About The Study: The findings of this study using data for 3.6 million births suggest that the Maternal Vulnerability Index (MVI), a novel county-level index designed to quantify maternal vulnerability to adverse health outcomes, was associated with preterm birth even after adjustment for individual-level confounders. The MVI is a useful measure for county-level preterm birth risk that may have policy implications for counties working to lower preterm rates and improve perinatal outcomes.
Authors: Sara C. Handley, M.D., M.S.C.E., Children’s Hospital of Philadelphia, is the corresponding author.
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(doi:10.1001/jamanetworkopen.2023.15306)
Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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