Characterizing Health Disparities in the Age of Autism Diagnosis in a Study of 8-Year-Old Children |
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Authors: | Chandni Parikh Margaret Kurzius-Spencer Ann M Mastergeorge Sydney Pettygrove |
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Institution: | 1.MIND Institute,University of California-Davis,Sacramento,USA;2.Genetics and Developmental Pediatrics,University of Arizona,Tucson,USA;3.Mel and Enid Zuckerman College of Public Health,University of Arizona,Tucson,USA;4.Texas Tech University,Lubbock,USA |
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Abstract: | The diagnosis of autism spectrum disorder (ASD) is often delayed from the time of noted concerns to the actual diagnosis. The current study used child- and family-level factors to identify homogeneous classes in a surveillance-based sample (n?=?2303) of 8-year-old children with ASD. Using latent class analysis, a 5-class model emerged and the class memberships were examined in relation to the child’s median age at ASD diagnosis. Class 3, with known language delays and a high advantage socioeconomically had the lowest age of ASD diagnosis (46.74 months) in comparison to Classes 1 (64.99 months), 4 (58.14 months), and 5 (69.78 months) in this sample. Findings demonstrate sociodemographic and developmental disparities related to the age at ASD diagnosis. |
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