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Walter Zahorodny; Josephine Shenouda; Kate Sidwell; Michael G. Verile; Cindy Cruz Alvarez; Arline Fusco; Audrey Mars; Mildred Waale; Tara Gleeson; Gail Burack; Paul Zumoff – Journal of Autism and Developmental Disorders, 2025
Purpose: Almost all epidemiologic studies estimating autism spectrum disorder (ASD) prevalence have focused on school-age children. This study provides the first population-based data on the prevalence and expression of ASD among adolescents in a large US metropolitan region. Methods: Active multiple source ASD surveillance of adolescents aged…
Descriptors: Autism Spectrum Disorders, Incidence, Adolescents, Symptoms (Individual Disorders)
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Kristen T. MacKenzie; Mario J. Crown; Jessie B. Northrup; Elizabeth Rutenberg; Amy G. Hartman; Carla A. Mazefsky – Journal of Autism and Developmental Disorders, 2025
The purpose of this project was to investigate potential correlates of family life impairment in families of young autistic children. This project incorporated measures of specific child and parent challenges in addition to a commonly used unidimensional measure of autism characteristics. In this way, we could assess whether such challenges…
Descriptors: Family Environment, Young Children, Autism Spectrum Disorders, Barriers
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Mudit Kapoor; Mayanka Ambade; Shamika Ravi; S. V. Subramanian – Journal of Autism and Developmental Disorders, 2024
Intellectual disability in India is substantially under-reported, especially amongst females. This study quantifies the prevalence and gender bias in household reporting of intellectual disability by estimating the age-and-gender specific prevalence of the intellectually disabled by education, Socio-Demographic Index (SDI) score, place of…
Descriptors: Foreign Countries, Age Differences, Gender Differences, Intellectual Disability
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Uljarevic, Mirko; Hedley, Darren; Rose-Foley, Kitty; Magiati, Iliana; Cai, Ru Ying; Dissanayake, Cheryl; Richdale, Amanda; Trollor, Julian – Journal of Autism and Developmental Disorders, 2020
This study examined age trends in anxious and depressive symptoms, from older adolescence to old age, and explored the association between anxious and depressive symptoms with gender, ASD severity, and socio-economic factors. Two hundred and fifty-five individuals with ASD (151 males, M[subscript age] = 33.52 years, SD[subscript age] = 14.98) took…
Descriptors: Autism, Pervasive Developmental Disorders, Age Differences, Adolescents
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Thomas, Shiny; Hovinga, Mary E.; Rai, Dheeraj; Lee, Brian K. – Journal of Autism and Developmental Disorders, 2017
Epilepsy is reported to co-occur in individuals with autism spectrum disorder (ASD). Previous studies across the world have found prevalence estimates ranging from 4 to 38%. We examined parent-reported prevalence of co-occurring epilepsy and ASD in the most recent U.S. National Survey of Children's Health, 2011-2012. All analyses accounted for…
Descriptors: Incidence, Epilepsy, Comorbidity, Autism
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Kotey, Stanley; Ertel, Karen; Whitcomb, Brian – Journal of Autism and Developmental Disorders, 2014
Few large epidemiological studies have examined the co-occurrence of autism and asthma. We performed a cross-sectional study to examine this association using the 2007 National Survey of Children's Health dataset (n = 77,951). We controlled for confounders and tested for autism-secondhand smoke interaction. Prevalence of asthma and autism…
Descriptors: Autism, Diseases, Comorbidity, Children