinary incontinence: US NHANES, 2003-2004 and 2005-2006.

Abstract Source:

Environ Sci Pollut Res Int. 2022 Apr 27. Epub 2022 Apr 27. PMID: 35474427

Abstract Author(s):

Xianyanling Yi, Kun Jin, Shi Qiu, Xingyu Xiong, Tianyi Zhang, Ge Peng, Dazhou Liao, Xiaonan Zheng, Hang Xu, Hong Li, Lu Yang, Qiang Wei, Jianzhong Ai

Article Affiliation:

Xianyanling Yi


The aim of this study is to investigate the associations between phthalate exposure and UI in a nationally representative sample of US adults. Cross-sectional data from the National Health and Nutrition Examination Survey (NHANES) database was used for analysis. In total, 2,818 participants with measurements for phthalate metabolites and complete UI questionnaire data were enrolled in our study. Furthermore, seven phthalate metabolites were measured, which were obtained from urine samples and creatinine-standardized in the subsequent analyses. After dividing these phthalate metabolites into three groups, multivariable regression models were performed to evaluate the association between phthalate metabolites and UI rates. Moreover, interaction analyses and subgroup analyses stratified by gender were performed. In these seven phthalate metabolites, high level of mono-carboxynonyl phthalate (MCNP), mono-carboxyoctyl phthalate (MCOP), mono-isobutyl phthalate (MiBP), mono-n-butyl phthalate (MBP), and mono-3-carboxypropyl phthalate (MCPP) showed increased risk of UI (odds ratio (OR) = 1.52, 1.42, 1.43, 1.50, 1.51, respectively, all p value < 0.05). Trend test showed that incidence of UI increased significantly with concentration. A higher incidence of UI among participants was observed in the maximal tertile of phthalate when comparing with the lowest tertile. Subgroup analysis found that different phthalates have varying influence for different types of UI. Moreover, the analyses stratified for sex indicated that the high concentrations of MCNP and median concentrations of MCCP were associated with increase of the odds of UI in women and in men, respectively. Overall, the exposure to phthalates was positively associated with UI among US adults. Notably, different phthalates have varying influence for different types of UI, and male and female exposure to phthalate could result in the different prevalence of UI.

Study Type : Human Study

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Sayer Ji
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