ADHD symptoms in children with mild intellectual disability

Emily Simonoff, Andrew Pickles, Nicky Wood, Paul Gringras, Oliver Chadwick

    Research output: Contribution to journalArticlepeer-review


    OBJECTIVES: To determine whether the nature and correlates of attention-deficit/hyperactivity disorder (ADHD) symptoms are different in subjects with mild intellectual disability (ID) compared to subjects with average ability. METHOD: From a general population sample of 2,726 12- to 15-year-olds, a stratified subsample was selected to enrich for mild ID. A total of 192 subjects were included in the analyses. ADHD symptoms and other emotional/behavioral problems were measured with the parent and teacher Strengths and Difficulties Questionnaire and IQ with the WISC-III-UK), and social communication difficulties were assessed by a short version of the Social Communication Questionnaire and academic attainments by the Wechsler Quicktest. RESULTS: There was a negative linear relationship between ADHD symptoms and IQ (β = -.087, p
    Original languageEnglish
    Pages (from-to)591-600
    Number of pages9
    JournalJournal of the American Academy of Child and Adolescent Psychiatry
    Issue number5
    Publication statusPublished - May 2007


    • Attention-deficit/hyperactivity disorder
    • Childhood
    • Comorbidity
    • Epidemiology
    • Intellectual disability
    • Mental retardation


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