Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANES

BackgroundThe relationship between phthalate exposure and circadian rhythm disruption lacks epidemiological evidence. This study investigated the association between exposure to ten phthalates (PAEs) and Circadian Syndrome (CircS) among American adults.MethodsData from the 2013–2018 United States Na...

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Main Authors: Chunxing Yi, Jie Shen, Jiansheng Cai
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-06-01
Series:Frontiers in Public Health
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Online Access:https://www.frontiersin.org/articles/10.3389/fpubh.2025.1597489/full
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author Chunxing Yi
Jie Shen
Jiansheng Cai
author_facet Chunxing Yi
Jie Shen
Jiansheng Cai
author_sort Chunxing Yi
collection DOAJ
description BackgroundThe relationship between phthalate exposure and circadian rhythm disruption lacks epidemiological evidence. This study investigated the association between exposure to ten phthalates (PAEs) and Circadian Syndrome (CircS) among American adults.MethodsData from the 2013–2018 United States National Health and Nutritional Health Surveys (N = 2519) were analyzed using logistic regression to assess associations between individual phthalate exposure and CircS. Restricted cubic splines (RCS) evaluated dose-response relationships, while Bayesian kernel machine regression (BKMR) and g-computation models assessed the effects of phthalate mixtures.ResultsThe prevalence of CircS in the study population was 45.14%. Participants in the fourth quartile of exposure to MECP phthalate (OR = 1.632, 95% CI: 1.159–2.300), MEHP phthalate (OR = 1.830, 95% CI: 1.301–2.573), mono-benzyl phthalate (OR = 1.699, 95% CI: 1.156–2.496), and MEOH phthalate (OR = 1.560, 95% CI: 1.065–2.279) had an increased risk of CircS compared to those in the first quartile of exposure. RCS analysis indicated a linear positive association between exposure to MECP, MEHP, and mono-benzyl phthalate and CircS risk. BKMR and quantile g-computation analyses demonstrated that combined phthalate exposure was positively associated with CircS.ConclusionIndividual and mixed exposures to certain phthalates may increase the risk of CircS, providing evidence for prevention strategies targeting endocrine-disrupting chemicals.
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spelling doaj-art-0aa1e81bcba54f25b5ca01af7a60b7942025-08-20T03:32:15ZengFrontiers Media S.A.Frontiers in Public Health2296-25652025-06-011310.3389/fpubh.2025.15974891597489Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANESChunxing Yi0Jie Shen1Jiansheng Cai2Laboratory Center, Guangxi Health Commission Key Laboratory of Glucose and Lipid Metabolism Disorders, The Second Affiliated Hospital of Guilin Medical University, Guilin, ChinaDepartment of Preventive Health Care, Liuzhou Traditional Chinese Medical Hospital, Liuzhou, ChinaDepartment of Environmental Health and Occupational Medicine, School of Public Health, Guilin Medical University, Guilin, ChinaBackgroundThe relationship between phthalate exposure and circadian rhythm disruption lacks epidemiological evidence. This study investigated the association between exposure to ten phthalates (PAEs) and Circadian Syndrome (CircS) among American adults.MethodsData from the 2013–2018 United States National Health and Nutritional Health Surveys (N = 2519) were analyzed using logistic regression to assess associations between individual phthalate exposure and CircS. Restricted cubic splines (RCS) evaluated dose-response relationships, while Bayesian kernel machine regression (BKMR) and g-computation models assessed the effects of phthalate mixtures.ResultsThe prevalence of CircS in the study population was 45.14%. Participants in the fourth quartile of exposure to MECP phthalate (OR = 1.632, 95% CI: 1.159–2.300), MEHP phthalate (OR = 1.830, 95% CI: 1.301–2.573), mono-benzyl phthalate (OR = 1.699, 95% CI: 1.156–2.496), and MEOH phthalate (OR = 1.560, 95% CI: 1.065–2.279) had an increased risk of CircS compared to those in the first quartile of exposure. RCS analysis indicated a linear positive association between exposure to MECP, MEHP, and mono-benzyl phthalate and CircS risk. BKMR and quantile g-computation analyses demonstrated that combined phthalate exposure was positively associated with CircS.ConclusionIndividual and mixed exposures to certain phthalates may increase the risk of CircS, providing evidence for prevention strategies targeting endocrine-disrupting chemicals.https://www.frontiersin.org/articles/10.3389/fpubh.2025.1597489/fullphthalatesCircadian SyndromeBKMRquantile g-computationNHANES
spellingShingle Chunxing Yi
Jie Shen
Jiansheng Cai
Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANES
Frontiers in Public Health
phthalates
Circadian Syndrome
BKMR
quantile g-computation
NHANES
title Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANES
title_full Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANES
title_fullStr Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANES
title_full_unstemmed Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANES
title_short Associations of urinary phthalate metabolites with Circadian Syndrome: evidence from NHANES
title_sort associations of urinary phthalate metabolites with circadian syndrome evidence from nhanes
topic phthalates
Circadian Syndrome
BKMR
quantile g-computation
NHANES
url https://www.frontiersin.org/articles/10.3389/fpubh.2025.1597489/full
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AT jianshengcai associationsofurinaryphthalatemetaboliteswithcircadiansyndromeevidencefromnhanes