The Gambling Urge Scale : reliability and validity in a clinical population

Smith, David P., Pols, Rene G., Battersby, Malcolm W. and Harvey, Peter W. 2013, The Gambling Urge Scale : reliability and validity in a clinical population, Addiction research and theory, vol. 21, no. 2, pp. 113-122, doi: 10.3109/16066359.2012.696293.

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Title The Gambling Urge Scale : reliability and validity in a clinical population
Author(s) Smith, David P.
Pols, Rene G.
Battersby, Malcolm W.
Harvey, Peter W.ORCID iD for Harvey, Peter W. orcid.org/0000-0003-2983-663X
Journal name Addiction research and theory
Volume number 21
Issue number 2
Start page 113
End page 122
Total pages 10
Publisher Taylor and Francis
Place of publication Oxford, Eng.
Publication date 2013
ISSN 1606-6359
1476-7392
Keyword(s) problem gambling
gambling urge scale
reliability
validity
clinical population
Summary The aim of this study was to establish reliability and validity of the Gambling Urge Scale (GUS) in a clinical population of problem gamblers. This cohort study was conducted in South Australia between March 2008 and March 2009. Participants were problem gamblers aged ≥18 years (n = 158) who were seeking treatment from a range of gambling help services. Measures included gambling urge, problem gambling screening, gambling behaviour and problems caused by gambling, such as personal health and relationships. The psychometric properties investigated were internal reliability, criterion-related validity, concurrent validity and construct validity. Results showed high internal consistency for GUS (α = 0.93) and significant item-rest correlations ranging from 0.72 to 0.86. For criterion-related validity, a GUS cut score of three correctly classified 81.13% of participants as problem gambling with sensitivity 84.75% and specificity 76.6%. Concurrent validity was significant with a number of gambling-related symptoms and problems including psychological disturbance, work and social functioning and gambling-related cognitions (p < 0.001). An insignificant correlation was found between gambling urge and sensation seeking traits (p = 0.663). When controlling for gender and age the instrument was shown to have significant predictive properties for different levels of gambling severity (p < 0.001). A principal component analysis for the one component showed an overall explained variance of 75.54%. These findings indicate that GUS is a valid and reliable instrument for problem gambling screening, to measure treatment outcomes and may predict relapse in problem gambling.
Language eng
DOI 10.3109/16066359.2012.696293
Field of Research 111799 Public Health and Health Services not elsewhere classified
1117 Public Health And Health Services
1701 Psychology
Socio Economic Objective 920499 Public Health (excl. Specific Population Health) not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, Informa UK
Persistent URL http://hdl.handle.net/10536/DRO/DU:30081534

Document type: Journal Article
Collections: Faculty of Health
School of Medicine
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