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The reliability and validity of the Severity of Dependence Scale for detecting cannabis dependence in psychosis.

Hides, Leanne, Dawe, Sharon, Young, Ross McD., & Kavanagh, David J. (2007) The reliability and validity of the Severity of Dependence Scale for detecting cannabis dependence in psychosis. Addiction, 102(1), pp. 35-40.

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Abstract

Aims: To determine the reliability and validity of the Severity of Dependence Scale (SDS) for detecting cannabis dependence in a large sample of in-patients with a schizophrenia spectrum disorder.

Design: Cross-sectional study.

Participants: Participants were 153 in-patients with a schizophrenia spectrum disorder in Brisbane, Australia.

Measurements: Participants were administered the SDS for cannabis dependence in the past 12 months. The presence of Diagnostic and Statistical Manual Version-IV (DSM-IV) cannabis dependence in the previous 12 months was assessed using the Comprehensive International Diagnostic Interview (CIDI).

Findings: The SDS had high levels of internal consistency and strong construct and concurrent validity. Individuals with a score of ≥2 on the SDS were nearly 30 times more likely to have DSM-IV cannabis dependence. The SDS was the strongest predictor of DSM-IV cannabis dependence after controlling for other predictor variables. Conclusions: The SDS is a brief, valid and reliable screen for cannabis dependence among people with psychosis

Impact and interest:

23 citations in Scopus
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16 citations in Web of Science®

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ID Code: 29157
Item Type: Journal Article
Keywords: Cannabis dependence, Comorbidity, Drug abuse, Screening, Test validity
DOI: 10.1111/j.1360-0443.2006.01669.x
ISSN: 0965-2140
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Deposited On: 08 Dec 2009 14:12
Last Modified: 29 Feb 2012 23:39

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