ERIC Number: EJ868358
Record Type: Journal
Publication Date: 2009-Aug
Abstractor: As Provided
Reference Count: 0
Trends in Autism Spectrum Disorder Diagnoses: 1994-2007
Rosenberg, Rebecca E.; Daniels, Amy M.; Law, J. Kiely; Law, Paul A.; Kaufmann, Walter E.
Journal of Autism and Developmental Disorders, v39 n8 p1099-1111 Aug 2009
We analyzed predictors of parent-reported initial diagnosis (autistic disorder [AD], pervasive developmental disorder-not otherwise specified [PDD-NOS], pervasive developmental disorder ["PDD"] and autism spectrum disorder ["ASD"], and Asperger syndrome [AS]), among 6,176 individuals with autism spectrum disorders diagnosed from 1994 through 2007. Overall, distribution of diagnoses was influenced by a secular time trend factor; other significant factors included ethnicity, white race, geographic location, urbanicity, and initial evaluator. Since 2001, most initial diagnoses of AD and AS have remained steady while "PDD" and PDD-NOS have decreased. "ASD" diagnoses have increased, especially among school-based teams; AS diagnoses also increased uniquely among these evaluators. Findings from this study suggest that current diagnostic guidelines may not be meeting all community evaluator needs.
Descriptors: Evaluators, Autism, Asperger Syndrome, Geographic Location, Pervasive Developmental Disorders, Predictor Variables, Clinical Diagnosis, Trend Analysis, Ethnicity, Racial Differences, Urban Areas, Evaluation Methods, Guidelines
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Publication Type: Journal Articles; Reports - Evaluative
Education Level: N/A
Authoring Institution: N/A