Prevalence and predictors of complementary and alternative medicine use in a large insured sample of children with Autism Spectrum Disorders

•We examined the prevalence and predictors of complementary and alternative medicine (CAM) use among children with ASD.•We administered a web-based survey to parents of children with ASD.•The majority of participants had either used CAM in the past or had recently used some type of CAM.•Greater parental education, younger child age and prescription drug use were associated with CAM use.