Greatest relative increase in diagnosis rate occurred among 26- to 34-year-olds; greater increases seen for females versus males
No increased rates of positive M-CHAT-R screening seen for offspring
XGBoost model demonstrated strong performance with AUROC of 0.895 and sensitivity and specificity of 0.805 and 0.829
Male infant sex and having more than one older affected sibling were significant predictors of familial recurrence
Findings show short-term benefits, which are largely not preserved at 12-month follow-up
Difference in heritability estimated at 11.3 percent, with higher heritability for males than females
Differences in motor skills, sensory and autism features, but not ADHD features, impact daily living skills in children with autism
However, adults with ADHD score lower than those with autism on total camouflaging and subscales
In children with ASD, ADHD, sleep problems partially mediate the association between symptoms and communication
Prenatal exposure may impact development of autism spectrum disorder in first five years