Original Investigation

Cumulative Incidence and Prevalence of Autism Spectrum Disorder

JAMA Pediatrics 10.1001/jamapediatrics.2026.4066

September 14, 2026 at 11:00 AM EDT

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The findings from this cohort study suggest that detection-related factors may contribute substantially to reported increases in ASD occurrence estimates. Interpretation of changes in ASD occurrence estimates should account for methodological differences, changing service-use patterns, and ascertainment context in service-based surveillance systems.

Corresponding Author: Young Shin Kim, MD, MS, MPH, PhD, Dell Medical School, University of Texas, 4900 Mueller Blvd, 2Y.056, Austin, TX 78723 (youngshin.kim@austin.utexas.edu).

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