Of US children aged 4 to 17 years, 4.1 million (7.2%) had a current ADHD diagnosis in 2007, and approximately 2.7 million were taking ADHD medication. The percentage of children with current ADHD and taking ADHD medication was 4.8% (), which represents 66.3% of those with a current ADHD diagnosis.
Parent-Reported Attention-Deficit/Hyperactivity Disorder (ADHD) (Current) and ADHD Medication Treatment Among Children Aged 4–17 Years, National Survey of Children’s Health, 2007–2008
Among children aged 4 to 17 years, current ADHD was associated with increasing age and male sex (); rates were significantly higher among boys aged 5 to 17 years (χ2 test, P < .05). Medication treatment rates by age were significantly different as a function of sex (age-by-sex interaction: F
13,73,121 = 2.08; P = .01); rates of medication treatment increased during early childhood for both sexes, leveled off among older girls, and decreased among teenaged boys. Medication rates were higher among boys than girls at every age.
Parent-reported current attention-deficit/hyperactivity disorder (ADHD) and ADHD medication treatment among US children, by age and sex, National Survey of Children’s Health, 2007–2008.
The lowest state-based rates of medicated ADHD were documented in 5 Western states (Nevada, California, Alaska, Hawaii, and New Mexico); the highest rates were documented in 5 Southern states (North Carolina, Louisiana, West Virginia, Arkansas, and Delaware). The percentage of children with current ADHD taking ADHD medication was lowest in Nevada, Alaska, and California and highest in Iowa, Missouri, and Mississippi. The national rate of medication treatment among children with current ADHD was 66.3% (95% confidence interval, 63.0-69.4); state-based rates ranged from 33% in Nevada to 79% in Mississippi.