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Cause-Specific Trends in Neonatal Mortality Among Black and White Infants, United States, 1980–1995

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Abstract

Objective: Although neonatal mortality has been declining more rapidly than postneonatal mortality in recent decades, neonatal mortality continues to account for close to two-thirds of all infant deaths. This report uses U.S. vital statistics data to describe national trends in the major causes of neonatal mortality among black and white infants from 1980 to 1995. Methods: Mortality rates were estimated as the number of deaths due to each cause (based on International Classification of Diseases, 9th Revision, codes) divided by the number of live births during the same time period. Linear regression models and smoothed rates were used to describe trends. Results: During the study period, neonatal mortality declined 4.0% per year for white infants and 2.2% per year for black infants, and the black–white gap increased from 2.0 to 2.4. By 1995, disorders relating to short gestation and low birth weight were the number one cause of neonatal death for black infants and the number two cause for white infants, had the highest black–white disparity (4.6, up from 3.3 in 1980), and accounted for almost 40% of excess deaths to black infants (up from 24% in 1980). Congenital anomalies were the number two cause of neonatal death for black infants and the highest ranked cause for white infants in 1995, and it is the only cause for which there was not a substantial excess risk to black infants. Conclusions: Large declines in neonatal mortality have been achieved in recent years, but not in the black–white gap, which has increased. Declines were slower for black than white infants overall and for almost all causes. Prevention of preterm delivery and low birth weight continue to be a priority for reducing neonatal mortality, particularly among black infants. Although congenital anomalies do not contribute substantially to the black–white gap, their diagnosis, treatment, and prevention is critical to reducing overall neonatal mortality.

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Authors and Affiliations

  1. Epidemic Intelligence Service, Epidemiology Program Office, Centers for Disease Control and Prevention, Atlanta, Georgia. Division of Reproductive Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention, Atlanta, Georgia

    Suzan L. Carmichael, Solomon Iyasu & Kendra Hatfield-Timajchy

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  1. Suzan L. Carmichael
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  2. Solomon Iyasu
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  3. Kendra Hatfield-Timajchy
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Correspondence to Suzan L. Carmichael.

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Carmichael, S.L., Iyasu, S. & Hatfield-Timajchy, K. Cause-Specific Trends in Neonatal Mortality Among Black and White Infants, United States, 1980–1995. Matern Child Health J 2, 67–76 (1998). https://doi.org/10.1023/A:1022916121368

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