Racial-Ethnic Differences in ADHD Diagnosis and Treatment During Adolescence and Early Adulthood
Abstract
Objective:
This study examined racial-ethnic differences in attention-deficit hyperactivity disorder (ADHD) diagnosis and treatment during adolescence and early adulthood.
Methods:
A national health care claims database was used to identify a cohort of 4,216,757 commercially insured youths with at least 1 year of coverage during 2014–2019. Racial-ethnic differences in the prevalence of visits with a recorded ADHD diagnosis (identified through ICD-9-CM and ICD-10-CM codes) and of ADHD treatment (identified through medical claims for psychosocial treatments and pharmacy claims for ADHD medications) were examined. Period prevalence rates were determined within five age categories, stratified by race-ethnicity. Poisson regression with a natural log link was used within each age category to estimate prevalence ratios (PRs) comparing prevalence in each racially and ethnically minoritized group with prevalence in the White group.
Results:
The overall prevalence of ADHD diagnosis was 9.1% at ages 12–14 and 5.3% at ages 24–25. In each age category, Asian, Black, and Hispanic youths had lower prevalence of ADHD diagnosis than did White youths (PR=0.29–0.77). Among youths with an ADHD diagnosis, relative racial-ethnic differences in treatment were small (PR=0.92–1.03).
Conclusions:
Throughout adolescence and early adulthood, racially and ethnically minoritized youths were less likely than White youths to have health care visits with recorded ADHD diagnoses and, among those with diagnoses, were also slightly less likely to receive treatment. More research is needed to understand the processes underlying these differences and their potential health consequences among racially and ethnically minoritized youths.
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