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1. ProbCannabis-DT

Year: 2003

Decorte, T.; Muys, M.; Slock, S.

The ProbCannabis-DT was developed at Ghent University to screen for problematic cannabis use and comprises 6 yes/no questions with a total score ranging from 0 to 6, based on the criteria for cannabis/marijuana dependence as stated in the Diagnostic and Statistical Manual of Mental Disorders Fourth Edition (DSM-IV). A respondent can answer "yes," "no," or "no answer" to all six questions. A cutoff of 1 positive answer is intended to indicate problematic cannabis use, but this has never been validated.

Instrument Use & Availability

The original scale is in Dutch. An English translation can be found in the supplemental material for the Meersseman P, et al, 2016 article (Other References).

For more information, contact:
Alain G. Verstraete, MD, PhD
Department of Clinical Chemistry, Microbiology and Immunology
Ghent University, Belgium

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Instrument Details:

Source Reference:Decorte T, Muys M, Slock S. Cannabis in Vlaanderen: patronen van cannabisgebruik bij ervaren gebruikers. Leuven, Belgium: Acco; 2003.
Population studied:Adults
Instrument Type:Screening
Validity/Reliability:In Meersseman P, et al, 2016, the ProbCannabis-DT showed good sensitivity but low specificity for detecting cannabis users.

Supporting References:

  • Meersseman P, Vanhoutte S, Van Damme J, Maes L, Lemmens G, Heylens G, Verstraete AG. A comparative study of screening instruments and biomarkers for the detection of cannabis use. Subst Abuse 2016;37(1):176-80. doi: 10.1080/08897077.2015.1037947

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