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Research Article| Volume 142, 109180, May 2023

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Active epilepsy prevalence among U.S. adults is 1.1% and differs by educational level—National Health Interview Survey, United States, 2021

  • Rosemarie Kobau
    Correspondence
    Corresponding author at: CDC, Division of Population Health, Epilepsy Program, 4770 Buford Highway NE, MS 107-6, Atlanta, GA 30341, United States.
    Affiliations
    Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Division of Population Health, 4770 Buford Highway NE, MS 107-6, Atlanta, GA 30341, United States
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  • Cecily Luncheon
    Affiliations
    ASRT, Inc. Epilepsy Program, Division of Population Health, National Center for Chronic Disease Prevention and Health Promotion, Centers for Disease Control and Prevention (CDC), Mail Stop 107-6, 4770 Buford Hwy, 30341 GA, United States
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  • Kurt Greenlund
    Affiliations
    Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Division of Population Health, 4770 Buford Highway NE, MS 107-6, Atlanta, GA 30341, United States
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      Highlights

      • In 2021, 1.1% of U.S. adults, (about 2,865,000 adults) reported active epilepsy.
      • Active epilepsy prevalence differed by educational level.
      • About 382,000 U.S. Hispanic adults have active epilepsy.
      • About 473,000 U.S. non-Hispanic Black adults have active epilepsy.
      • More than half of U.S. adults with active epilepsy have ≤high school diploma/GED.

      Abstract

      This study used the most recent national data from the 2021 National Health Interview Survey (NHIS) to provide updated estimates of the prevalence of active epilepsy (self-reported doctor-diagnosed epilepsy, currently under treatment with antiseizure medicines or had at least 1 seizure in the past 12 months, or both) and inactive epilepsy (self-reported doctor-diagnosed history of epilepsy, not under treatment with antiseizure medicines and with no seizures in the past 12 months) overall and by sex, age groups, race/ethnicity, education level, and health insurance status. In 2021, 1.1% of U.S. adults, (approximately 2,865,000 adults) reported active epilepsy; 0.6% (approximately 1,637,000 adults) reported inactive epilepsy. The prevalence of active epilepsy and inactive epilepsy did not differ by age or sex. Active and inactive epilepsy prevalence differed by educational level. Weighted population estimates are reported for each subgroup (e.g., women; non-Hispanic Blacks) for program or policy development. Although active epilepsy prevalence has remained relatively stable over the past decade, this study shows that more than half of U.S. adults with active epilepsy have ≤high school diploma/GED, which can inform the development and implementation of interventions. Additional monitoring is necessary to examine population trends in active prevalence overall and in subgroups.

      Keywords

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