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Perfluorooctanoic Acid (PFOA) Exposure in Early Life Increases Risk of Childhood Adiposity: A Meta-Analysis of Prospective Cohort Studies

Author

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  • Pingping Liu

    (Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, China)

  • Fang Yang

    (Department of Nursing, School of Health Sciences, Wuhan University, Wuhan 430071, China)

  • Yongbo Wang

    (Department of Epidemiology and Biostatistics, School of Health Sciences, Wuhan University, Wuhan 430071, China)

  • Zhanpeng Yuan

    (Department of Preventive Medicine, School of Health Sciences, Wuhan University, Wuhan 430071, China
    Hubei Provincial Key Laboratory for Applied Toxicology, Wuhan 430065, China)

Abstract

Some articles have examined perfluorooctanoic acid (PFOA) exposure in early life in relation to risk of childhood adiposity. Nevertheless, the results from epidemiological studies exploring the associations remain inconsistent and contradictory. We thus conducted an analysis of data currently available to examine the association between PFOA exposure in early life and risk of childhood adiposity. The PubMed, EMBASE, and Web of Science databases were searched to identify studies that examined the impact of PFOA exposure in early life on childhood adiposity. A random-effects meta-analysis model was used to pool the statistical estimates. We identified ten prospective cohort studies comprising 6076 participants with PFOA exposure. The overall effect size (relative risk or odds ratio) for childhood overweight was 1.25 (95% confidence interval (CI): 1.04, 1.50; I 2 = 40.5%). In addition, exposure to PFOA in early life increased the z -score of childhood body mass index ( β = 0.10, 95% CI: 0.03, 0.17; I 2 = 27.9%). Accordingly, exposure to PFOA in early life is associated with an increased risk for childhood adiposity. Further research is needed to verify these findings and to shed light on the molecular mechanism of PFOA in adiposity.

Suggested Citation

  • Pingping Liu & Fang Yang & Yongbo Wang & Zhanpeng Yuan, 2018. "Perfluorooctanoic Acid (PFOA) Exposure in Early Life Increases Risk of Childhood Adiposity: A Meta-Analysis of Prospective Cohort Studies," IJERPH, MDPI, vol. 15(10), pages 1-14, September.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:10:p:2070-:d:171266
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    References listed on IDEAS

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    1. Min Joo Kim & Shinje Moon & Byung-Chul Oh & Dawoon Jung & Kyunghee Ji & Kyungho Choi & Young Joo Park, 2018. "Association between perfluoroalkyl substances exposure and thyroid function in adults: A meta-analysis," PLOS ONE, Public Library of Science, vol. 13(5), pages 1-17, May.
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    Cited by:

    1. Jihee Choi & Jong-Yeon Kim & Hae-Jeung Lee, 2022. "Human Evidence of Perfluorooctanoic Acid (PFOA) Exposure on Hepatic Disease: A Systematic Review and Meta-Analysis," IJERPH, MDPI, vol. 19(18), pages 1-10, September.

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