 
         
         Abstract
         
         
            
Objective
            
            This study aimed to determine if maternal educational attainment is associated with
               racial/ethnic disparities in gestational age (GA)-specific infant mortality rate (IMR).
            
         
         
            
Study Design
            
            Cohort study using data from the Centers for Disease Control and Prevention (CDC)
               WONDER expanded linked birth and infant death records database, 2017 to 2019. We included
               hospital-born infants from 22 to 41 weeks' gestation without major congenital anomalies.
               We compared GA-specific IMR by maternal race/ethnicity (Black, Hispanic, or White)
               and maternal education level.
            
         
         
            
Results
            
            There were 9,356,130 eligible infants during the study period; 16.1% Black, 25.7%
               Hispanic, and 58.2% White. Black infants born at 23 and 24 weeks' gestation had lower
               IMR at all maternal education levels than White infants. Black infants from 36 to
               40 weeks' gestation had higher IMR except at the lowest maternal education level.
               Hispanic infants born at 23 and 24 weeks' gestation had lower IMR than White infants
               across all education levels. At 36 to 40 weeks' gestation, Hispanic infants also had
               lower IMR except at the highest education level.
            
         
         
            
Conclusion
            
            The association of maternal educational attainment on GA-specific IMR among late preterm
               and term infants differs by race and ethnicity. Disparities in IMR persist among Black
               infants despite educational attainment, while Hispanic infants had lower IMR at lower
               levels of educational attainment compared with White infants.
            
         
         
            
Key Points
            
            
               
               - 
                  
                  The protective effect of maternal education on infant outcomes may vary by race/ethnicity. 
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                  Black late preterm and term infants have higher GA-specific IMRs than White infants,
                     even with similar education levels. 
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                  Hispanic late preterm and term infants show lower mortality rates than White infants
                     at lower education levels. 
Keywords
infant - ethnicity - gestational age - infant mortality - educational status