| Titre : | Concordance of self-reported drug use and saliva drug tests in a sample of emergency department patients (2014) |
| Auteurs : | S. MACDONALD ; C. J. CHERPITEL ; T. STOCKWELL ; G. MARTIN ; S. ISHIGURO ; K. VALLANCE ; J. BRUBACHER |
| Type de document : | Article : Périodique |
| Dans : | Journal of Substance Use (Vol.19, n°1-2, February-April 2014) |
| Article en page(s) : | 147-151 |
| Langues: | Anglais |
| Discipline : | PRO (Produits, mode d'action, méthode de dépistage / Substances, action mode, screening methods) |
| Mots-clés : |
Thésaurus géographique CANADAThésaurus mots-clés COMPARAISON ; DEPISTAGE ; PRODUIT ILLICITE ; AUTOEVALUATION ; SALIVE ; TEST ; URGENCE |
| Résumé : |
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. |
| Domaine : | Drogues illicites / Illicit drugs |
| Affiliation : | Centre for Addictions Research of BC, School of Health Information Science, University of Victoria, Victoria, Canada |
| Cote : | Abonnement |
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