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    • Key People For Neonatal Encephalopathy

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      Donna Marie Ferriero†
      brain injury neonatal encephalopathy newborn infant
      Anthony David Edwards
      preterm infants newborn infant magnetic resonance
      Denis Victor Azzopardi
      preterm infants therapeutic hypothermia perinatal asphyxia
      Marianne Thoresen
      therapeutic hypothermia neonatal encephalopathy induced hypoxiaischemia
      Seetha Shankaran
      newborn infant birth weight neonatal encephalopathy
      Nadia Badawi
      cerebral palsy newborn encephalopathy congenital anomalies

      Neonatal Encephalopathy and Socioeconomic Status: Population-Based Case-Control Study


      OBJECTIVE: To investigate the association between maternal socioeconomic status and the risk of encephalopathy in full-term newborns.

      DESIGN: Population-based case-control study.

      SETTING: Washington State births from 1994 through 2002 recorded in the linked Washington State Birth Registry and Comprehensive Hospital Abstract Reporting System.

      PARTICIPANTS: Cases (n = 1060) were singleton full-term newborns with Comprehensive Hospital Abstract Reporting System International Classification of Diseases, Ninth Revision diagnoses of seizures, birth asphyxia, central nervous system dysfunction, or cerebral irritability. Control cases (n = 5330) were singleton full-term newborns selected from the same database. Main Exposures Socioeconomic status was defined by median income of the census tract of the mother's residence, number of years of maternal educational achievement, or maternal insurance status.

      MAIN OUTCOME MEASURES: Odds ratios estimating the risk of encephalopathy associated with disadvantaged socioeconomic status were calculated in 3 separate analyses using multivariate adjusted logistic regression.

      RESULTS: Newborns of mothers living in neighborhoods in which residents have a low median income were at increased risk of encephalopathy compared with newborns in neighborhoods in which residents have a median income more than 3 times the poverty level (adjusted odds ratio, 1.9; 95% confidence interval, 1.5-2.3). There was also a trend for increasing risk of encephalopathy associated with decreasing neighborhood income (P<.001). Newborns of mothers with less than 12 years of educational achievement had a higher risk of encephalopathy compared with newborns of mothers with more than 16 years of educational achievement (adjusted odds ratio, 1.7; 95% confidence interval, 1.3-2.3). Newborns of mothers receiving public insurance also had a higher risk of encephalopathy compared with newborns of mothers who have commercial insurance (adjusted odds ratio, 1.4; 95% confidence interval, 1.2-1.7).

      CONCLUSION: Disadvantaged socioeconomic status was independently associated with an increased risk of encephalopathy in full-term newborns. These findings suggest that a mother's socioeconomic status may influence the risk of encephalopathy for her full-term newborn.

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