The social patterning of autism diagnoses reversed in California between 1992 and 2018 - Incite at Columbia University
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Work
The social patterning of autism diagnoses reversed in California between 1992 and 2018
- Published October 8, 2020
- Authors Peter Bearman Keely Cheslack-Postava Christine Fountain Alix Winter
- Category Paper
- Forum Proceedings of the National Academy of Sciences
- Link doi.org
As rates of autism diagnosis increased dramatically over the past number of decades, prevalence rates were generally highest among Whites and among those of higher socioeconomic status (SES). Using a unique, population-level dataset, we find that rates of autism diagnosis continued to be on the rise in recent years, but who is diagnosed changed during the study period. Our data consist of birth records of all 13,272,573 children born in the state of California in 1992 through 2016 linked to autism caseload records for January 1992 through November 2019 from California’s Department of Developmental Services. California’s diagnosed autism incidence rate rose from 0.49 per 1,000 3–6 y olds in 1998 to 3.49 per 1,000 3–6 y olds in 2018, a 612% increase. However, diagnosed incidence rates did not rise uniformly across sociodemographic groups. By 2018, children of Black and Asian mothers were diagnosed at higher rates than children of non-Hispanic White mothers. Furthermore, among children of non-Hispanic White and Asian mothers, children of lower SES were diagnosed at higher rates than children of higher SES. These changes align with sociological theories of health disparities and contain important clues for more fully understanding the autism epidemic.
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go to Understanding Autism
Understanding AutismUnderstanding the factors that have led to an increase in autism prevalence over the last four decades. Funded by the National Institutes of Health
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