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Original Article

Autism severity as a predictor of inattention and impulsivity in toddlers

, , &
Pages 285-289 | Received 19 May 2013, Accepted 19 May 2013, Published online: 19 Jul 2013
 

Abstract

Objective: Evaluate how severity of autism spectrum disorder (ASD) symptoms predicts attention-deficit/hyperactivity disorder (ADHD) symptoms in atypically developing toddlers.

Method: Parents/caregivers of 2300 atypically developing toddlers’ ages 18–37 months were assessed about their children’s behaviours using the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT) Part 1 and the inattention/impulsivity subscale of the BISCUIT-Part 2.

Results: ASD symptom severity was positively and significantly correlated with inattention/impulsivity, indicating that children with more severe symptoms of ASD tended to have higher scores on the measure of inattention/impulsivity, R2 = 0.49, F (1, 2298) = 2234.72, p < 0.001. Additionally, ASD symptom severity significantly predicted inattention/impulsivity, β = 0.70, t (2298) = 47.27, p < 0.001.

Conclusions: ASD symptom severity predicts rates of ADHD symptoms in atypically developing toddlers. The implications of these findings are discussed in the context of other research.

Declaration of interest

The authors report no conflicts of interests. The authors alone are solely responsible for the content and writing of the paper.

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