Association of Prepregnancy Risk Factors With Racial Differences in Preterm Birth Rates

Affiliations

• ¹ Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
• ² Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania.
• ³ Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois; Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
• ⁴ Department of Obstetrics and Gynecology, College of Medicine, The Ohio State University, Columbus, Ohio.
• ⁵ Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois; Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
• ⁶ Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
• ⁷ Kaiser Permanente, Mid-Atlantic Permanente Research Institute, Rockville, Maryland.
• ⁸ Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois; Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois. Electronic address: [email protected].