Adult ADHD Prevalence & Incidence Increased Between 2007 & 2016

Adult prevalence and incidence of attention deficit/hyperactivity disorder (ADHD) increased between 2007 and 2016 among people who received care at Kaiser Permanente Northern California. Annual adult prevalence increased from 0.43% in 2007 to 0.96% in 2016. For context, annual prevalence among children increased from 2.96% in 2007 to 3.74% in 2016. Annual incidence of adult ADHD diagnosis per 10,000 person-years increased from 9.43 in 2007 to 13.49 in 2016.

Annual adult ADHD prevalence was consistently highest among white individuals compared to six other races/ethnicities. For white individuals, annual prevalence increased . . .