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    Fine Particulates, Preterm Birth, and Membrane Rupture in Rochester, NY

    237215_237215 full.pdf (799.7Kb)
    Access Status
    Open access
    Authors
    Pereira, Gavin
    Evans, K.
    Rich, D.
    Bracken, M.
    Bell, M.
    Date
    2016
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Pereira, G. and Evans, K. and Rich, D. and Bracken, M. and Bell, M. 2016. Fine Particulates, Preterm Birth, and Membrane Rupture in Rochester, NY. Epidemiology. 27 (1): pp. 66-73.
    Source Title
    Epidemiology
    DOI
    10.1097/EDE.0000000000000366
    ISSN
    1044-3983
    Remarks

    This is a non-final version of an article published in final form in Pereira, G. and Evans, K. and Rich, D. and Bracken, M. and Bell, M. 2016. Fine Particulates, Preterm Birth, and Membrane Rupture in Rochester, NY. Epidemiology. 27 (1): pp. 66-73.

    URI
    http://hdl.handle.net/20.500.11937/17951
    Collection
    • Curtin Research Publications
    Abstract

    Background: It remains unclear whether fine particulate (PM2.5) exposure affects risk of preterm birth and prelabor rupture of membranes. Unmeasured, poorly measured, and undiscovered individual-level confounders might have introduced bias into past studies that relied on between-women comparisons. Methods: This was a longitudinal study of preterm birth and prelabor rupture of membranes in Rochester, NY, 2004–2012 (N = 3,264 women, N = 7,121 singleton births). We used conditional logistic regression to match pregnancies to the same woman and estimate the odds of each outcome associated with average PM2.5 concentrations during each trimester and whole pregnancy. Results: For preterm birth, adjusted odds ratios (95% confidence interval) for 1 µg/m3 increase in PM2.5 in the first trimester, second trimester, third trimester, and whole pregnancy were 1.11 (1.04, 1.18), 1.09 (1.02, 1.16), 1.06 (1.00, 1.13), and 1.17 (1.07, 1.28), respectively. For prelabor rupture of membranes, corresponding odds ratios were 1.00 (0.97, 1.04), 0.99 (0.96, 1.02), 0.99 (0.96, 1.03), and 0.99 (0.94, 1.04), respectively. Conclusion: Risk of preterm birth was greater for pregnancies with elevated PM2.5 exposure than other pregnancies to the same women at lower exposure. We did not observe an association between PM2.5 concentrations and prelabor rupture of membranes.

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