Alcohol and Alcoholism Advance Access originally published online on September 5, 2005
Alcohol and Alcoholism 2005 40(6):584-589; doi:10.1093/alcalc/agh202
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CONCURRENT AND CONSTRUCT VALIDITY OF THE AUDIT IN AN URBAN BRAZILIAN SAMPLE
1 State University of Feira de Santana, Brazil, 2 Institute of Psychiatry, Kings College of London, UK and 3 School of Medicine and Public Health of Bahia, Brazil
* Author to whom correspondence should be addressed at: Institute of Psychiatry, Section of Epidemiology, PO Box 60, De Crespigny Park, Denmark Hill, SE5 8AF, London, UK. Tel.: +44 20 7848 0128; Fax: +44 20 7277 0283; E-mail: c.lima{at}iop.kcl.ac.uk
(Received 4 May 2005; first review notified 11 July 2005; in revised form 5 August 2005; accepted 8 August 2005)
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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