Maternal Mortality and Public Health Programs: Evidence from Florida

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Abstract

US maternal mortality rates (MMRs) display considerable racial disparities and exceed those of other developed countries. While worldwide MMRs have dropped sharply since the 1990s, the US MMR appears to be rising. We provide strong evidence of the effectiveness of pregnancy‐related public health spending on improvements in maternal health. Using longitudinal data from Florida counties, we found that spending on public health significantly reduced the MMR among black mothers and narrowed black‐white outcome disparities. Each 10% increase in pregnancy‐related public health expenditures was associated with a 13.5% decline in MMR among blacks and a 20.0% reduction in black‐white disparities. Maternal mortality rates in the United States exceed those of other developed countries. Moreover, these rates show considerable racial disparities, in which black mothers are at three to four times the risk compared with their white counterparts. With more than half of all maternal deaths deemed to be preventable, public health interventions have the potential to improve maternal health along with other pregnancy outcomes. This rigorous longitudinal study examines the impact of a package of pregnancy‐related public health programs on maternal mortality rates. We analyzed administrative data on pregnancy‐related public health expenditures, maternal mortality rates, and sociodemographic factors from all 67 Florida counties between 2001 and 2014. Florida provides consistent counts of maternal deaths for the entire period of this analysis. We estimated both fixed‐effects ordinary least squares regressions (OLS) and generalized method of moments (GMM) models. GMM enabled us to identify the impact of public health expenditures on maternal mortality rates while also addressing both potential endogeneity and serial correlation problems. We also provide a series of robustness and falsification tests. Overall, a 10% increase in targeted public health expenditures led to a weakly significant decline in overall maternal mortality rates of 3.9%. The estimated effect for white mothers was not statistically significant. However, we found statistically significant improvements for black mothers. Specifically, a 10% increase in pregnancy‐related public health spending led to a 13.5% decline in maternal mortality rates among black mothers and a 20.0% reduction in the black‐white maternal mortality gap. Our analysis provides strong evidence of the effectiveness of public health programs in reducing maternal mortality rates and addressing racial disparities.

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Most cited references 29

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How to do Xtabond2: An Introduction to Difference and System GMM in Stata

David Roodman (2018)

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Global, regional, and national levels and causes of maternal mortality during 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013

Nicholas J. Kassebaum, Amelia Bertozzi-Villa, Megan S Coggeshall … (2014)

The fifth Millennium Development Goal (MDG 5) established the goal of a 75% reduction in the maternal mortality ratio (MMR; number of maternal deaths per 100,000 livebirths) between 1990 and 2015. We aimed to measure levels and track trends in maternal mortality, the key causes contributing to maternal death, and timing of maternal death with respect to delivery. We used robust statistical methods including the Cause of Death Ensemble model (CODEm) to analyse a database of data for 7065 site-years and estimate the number of maternal deaths from all causes in 188 countries between 1990 and 2013. We estimated the number of pregnancy-related deaths caused by HIV on the basis of a systematic review of the relative risk of dying during pregnancy for HIV-positive women compared with HIV-negative women. We also estimated the fraction of these deaths aggravated by pregnancy on the basis of a systematic review. To estimate the numbers of maternal deaths due to nine different causes, we identified 61 sources from a systematic review and 943 site-years of vital registration data. We also did a systematic review of reports about the timing of maternal death, identifying 142 sources to use in our analysis. We developed estimates for each country for 1990-2013 using Bayesian meta-regression. We estimated 95% uncertainty intervals (UIs) for all values. 292,982 (95% UI 261,017-327,792) maternal deaths occurred in 2013, compared with 376,034 (343,483-407,574) in 1990. The global annual rate of change in the MMR was -0·3% (-1·1 to 0·6) from 1990 to 2003, and -2·7% (-3·9 to -1·5) from 2003 to 2013, with evidence of continued acceleration. MMRs reduced consistently in south, east, and southeast Asia between 1990 and 2013, but maternal deaths increased in much of sub-Saharan Africa during the 1990s. 2070 (1290-2866) maternal deaths were related to HIV in 2013, 0·4% (0·2-0·6) of the global total. MMR was highest in the oldest age groups in both 1990 and 2013. In 2013, most deaths occurred intrapartum or postpartum. Causes varied by region and between 1990 and 2013. We recorded substantial variation in the MMR by country in 2013, from 956·8 (685·1-1262·8) in South Sudan to 2·4 (1·6-3·6) in Iceland. Global rates of change suggest that only 16 countries will achieve the MDG 5 target by 2015. Accelerated reductions since the Millennium Declaration in 2000 coincide with increased development assistance for maternal, newborn, and child health. Setting of targets and associated interventions for after 2015 will need careful consideration of regions that are making slow progress, such as west and central Africa. Bill & Melinda Gates Foundation. Copyright © 2014 Elsevier Ltd. All rights reserved.

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Preventability of pregnancy-related deaths: results of a state-wide review.

Ronella Hage, Holli Harper, D Berg … (2005)

Although the risk of death from complications of pregnancy in the 20th century has decreased dramatically, several lines of evidence suggest that it has not reached an irreducible minimum. To further reduce pregnancy-related mortality, we must understand which deaths are potentially preventable and the changes needed to prevent them. We sought to identify all pregnancy-related deaths in North Carolina and conduct a comprehensive review examining ways in which the number of these deaths could potentially be reduced. The North Carolina Pregnancy-Related Mortality Review Committee reviewed all of the 108 pregnancy-related deaths (women who died during or within 1 year of the end of pregnancy from a complication of pregnancy or its treatment) that occurred in the state in 1995-1999. For each death, the committee determined the cause of death, whether it could have been prevented, and if so, the means by which it might have been prevented. Although overall, 40% of pregnancy-related deaths were potentially preventable, this varied by the cause of death. Almost all deaths due to hemorrhage and complications of chronic diseases were believed to be potentially preventable, whereas none of the deaths due to amniotic fluid embolus, microangiopathic hemolytic syndrome, and cerebrovascular accident were considered preventable. Improved quality of medical care was considered to be the most important factor in preventing these deaths. Among African-American women, 46% of deaths were potentially preventable, compared with 33% of the deaths among white women. Despite the decline in pregnancy-related mortality rates, almost one half of these deaths could potentially be prevented, mainly through improved quality of medical care. In-depth review of pregnancy-related deaths can help determine strategies needed to continue making pregnancy safer.