Age-related differences in the prevalence and correlates of anxiety in youth with autism spectrum disorders

Roma A Vasa, Luther Kalb, Micah Mazurek, Stephen Kanne, Brian Freedman, Amy Keefer, Traci Clemons, Donna Murray

Research output: Contribution to journalArticle

Abstract

Age-related differences in the prevalence and correlates of anxiety were cross-sectionally examined in 1316 children and adolescents with autism spectrum disorder (ASD) who presented for initial evaluation at 14 outpatient autism centers around the country and in Canada. The prevalence of clinical and subclinical anxiety as well as the correlates of anxiety were examined in three age groups of children: preschool, school age and adolescents. Findings showed that the prevalence of anxiety in each age group exceeded the prevalence of anxiety in the general population. Adolescents and school age children had the highest prevalence of clinical (40%) and subclinical anxiety (26%), respectively. Higher IQ and less ASD severity were each weakly correlated with more anxiety in preschool and school age children. Affective symptoms were strongly associated with anxiety in each age group. Age specific psychiatric comorbidities were also present. Anxiety was associated with attention deficit hyperactivity disorder (ADHD) and oppositional defiant disorder (ODD) symptoms in the preschool group, ODD and somatic symptoms in the school age children, and ADHD symptoms in adolescents. These data underscore the need for prevention and treatment of anxiety as well as research examining the characteristics of anxiety in children with ASD using a developmental framework.

Original languageEnglish (US)
Pages (from-to)1358-1369
Number of pages12
JournalResearch in Autism Spectrum Disorders
Volume7
Issue number11
DOIs
StatePublished - Nov 1 2013

Fingerprint

Anxiety
Attention Deficit and Disruptive Behavior Disorders
Age Groups
Attention Deficit Disorder with Hyperactivity
Autism Spectrum Disorder
Affective Symptoms
Preschool Children
Autistic Disorder
Canada
Psychiatry
Comorbidity
Outpatients
Research
Population

Keywords

  • Age group
  • Anxiety
  • Autism
  • Correlate
  • Prevalence

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Clinical Psychology
  • Developmental and Educational Psychology

Cite this

Age-related differences in the prevalence and correlates of anxiety in youth with autism spectrum disorders. / Vasa, Roma A; Kalb, Luther; Mazurek, Micah; Kanne, Stephen; Freedman, Brian; Keefer, Amy; Clemons, Traci; Murray, Donna.

In: Research in Autism Spectrum Disorders, Vol. 7, No. 11, 01.11.2013, p. 1358-1369.

Research output: Contribution to journalArticle

Vasa, Roma A ; Kalb, Luther ; Mazurek, Micah ; Kanne, Stephen ; Freedman, Brian ; Keefer, Amy ; Clemons, Traci ; Murray, Donna. / Age-related differences in the prevalence and correlates of anxiety in youth with autism spectrum disorders. In: Research in Autism Spectrum Disorders. 2013 ; Vol. 7, No. 11. pp. 1358-1369.
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