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Alcohol and Alcoholism Advance Access published online on September 5, 2005
Alcohol and Alcoholism, doi:10.1093/alcalc/agh202
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© The Author 2005. Published by Oxford University Press on behalf of the Medical Council on Alcohol. All rights reserved
Received May 4, 2005
Revised August 5, 2005
Accepted August 8, 2005

Article

CONCURRENT AND CONSTRUCT VALIDITY OF THE AUDIT IN AN URBAN BRAZILIAN SAMPLE

CARLOS TADEU LIMA 1*, ANTONIO CARLOS C. FREIRE 2, ANDREZZA PAULA B. SILVA 2, RODRIGO MAIA TEIXEIRA 2, MICHAEL FARRELL 3, and MARTIN PRINCE 3

1 State University of Feira de Santana, Brazil; Institute of Psychiatry, Kings College of London, UK
2 School of Medicine and Public Health of Bahia, Brazil
3 Institute of Psychiatry, Kings College of London, UK

* To whom correspondence should be addressed.
CARLOS TADEU LIMA, E-mail: c.lima{at}iop.kcl.ac.uk


  Abstract

Aims: To assess the concurrent and the construct validity of the Alcohol Use Disorders Identification Test (AUDIT) in an urban Brazilian sample. Methods: A random sample of 166 clients of a health management organization, participated in this study. They were visited in their households and completed a self-report questionnaire, which included the AUDIT. Later, they answered the alcohol-related disorders (ARDs) Section of the Composite International Diagnostic Interview. The receiver operating curve (ROC) was used to find the best cut-off point for ICD-10 diagnosis of ARDs. Confirmatory factor analysis was run to assess the construct validity. Results: The ROC analysis showed the same cut-off point (7/8) for ICD-10 diagnosis of ARDs found in previous studies carried out in primary care settings, including in Brazil, with a sensitivity of 100% and a specificity of 76%. The confirmatory factor analysis suggested a two-factor structure. The first factor measured consumption and the second factor alcohol-related problems. Conclusions: The results supported the use of the self-reported version of the AUDIT in epidemiologic studies, and showed a similar cut-off point for detection of ARDs and hazardous drinking.


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