Cited by 1,429Autism Spectrum Disorder ResearchGenetics and Neurodevelopmental DisordersFamily and Disability Support Research

The DOI matches its Crossref record; 47 of the 47 references it cites were found in a registry or an index.

Recurrence Risk for Autism Spectrum Disorders: A Baby Siblings Research Consortium Study

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Abstract

OBJECTIVE: The recurrence risk of autism spectrum disorders (ASD) is estimated to be between 3% and 10%, but previous research was limited by small sample sizes and biases related to ascertainment, reporting, and stoppage factors. This study used prospective methods to obtain an updated estimate of sibling recurrence risk for ASD. METHODS: A prospective longitudinal study of infants at risk for ASD was conducted by a multisite international network, the Baby Siblings Research Consortium. Infants (n = 664) with an older biological sibling with ASD were followed from early in life to 36 months, when they were classified as having or not having ASD. An ASD classification required surpassing the cutoff of the Autism Diagnostic Observation Schedule and receiving a clinical diagnosis from an expert clinician. RESULTS: A total of 18.7% of the infants developed ASD. Infant gender and the presence of >1 older affected sibling were significant predictors of ASD outcome, and there was an almost threefold increase in risk for male subjects and an additional twofold increase in risk if there was >1 older affected sibling. The age of the infant at study enrollment, the gender and functioning level of the infant's older sibling, and other demographic factors did not predict ASD outcome. CONCLUSIONS: The sibling recurrence rate of ASD is higher than suggested by previous estimates. The size of the current sample and prospective nature of data collection minimized many limitations of previous studies of sibling recurrence. Clinical implications, including genetic counseling, are discussed.

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Metadata

Authors
Ozonoff, S., Young, G. S., Carter, A., Messinger, D., Yirmiya, N., Zwaigenbaum, L., Bryson, S., Carver, L. J., Constantino, J. N., Dobkins, K., Hutman, T., Iverson, J. M., Landa, R., Rogers, S. J., Sigman, M., & Stone, W. L.
Affiliations
  • University of California, Davis (US)
  • University of Massachusetts Boston (US)
  • University of Miami (US)
  • Hebrew University of Jerusalem (IL)
  • University of Alberta (CA)
  • Dalhousie University (CA)
  • University of California San Diego (US)
  • Washington University in St. Louis (US)
  • University of California, Los Angeles (US)
  • University of Pittsburgh (US)
  • Kennedy Krieger Institute (US)
  • University of Washington (US)
Venue
Pediatrics
Published
2011-09-01
Volume
128
Issue
3
Pages
e488-e495
ISSN
  • 0031-4005 (ISSN-L)
  • 1098-4275
OpenAlex
W2133978628
Cited by
1,429
References
47
Citations by year
2026: 25 · 2025: 51 · 2024: 106 · 2023: 68 · 2022: 98 · 2021: 113 · 2020: 143 · 2019: 94 · 2018: 112 · 2017: 116 · 2016: 105 · 2015: 115 · 2014: 95 · 2013: 102 · 2012: 71
FWCI
45.17
Type
journal article
Language
en
Open access
Locations
  • PEDIATRICS (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • Canadian Institutes of Health Research (102665, 62924)
  • National Institute of Mental Health (U54MH066417, R01MH068398, R01MH059630, U54MH068172)
  • National Institute on Deafness and Other Communication Disorders (R01 DC10290, R01DC010290)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (R01 HD54979, R01HD057284, R01HD047417, R01HD042541, R01HD043292, R01HD052804, R01HD054979)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetics and Neurodevelopmental Disorders
  • Social Sciences › Psychology › Clinical Psychology › Family and Disability Support Research
Keywords
autism spectrum disorder, sibling recurrence risk, genetic counseling
MeSH terms
Child Development Disorders, Pervasive, Family Health, Female, Humans, Infant, Male, Recurrence, Linear Models, Siblings

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