Department of Economics and Business Economics

Infections in children with autism spectrum disorder: Study to Explore Early Development (SEED)

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DOI

  • Katherine R Sabourin, Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, Colorado.
  • ,
  • Ann Reynolds, Department of Pediatrics, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado.
  • ,
  • Diana Schendel
  • Steven Rosenberg, Department of Psychiatry, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado.
  • ,
  • Lisa A Croen, Division of Research, Kaiser Permanente Northern California, Oakland, CA, USA
  • ,
  • Jennifer A Pinto-Martin, University of Pennsylvania School of Nursing and Perelman School of Medicine, Philadelphia, Pennsylvania.
  • ,
  • Laura A Schieve, Centers for Disease Control and Prevention, National Center on Birth Defects and Developmental Disabilities, Atlanta, Georgia
  • ,
  • Craig Newschaffer, AJ Drexel Autism Institute, Drexel University, Philadelphia, Pennsylvania.
  • ,
  • Li-Ching Lee, Wendy Klag Center for Autism and Developmental Disabilities and Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland 21205.
  • ,
  • Carolyn DiGuiseppi, Department of Epidemiology, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, Colorado.

Immune system abnormalities have been widely reported among children with autism spectrum disorder (ASD), which may increase the risk of childhood infections. The Study to Explore Early Development (SEED) is a multisite case-control study of children aged 30-69 months, born in 2003-2006. Cases are children previously diagnosed and newly identified with ASD enrolled from education and clinical settings. Children with a previously diagnosed non-ASD developmental condition were included in the developmental delay/disorder (DD) control group. The population (POP) control group included children randomly sampled from birth certificates. Clinical illness from infection during the first 28 days ("neonatal," from medical records) and first three years of life (caregiver report) in cases was compared to DD and POP controls; and between cases with and without regression. Children with ASD had greater odds of neonatal (OR = 1.8; 95%CI: 1.1, 2.9) and early childhood infection (OR = 1.7; 95%CI: 1.5, 1.9) compared to POP children, and greater odds of neonatal infection (OR = 1.5; 95%CI: 1.1, 2.0) compared to DD children. Cases with regression had 1.6 times the odds (95%CI: 1.1, 2.3) of caregiver-reported infection during the first year of life compared to cases without regression, but neonatal infection risk and overall early childhood infection risk did not differ. Our results support the hypothesis that children with ASD are more likely to have infection early in life compared to the general population and to children with other developmental conditions. Future studies should examine the contributions of different causes, timing, frequency, and severity of infection to ASD risk. Autism Res 2018. © 2018 International Society for Autism Research, Wiley Periodicals, Inc. LAY SUMMARY: We looked at infections during early childhood in relation to autism spectrum disorder (ASD). We found that children with ASD were more likely to have an infection in the first 28 days of life and before age three compared to children with typical development. Children with ASD were also more likely than children with other developmental delays or disorders to have an infection in the first 28 days of life.

Original languageEnglish
JournalAutism Research
Volume12
Issue1
Pages (from-to)136-146
ISSN1939-3792
DOIs
Publication statusPublished - 2019

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