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Br J Psychiatry. 2007 May;190:402-9.

Cross-national prevalence and correlates of adult attention-deficit hyperactivity disorder.

Author information

1
Department of Psychiatry and Clinical Psychology, St George Hospital University Medical Centre, PO Box 166378, Beirut-Achrafieh 1100-2807, Lebanon. jfayyad@idraac.org

Abstract

BACKGROUND:

Little is known about the epidemiology of adult attention-deficit hyperactivity disorder (ADHD).

AIMS:

To estimate the prevalence and correlates of DSM-IV adult ADHD in the World Health Organization World Mental Health Survey Initiative.

METHOD:

An ADHD screen was administered to respondents aged 18-44 years in ten countries in the Americas, Europe and the Middle East (n=11422). Masked clinical reappraisal interviews were administered to 154 US respondents to calibrate the screen. Multiple imputation was used to estimate prevalence and correlates based on the assumption of cross-national calibration comparability.

RESULTS:

Estimates of ADHD prevalence averaged 3.4% (range 1.2-7.3%), with lower prevalence in lower-income countries (1.9%) compared with higher-income countries (4.2%). Adult ADHD often co-occurs with other DSM-IV disorders and is associated with considerable role disability. Few cases are treated for ADHD, but in many cases treatment is given for comorbid disorders.

CONCLUSIONS:

Adult ADHD should be considered more seriously in future epidemiological and clinical studies than is currently the case.

PMID:
17470954
DOI:
10.1192/bjp.bp.106.034389
[Indexed for MEDLINE]

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