• Journal of global health · Feb 2021

    Meta Analysis

    The prevalence of adult attention-deficit hyperactivity disorder: A global systematic review and meta-analysis.

    • Peige Song, Mingming Zha, Qingwen Yang, Yan Zhang, Xue Li, Igor Rudan, and Global Health Epidemiology Reference Group (GHERG).
    • School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
    • J Glob Health. 2021 Feb 11; 11: 0400904009.

    BackgroundAdult attention-deficit hyperactivity disorder (ADHD) has recently attracted much attention, however, an up-to-date estimation on the prevalence of adult ADHD is lacking. In this study, we aimed to assess the global prevalence of adult ADHD in the general population through a systematic review and meta-analysis.MethodsPubMed, Medline, Embase and PsycINFO were searched to identify relevant articles published from January 2000 onwards. Population-based studies that were conducted in the general adult population and quantified the prevalence of adult ADHD were included.ResultsThe prevalence of persistent adult ADHD (with a childhood onset) and symptomatic adult ADHD (regardless of a childhood onset) both decreased with advancing age. By adjusting for the global demographic structure in 2020, the prevalence of persistent adult ADHD was 2.58% and that of symptomatic adult ADHD was 6.76%, translating to 139.84 million and 366.33 million affected adults in 2020 globally.ConclusionsThis study provides an up-to-date estimation of the global prevalence of both persistent and symptomatic adult ADHD. A well-defined strategy for diagnosing adult ADHD and large-scale investigations on the epidemiology of adult ADHD are needed.Copyright © 2021 by the Journal of Global Health. All rights reserved.

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    This article appears in the collection: Attention deficit and hyperactivity disorder.

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