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Windham, Gayle C.; Anderson, Meredith C.; Croen, Lisa A.; Smith, Karen S.; Collins, John; Grether, Judith K. – Journal of Autism and Developmental Disorders, 2011
Using standardized methods for multi-source surveillance, we calculated the prevalence of autism spectrum disorders (ASD) among children born in a racially diverse region in 1994 or 1996 as 4.7/1000 live births. Children with ASD before age 9 were identified through chart abstraction at health-related sources; three-quarters were being served by…
Descriptors: Mothers, Incidence, Autism, Pervasive Developmental Disorders
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King, Marissa D.; Bearman, Peter S. – American Sociological Review, 2011
The prevalence of autism has increased precipitously--roughly 10-fold in the past 40 years--yet no one knows exactly what caused this dramatic rise. Using a large and representative dataset that spans the California birth cohorts from 1992 through 2000, we examine individual and community resources associated with the likelihood of an autism…
Descriptors: Neighborhoods, Body Weight, Incidence, Autism