Journal
RESEARCH IN AUTISM SPECTRUM DISORDERS
Volume 8, Issue 9, Pages 1121-1133Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.rasd.2014.05.006
Keywords
Autism spectrum disorders; Psychotropic drugs; Aggression; Sleep; Internalizing problems; Attention problems
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Aggressive behavior problems (ABP) are frequent yet poorly understood in children with autism spectrum disorders (ASD) and are likely to co-vary significantly with comorbid problems. We examined the prevalence and sociodemographic correlates of ABP in a clinical sample of children with ASD (N = 400; 2-16.9 years). We also investigated whether children with ABP experience more intensive medical interventions, greater impairments in behavioral functioning, and more severe comorbid problems than children with ASD who do not have ABP. One in four children with ASD had Child Behavior Checklist scores on the Aggressive Behavior scale in the clinical range (T-scores >= 70). Sociodemographic factors (age, gender, parent education, race, ethnicity) were unrelated to ABP status. The presence of ABP was significantly associated with increased use of psychotropic drugs and melatonin, lower cognitive functioning, lower ASD severity, and greater comorbid sleep, internalizing, and attention problems. In multivariate models, sleep, internalizing, and attention problems were most strongly associated with ABP. These comorbid problems may hold promise as targets for treatment to decrease aggressive behavior and proactively identify high-risk profiles for prevention. (C) 2014 Elsevier Ltd. All rights reserved.
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