Validity and reliability of the Severity of Dependence Scale (SDS) in a Brazilian sample of drug users
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Authors: Cleusa P. Ferri; John Marsden; Marcelo de Araujo; Ronaldo R. Laranjeira; Michael Gossop
Authors: Cleusa P. Ferri; John Marsden; Marcelo de Araujo; Ronaldo R. Laranjeira; Michael Gossop
DOI: 10.1080/713659418
Publication Frequency: 6 issues per year
Published in: Drug and Alcohol Review, Volume 19, Issue 4 December 2000 , pages 451 – 455
Subject: Addiction & Treatment;
Number of References: 13
Formats available: PDF (English)
The circumstances under which this title is published have changed:
Reason for change: Changed Publisher
Now published by: Wiley-Blackwell Publishing Ltd
Date of change: 2009
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AbstractThe Severity of Dependence Scale (SDS) is a short, five-item scale which provides a measure of degree of dependence upon different drugs. The present study explores the validity and reliability of a Portuguese version of the instrument with a sample of 374 Brazilian drug users. Concurrent validity of the SDS was assessed in relation to reported quantity of drugs used and to DSM-IV dependence items, and test-retest reliability was assessed with a subsample of 42 subjects. The SDS total scores for powder cocaine, crack cocaine, cannabis and alcohol were significantly and highly positively correlated with severity of dependence as measured by DSM-IV,and with the estimated quantity of drugs used in the last month. Test-retest coefficients were high for all drugs studied. Principal components analysis showed that the SDS scores lie on a single dimension with the exception of crack cocaine where scores lie on a single dimension for treatment attenders and on two dimensions for community samples. The results indicate that the Portuguese version of the SDS is a valid research tool for measuring severity of dependence upon powder cocaine (snorted), crack cocaine (smoked), cannabis and alcohol. [Ferri CP,Marsden J, de Araujo M, Laranjeira RR, Gossop M. Validity and reliability of the Severity of Dependence Scale (SDS) in a Brazilian sample of drug users. Drug Alcohol Rev 2000;19:451-455]
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Keywords: Brazil; Construct; Validity; Dsm-IV; Sds; Severity; Of; Dependence; Test-RETEST; Reliability |
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