2007
5,230 citations Research paper

The Worldwide Prevalence of ADHD: A Systematic Review and Metaregression Analysis

Guilherme V. Polanczyk, Maurício Silva de Lima, Bernardo Lessa Horta, Joseph Biederman, Luís Augusto Rohde

Abstract

Our findings suggest that geographic location plays a limited role in the reasons for the large variability of ADHD/HD prevalence estimates worldwide. Instead, this variability seems to be explained primarily by the methodological characteristics of studies.

Topics

Attention Deficit Hyperactivity Disorder Cognitive Abilities and Testing

Categories

Health Sciences Medicine Psychiatry and Mental health

Tags

Biochemistry Biology Internal medicine Medicine MEDLINE Meta-analysis Psychology Systematic review
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