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Using the Severity of Dependence Scale to screen for DSM-5 khat use disorder

Duresso, SW ORCID: 0000-0002-8823-2601, Matthews, AJ ORCID: 0000-0003-2961-9125, Ferguson, SG ORCID: 0000-0001-7378-3497 and Bruno, R ORCID: 0000-0001-6673-833X 2018 , 'Using the Severity of Dependence Scale to screen for DSM-5 khat use disorder' , Human psychopharmacology, vol. 33, no. 2 , pp. 1-9 , doi: 10.1002/hup.2653.

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Objective: This study aimed to determine the efficacy of the Severity of Dependence Scale(SDS) as a screening tool for Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition‐defined khat use disorder.Methods: Cross‐sectional, purposive sample of past‐year khat consumers aged 16 and abovewere recruited from khat markets and cafes from university and general community in Adama,Ethiopia. Participants self‐completed a survey comprising current substance use disorder.Results: The SDS formed a unifactorial structure, consistent with the dependence construct.Almost three quarters (73%) of the sample were identified as experiencing Diagnostic and StatisticalManual of Mental Disorders, Fifth Edition khat use disorder. The SDS demonstrated excellentdiscrimination (area under the curve = 0.92) and an optimal cut‐off as a score of 3 or greater, withsensitivity of 81% and specificity of 96%. This classification validly identified a group with morefrequent and higher dose khat use than participants that did not screen positive.Conclusion: Although khat is a mild stimulant, there is clear evidence that some consumersare both concerned with their use and experience problems associated with their use. Consistentwith its application for other drugs, the SDS is a brief and simple screening tool that appears tovalidly identify individuals experiencing a khat use disorder syndrome and experiencing high ratesof adverse consequences in association with use.

Item Type: Article
Authors/Creators:Duresso, SW and Matthews, AJ and Ferguson, SG and Bruno, R
Keywords: khat, dependence, screening
Journal or Publication Title: Human psychopharmacology
Publisher: John Wiley & Sons Ltd
ISSN: 0885-6222
DOI / ID Number: 10.1002/hup.2653
Copyright Information:

© 2018 John Wiley & Sons, Ltd.

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