The objectives of our study were to (a) report how many children met an autism spectrum
disorder (ASD) surveillance definition but had no clinical diagnosis of ASD in health or …

Abstract Problem/Condition: Autism spectrum disorders (ASDs) are a group of
developmental disabilities characterized by atypical development in socialization …

Problem/condition Data from a population-based, multisite surveillance network were used
to determine the prevalence of autism spectrum disorders (ASDs) among children aged 8 …

Objective Early identification can improve outcomes for children with autism spectrum
disorder (ASD). We sought to assess changes in early ASD identification over time and by …

Problem/condition Data from a population-based, multisite surveillance network were used
to determine the prevalence of children aged 8 years with autism spectrum disorder (ASD) in …

BACKGROUND: We sought to describe autism spectrum disorder (ASD) population
characteristics and changes in identified prevalence across 3 time periods. METHODS …

States differ in the procedures and criteria used to identify ASD. These differences are likely
to impact the prevalence and age of identification for children with ASD. The purpose of the …

Autism spectrum disorder (ASD) diagnoses are made based on a pattern of behavioral
symptoms, yet a growing body of research indicates that when, and indeed whether, an …

Problem/condition Autism spectrum disorders (ASDs) are a group of developmental
disabilities characterized by atypical development in socialization, communication, and …

Results: For 2012, the combined estimated prevalence of ASD among the 11 ADDM
Network sites was 14.6 per 1,000 (one in 68) children aged 8 years. Estimated prevalence …