Cited by 436Effects and risks of endocrine disrupting chemicalsToxic Organic Pollutants ImpactPesticide Exposure and Toxicity

Association of urinary phthalate metabolite concentrations with body mass index and waist circumference: a cross-sectional study of NHANES data, 1999–2002

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Hatch, Elizabeth E, Nelson, Jessica W, Qureshi, M Mustafa, Weinberg, Janice, Moore, Lynn L, Singer, Martha, Webster, Thomas F·2008·Environmental Health

Abstract

BACKGROUND: Although diet and activity are key factors in the obesity epidemic, laboratory studies suggest that endocrine disrupting chemicals may also affect obesity. METHODS: We analyzed associations between six phthalate metabolites measured in urine and body mass index (BMI) and waist circumference (WC) in National Health and Nutrition Examination Survey (NHANES) participants aged 6-80. We included 4369 participants from NHANES 1999-2002, with data on mono-ethyl (MEP), mono-2-ethylhexyl (MEHP), mono-n-butyl (MBP), and mono-benzyl (MBzP) phthalate; 2286 also had data on mono-2-ethyl-5-hydroxyhexyl (MEHHP) and mono-2-ethyl-5-oxohexyl (MEOHP) phthalate (2001-2002). Using multiple regression, we computed mean BMI and WC within phthalate quartiles in eight age/gender specific models. RESULTS: The most consistent associations were in males aged 20-59; BMI and WC increased across quartiles of MBzP (adjusted mean BMI = 26.7, 27.2, 28.4, 29.0, p-trend = 0.0002), and positive associations were also found for MEOHP, MEHHP, MEP, and MBP. In females, BMI and WC increased with MEP quartile in adolescent girls (adjusted mean BMI = 22.9, 23.8, 24.1, 24.7, p-trend = 0.03), and a similar but less strong pattern was seen in 20-59 year olds. In contrast, MEHP was inversely related to BMI in adolescent girls (adjusted mean BMI = 25.4, 23.8, 23.4, 22.9, p-trend = 0.02) and females aged 20-59 (adjusted mean BMI = 29.9, 29.9, 27.9, 27.6, p-trend = 0.02). There were no important associations among children, but several inverse associations among 60-80 year olds. CONCLUSION: This exploratory, cross-sectional analysis revealed a number of interesting associations with different phthalate metabolites and obesity outcomes, including notable differences by gender and age subgroups. Effects of endocrine disruptors, such as phthalates, may depend upon endogenous hormone levels, which vary dramatically by age and gender. Individual phthalates also have different biologic and hormonal effects. Although our study has limitations, both of these factors could explain some of the variation in the observed associations. These preliminary data support the need for prospective studies in populations at risk for obesity.

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  • MEP, MEHP, MBzP, MEHHP, and MEOHP were associated with obesity in the US population.

    “MEP, MEHP, MBzP, MEHHP, and MEOHP were associated with obesity in the US population [198].”

    From A Review of Biomonitoring of Phthalate Exposures (2019) · cites this paper as [198]

    The Results and Discussion report associations between the listed metabolites and BMI or waist circumference in NHANES participants. The claim overgeneralizes them to obesity in the US population: associations differed by age and sex, and MEHP was inversely associated with BMI in adolescent and adult females. (LLM, conf=0.88)

    Experimental — accuracy not yet measured
  • Several studies have shown a significant association between obesity and phthalate exposure.

    “Several studies have shown a significant association between obesity and phthalate exposure [193,196,198].”

    From A Review of Biomonitoring of Phthalate Exposures (2019) · cites this paper as [198]

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Cited by

Sorted by citations

Authors
Hatch, E. E., Nelson, J. W., Qureshi, M. M., Weinberg, J., Moore, L. L., Singer, M., & Webster, T. F.
Affiliations
Boston University (US)
Corresponding author
Hatch, Elizabeth E
Venue
Environmental Health
Published
2008-06-03
Volume
7
Issue
1
Pages
27-27
ISSN
1476-069X (ISSN-L)
OpenAlex
W2159145289
Cited by
436
References
4
Citations by year
2026: 6 · 2025: 13 · 2024: 29 · 2023: 14 · 2022: 27 · 2021: 32 · 2020: 31 · 2019: 29 · 2018: 29 · 2017: 36 · 2016: 30 · 2015: 33 · 2014: 33 · 2013: 23 · 2012: 32
FWCI
8.98
Type
journal article
Language
en
Open access
Locations
  • Environmental Health (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • OpenBU (Boston University) (submittedVersion, cc-by)
Funders
National Institute of Environmental Health Sciences (R21ES013724)
Topics
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Effects and risks of endocrine disrupting chemicals
  • Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Pesticide Exposure and Toxicity
Keywords
phthalate metabolites, urinary biomarkers, body mass index, waist circumference, obesity, endocrine disruptors, monoethyl phthalate, mono(2-ethylhexyl) phthalate, mono-n-butyl phthalate, monobenzyl phthalate, MEHHP, MEOHP, sex differences, age differences, NHANES, children and adolescents
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Child, Cross-Sectional Studies, Environmental Pollutants, Female, Humans, Male, Middle Aged, Nutrition Surveys, Obesity, Phthalic Acids, Plasticizers, United States, Body Mass Index, Adiposity

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