Communication Disorders: Prevalence and Comorbid Intellectual Disability, Autism, and Emotional/Behavioral Disorders Purpose To determine a population-based estimate of communication disorders (CDs) in children; the co-occurrence of intellectual disability (ID), autism, and emotional/behavioral disorders; and the impact of these conditions on the prevalence of CDs. Method Surveillance targeted 8-year-olds born in 1994 residing in 2002 in the 3 most populous ... Research Article
Research Article  |   November 01, 2007
Communication Disorders: Prevalence and Comorbid Intellectual Disability, Autism, and Emotional/Behavioral Disorders
 
Author Affiliations & Notes
  • Judith Pinborough-Zimmerman
    University of Utah, Salt Lake City
  • Robert Satterfield
    Utah Department of Health, Salt Lake City
  • Judith Miller
    University of Utah
  • Deborah Bilder
    University of Utah
  • Shaheen Hossain
    Utah Department of Health
  • William McMahon
    University of Utah
  • Contact author: Judith Pinborough-Zimmerman, University of Utah, Salt Lake City, 650 Komas, Suite 206, Salt Lake City, UT 84108. E-mail: judith.zimmerman@hsc.utah.edu.
Article Information
Special Populations / Genetic & Congenital Disorders / Autism Spectrum / School-Based Settings / Regulatory, Legislative & Advocacy / Language Disorders / Attention, Memory & Executive Functions / Research Articles
Research Article   |   November 01, 2007
Communication Disorders: Prevalence and Comorbid Intellectual Disability, Autism, and Emotional/Behavioral Disorders
American Journal of Speech-Language Pathology, November 2007, Vol. 16, 359-367. doi:10.1044/1058-0360(2007/039)
History: Received October 11, 2006 , Revised March 26, 2007 , Accepted June 21, 2007
 
American Journal of Speech-Language Pathology, November 2007, Vol. 16, 359-367. doi:10.1044/1058-0360(2007/039)
History: Received October 11, 2006; Revised March 26, 2007; Accepted June 21, 2007
Web of Science® Times Cited: 23

Purpose To determine a population-based estimate of communication disorders (CDs) in children; the co-occurrence of intellectual disability (ID), autism, and emotional/behavioral disorders; and the impact of these conditions on the prevalence of CDs.

Method Surveillance targeted 8-year-olds born in 1994 residing in 2002 in the 3 most populous counties in Utah (n = 26,315). A multiple-source record review was conducted at all major health and educational facilities.

Results A total of 1,667 children met the criteria of CD. The prevalence of CD was estimated to be 63.4 per 1,000 8-year-olds (95% confidence interval = 60.4–66.2). The ratio of boys to girls was 1.8:1. Four percent of the CD cases were identified with an ID and 3.7% with autism spectrum disorders (ASD). Adjusting the CD prevalence to exclude ASD and/or ID cases significantly affected the CD prevalence rate. Other frequently co-occurring emotional/behavioral disorders with CD were attention deficit/hyperactivity disorder, anxiety, and conduct disorder.

Conclusions Findings affirm that CDs and co-occurring mental health conditions are a major educational and public health concern.

Acknowledgments
This research was partially funded by the Centers for Disease Control and Prevention under Cooperative Agreement UR3/CCU822365 to establish Population-Based Surveillance of Autism Spectrum Disorders. Thanks are extended to Dr. Catherine Rice, Dr. Jon Baio, Nancy Doernberg, Dr. George Delavan, Dr. Kristina Brady-Allen, Lynne MacLeod, Dr. Catherine Parry, Carmen B. Pingree, Lyle Odenhayl, Jocelyn Taylor, and Elizabeth Pinborough.
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