Autism spectrum disorder symptoms in children with ADHD: a community-based study

Green, Jessica Leigh, Rinehart, Nicole, Anderson, Vicki, Nicholson, Jan M., Jongeling, Brad and Sciberras, Emma 2015, Autism spectrum disorder symptoms in children with ADHD: a community-based study, Research in developmental disabilities, vol. 47, pp. 175-184, doi: 10.1016/j.ridd.2015.09.016.

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Title Autism spectrum disorder symptoms in children with ADHD: a community-based study
Author(s) Green, Jessica Leigh
Rinehart, NicoleORCID iD for Rinehart, Nicole
Anderson, Vicki
Nicholson, Jan M.
Jongeling, Brad
Sciberras, EmmaORCID iD for Sciberras, Emma
Journal name Research in developmental disabilities
Volume number 47
Start page 175
End page 184
Total pages 10
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2015-12
ISSN 1873-3379
Keyword(s) Attention-deficit hyperactivity disorder
Autism spectrum disorder
Summary This study examined the prevalence of autism spectrum disorder (ASD) symptoms in a community-based sample of children with attention-deficit/hyperactivity disorder (ADHD) and non-ADHD controls. We also examined the relationship between ASD symptoms and ADHD subtype, ADHD symptom severity and child gender. Participants were 6-10-year-old children (164 ADHD; 198 non-ADHD control) attending 43 schools in Melbourne, Australia, who were participating in the Children's Attention Project. ADHD was assessed in two stages using the parent and teacher Conners' 3 ADHD index and the Diagnostic Interview Schedule for Children IV (DISC-IV). ASD symptoms were identified using the Social Communication Questionnaire (SCQ). Unadjusted and adjusted linear and logistic regression examined continuous and categorical outcomes, respectively. Children with ADHD had more ASD symptoms than non-ADHD controls (adjusted mean difference=4.0, 95% confidence interval (CI) 2.8; 5.3, p<0.001, effect size=0.7). Boys with ADHD had greater ASD symptom severity than girls with ADHD (adjusted mean difference=2.9, 95% CI 0.8; 5.2, p=0.01, effect size=0.4). Greater ADHD symptom severity was associated with greater ASD symptom severity (regression co-efficient=1.6, 95% CI 1.2; 2.0, p<0.001). No differences were observed by ADHD subtype. Greater hyperactive/impulsive symptoms were associated with greater ASD symptoms (regression coefficient=1.0; 95% CI 0.0; 2.0, p=0.04) however, this finding attenuated in adjusted analyses (p=0.45). ASD symptoms are common in children with ADHD. It is important for clinicians to assess for ASD symptoms to ensure appropriate intervention.
Language eng
DOI 10.1016/j.ridd.2015.09.016
Field of Research 179999 Psychology and Cognitive Sciences not elsewhere classified
Socio Economic Objective 970117 Expanding Knowledge in Psychology and Cognitive Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2015, Elsevier
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Document type: Journal Article
Collections: Faculty of Health
School of Psychology
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