Possible relevant behaviors include infant temperament and developmental milestones at 9 months

Prevalence was 3.4 times higher among boys than girls and was lower among White children versus those of other races/ethnicities

Review shows benefits for social responsiveness, disruptive behavior, and anxiety

Adults with autism and co-occurring ADHD have higher negative health outcome rates

Expenditures significantly higher when medical complexity and autism overlap versus either one alone

Increase in odds of dementia diagnosis seen with age among those with ASD only and ASD plus intellectual disabilities

Estimated 61.8 million individuals were on the autism spectrum globally in 2021, with prevalence of 788.3 per 100,000 people

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