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Using an External Exposome Framework to Examine Pregnancy-Related Morbidities and Mortalities: Implications for Health Disparities Research

Author

Listed:
  • Tonny J. Oyana

    (Research Center on Health Disparities, Equity & the Exposome, Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis, TN 38163, USA)

  • Patricia Matthews-Juarez

    (Pediatrics, Infectious Disease and Microbiology, Immunology & Biochemistry, University of Tennessee Health Science Center, Le Bonheur Children’s Medical Center, Memphis, TN 36163, USA
    Department of Family and Community Medicine, Meharry Medical College, Nashville, TN 37208, USA)

  • Stephania A. Cormier

    (Pediatrics, Infectious Disease and Microbiology, Immunology & Biochemistry, University of Tennessee Health Science Center, Le Bonheur Children’s Medical Center, Memphis, TN 36163, USA)

  • Xiaoran Xu

    (Pediatrics, Infectious Disease and Microbiology, Immunology & Biochemistry, University of Tennessee Health Science Center, Le Bonheur Children’s Medical Center, Memphis, TN 36163, USA)

  • Paul D. Juarez

    (Pediatrics, Infectious Disease and Microbiology, Immunology & Biochemistry, University of Tennessee Health Science Center, Le Bonheur Children’s Medical Center, Memphis, TN 36163, USA
    Department of Family and Community Medicine, Meharry Medical College, Nashville, TN 37208, USA)

Abstract

Objective : We have conducted a study to assess the role of environment on the burden of maternal morbidities and mortalities among women using an external exposome approach for the purpose of developing targeted public health interventions to decrease disparities. Methods : We identified counties in the 48 contiguous USA where observed low birthweight (LBW) rates were higher than expected during a five-year study period. The identification was conducted using a retrospective space-time analysis scan for statistically significant clusters with high or low rates by a Discrete Poisson Model. Results : We observed statistically significant associations of LBW rate with a set of predictive variables. However, in one of the two spatiotemporal models we discovered LBW to be associated with five predictive variables (teen birth rate, adult obesity, uninsured adults, physically unhealthy days, and percent of adults who smoke) in two counties situated in Alabama after adjusting for location changes. Counties with higher than expected LBW rates were similarly associated with two environmental variables (ozone and fine particulate matter). Conclusions : The county-level predictive measures of LBW offer new insights into spatiotemporal patterns relative to key contributory factors. An external framework provides a promising place-based approach for identifying “hotspots” with implications for designing targeted interventions and control measures to reduce and eliminate health disparities.

Suggested Citation

  • Tonny J. Oyana & Patricia Matthews-Juarez & Stephania A. Cormier & Xiaoran Xu & Paul D. Juarez, 2015. "Using an External Exposome Framework to Examine Pregnancy-Related Morbidities and Mortalities: Implications for Health Disparities Research," IJERPH, MDPI, vol. 13(1), pages 1-14, December.
    • Handle: RePEc:gam:jijerp:v:13:y:2015:i:1:p:13-:d:61093
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    References listed on IDEAS

    as
    1. Paul D. Juarez & Patricia Matthews-Juarez & Darryl B. Hood & Wansoo Im & Robert S. Levine & Barbara J. Kilbourne & Michael A. Langston & Mohammad Z. Al-Hamdan & William L. Crosson & Maurice G. Estes &, 2014. "The Public Health Exposome: A Population-Based, Exposure Science Approach to Health Disparities Research," IJERPH, MDPI, vol. 11(12), pages 1-30, December.
    2. Tucker, M.J. & Berg, C.J. & Callaghan, W.M. & Hsia, J., 2007. "The black-white disparity in pregnancy-related mortality from 5 conditions: Differences in prevalence and case-fatality rates," American Journal of Public Health, American Public Health Association, vol. 97(2), pages 247-251.
    3. Anne D. Kershenbaum & Michael A. Langston & Robert S. Levine & Arnold M. Saxton & Tonny J. Oyana & Barbara J. Kilbourne & Gary L. Rogers & Lisaann S. Gittner & Suzanne H. Baktash & Patricia Matthews-J, 2014. "Exploration of Preterm Birth Rates Using the Public Health Exposome Database and Computational Analysis Methods," IJERPH, MDPI, vol. 11(12), pages 1-21, November.
    4. Rauh, V.A. & Andrews, H.F. & Garfinkel, R.S., 2001. "The contribution of maternal age to racial disparities in birthweight: A multilevel perspective," American Journal of Public Health, American Public Health Association, vol. 91(11), pages 1815-1824.
    5. Pearl, M. & Braveman, P. & Abrams, B., 2001. "The relationship of neighborhood socioeconomic characteristics to birthweight among 5 ethnic groups in California," American Journal of Public Health, American Public Health Association, vol. 91(11), pages 1808-1814.
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