Cited by 354Attention Deficit Hyperactivity DisorderAutism Spectrum Disorder ResearchChild and Adolescent Psychosocial and Emotional Development

Autistic traits in a population-based ADHD twin sample

Reiersen, Angela M., Constantino, John N., Volk, Heather E., Todd, Richard D.·2007·Journal of Child Psychology and Psychiatry

Abstract

Background: Most diagnostic nomenclatures do not allow for the concurrent diagnosis of autism and attention‐deficit/hyperactivity disorder (ADHD). Clinic‐based studies suggest autistic symptoms are common in children with ADHD, but such studies are prone to referral bias. This study assesses whether children with ADHD selected from the general twin population have elevated levels of autistic traits. Methods: Nine hundred forty‐six twins identified by Missouri birth records were assigned to DSM‐IV ADHD diagnoses and seven population‐derived ADHD subtypes defined through latent class analysis of DSM‐IV ADHD symptoms. The Social Responsiveness Scale (SRS) was used as a quantitative measure of autistic traits. Linear regression was used to evaluate whether mean SRS scores differed between ADHD diagnostic groups. Results: Mean SRS scores for DSM‐IV predominantly inattentive subtype and combined subtype ADHD groups were significantly higher than for subjects without DSM‐IV ADHD ( p < .001, both comparisons). Five of the population‐derived ADHD subtypes (talkative‐impulsive, mild and severe inattentive, mild and severe combined) had significantly higher mean SRS scores compared to the latent class subtype with few ADHD symptoms ( p < .001, all comparisons). DSM‐IV combined subtype and the population‐derived severe combined subtype had the highest mean total SRS scores and the highest mean scores for each of the three autism symptom domains, with a substantial proportion of individuals scoring in the clinically significant range. Conclusions: This study provides population‐based evidence for clinically significant elevations of autistic traits in children meeting diagnostic criteria for ADHD. These results have implications for the design and interpretation of studies of both disorders.

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Crossref · 10.1111/j.1469-7610.2006.01720.x

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Authors
Reiersen, A. M., Constantino, J. N., Volk, H. E., & Todd, R. D.
Affiliations
  • Washington University in St. Louis (US)
  • Saint Louis University (US)
Corresponding author
Reiersen, Angela M.
Venue
Journal of Child Psychology and Psychiatry
Publisher
Wiley
Published
2007-01-22
Volume
48
Issue
5
Pages
464-472
ISSN
  • 0021-9630 (ISSN-L)
  • 1469-7610
OpenAlex
W2131009185
Cited by
352
References
26
Citations by year
2026: 2 · 2025: 9 · 2024: 18 · 2023: 12 · 2022: 16 · 2021: 16 · 2020: 11 · 2019: 12 · 2018: 13 · 2017: 20 · 2016: 25 · 2015: 25 · 2014: 44 · 2013: 33 · 2012: 24
FWCI
11.05
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Child Psychology and Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Institutes of Health
  • National Institute of Mental Health (F31MH074272, T32MH017104, R01MH052813, MH74272, MH-52813, MH 17104)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HD42541, R01HD042541)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Social Sciences › Psychology › Clinical Psychology › Child and Adolescent Psychosocial and Emotional Development
Keywords
autistic traits, autism spectrum disorder, attention deficit hyperactivity disorder, comorbidities, Social Responsiveness Scale, latent class analysis, ADHD subtypes, inattentive subtype, combined subtype, referral bias, children
MeSH terms
Adolescent, Adult, Attention Deficit Disorder with Hyperactivity, Autistic Disorder, Child, Child Behavior, Female, Humans, Male, Missouri, Twins, Diagnostic and Statistical Manual of Mental Disorders

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