Abstract
The United States continues to have one of the highest infant mortality rates (IMR). Although studies have examined the association between maternal and infant birth outcomes, few studies have examined the impact of maternal birth outcome on infant mortality. This study was designed to examine the influence of maternal low birth weight and preterm birth on infant mortality. The 1997–2007 Virginia birth and infant death registry was analyzed. The infant birth and death data was linked to maternal birth registry data using the mother’s maiden name and date of birth. From the mother’s birth registry data, the grandmother’s demographic and pregnancy history was obtained. Logistic regression modeling was used to estimate adjusted odds ratios and their 95% confidence intervals. There was a statistically significant association between maternal birth outcome and subsequent infant mortality. Infants born from a mother who was low birth weight were 2.3 times more likely to have an infant die within the first year of life. Similarly, infants born from a mother born preterm were 2.2 times more likely to have an infant die. Stratification by race showed that there was no statistical association between maternal birth weight and infant death among Whites. However, a strong association was observed among Blacks. Maternal birth outcomes may be an important indicator for infant mortality. Future longitudinal studies are needed to understand the underlying cause of these associations.
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Acknowledgments
This research was supported by National Institutes of Health grants P60 MD002256. The funder had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. We would like to recognize Mr. Calvin Reynolds, Director of Health Statistics, Virginia Department of Health for assistance in linking this intergenerational data for this analysis.
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Masho, S.W., Archer, P.W. Does Maternal Birth Outcome Differentially Influence the Occurrence of Infant Death Among African Americans and European Americans?. Matern Child Health J 15, 1249–1256 (2011). https://doi.org/10.1007/s10995-010-0704-6
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DOI: https://doi.org/10.1007/s10995-010-0704-6