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dc.contributor.authorMacdonald, S.
dc.contributor.authorCherpitel, C.
dc.contributor.authorStockwell, Tim
dc.contributor.authorMartin, G.
dc.contributor.authorIshiguro, S.
dc.contributor.authorVallance, K.
dc.contributor.authorBrubacher, J.
dc.date.accessioned2017-01-30T12:13:59Z
dc.date.available2017-01-30T12:13:59Z
dc.date.created2015-10-29T04:09:42Z
dc.date.issued2014
dc.identifier.citationMacdonald, S. and Cherpitel, C. and Stockwell, T. and Martin, G. and Ishiguro, S. and Vallance, K. and Brubacher, J. 2014. Concordance of self-reported drug use and saliva drug tests in a sample of emergency department patients. Journal of Substance Use. 19 (1-2): pp. 147-151.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/19455
dc.identifier.doi10.3109/14659891.2012.760010
dc.description.abstract

The purpose of this study was to assess the concordance of self-reports of cannabis, cocaine and amphetamines usage, with a saliva point-of-collection drug test, the DrugWipe 5+, in an emergency department (ED) setting. Methods: A random sample of people admitted to either of two emergency departments at hospitals in British Columbia, Canada were asked to participate in an interview on their substance use and provide a saliva test for the detection of drugs. Analyses: Concordance of self-reports and drug tests were calculated. Prior to DrugWipe 5+, sensitivity and specificity estimates were compared against a gold standard of mass spectrometry and chromatography (MS/GC). This was used as a basis to assess the truthfulness of self-reports for each drug. Results: Of the 1584 patients approached, 1190 agreed to participate, which is a response rate of 75.1%. For cannabis, among those who acknowledged use, only 21.1% had a positive test and 2.1% of those who reported no use had a positive test. For cocaine and amphetamines respectively, 50.0% and 57.1% tested positive among those reporting use, while 2.1% and 1.3%, respectively, reported no use and tested positive. Self-reports of cannabis and amphetamines use appear more truthful than self-reports of cocaine use.

dc.titleConcordance of self-reported drug use and saliva drug tests in a sample of emergency department patients
dc.typeJournal Article
dcterms.source.volume19
dcterms.source.number1-2
dcterms.source.startPage147
dcterms.source.endPage151
dcterms.source.issn1465-9891
dcterms.source.titleJournal of Substance Use
curtin.departmentNational Drug Research Institute (NDRI)
curtin.accessStatusFulltext not available


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