Autistic traits in children with and without ADHD.

Kotte, Amelia; Joshi, Gagan; Fried, Ronna; Uchida, Mai; Spencer, Andrea; Woodworth, K Yvonne; Kenworthy, Tara; Faraone, Stephen V et al. · Pediatrics · 2013

cross_sectional · Level IV

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Abstract

To assess the implications of autistic traits (ATs) in youth with attention-deficit/hyperactivity disorder (ADHD) without a diagnosis of autism. Participants were youth with (n = 242) and without (n = 227) ADHD and controls without ADHD in whom a diagnosis of autism was exclusionary. Assessment included measures of psychiatric, psychosocial, educational, and cognitive functioning. ATs were operationalized by using the withdrawn + social + thought problems T scores from the Child Behavior Checklist. A positive AT profile was significantly overrepresented among ADHD children versus controls (18% vs 0.87%; P < .001). ADHD children with the AT profile were significantly more impaired than control subjects in psychopathology, interpersonal, school, family, and cognitive domains. A substantial minority of ADHD children manifests ATs, and those exhibiting ATs have greater severity of illness and dysfunction.

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