Drug Use Disorders Identification Test (DUDIT)

The Drug Use Disorders Identification Test (DUDIT) was developed as a parallel instrument to the AUDIT (Alcohol Use Disorders Identification Test) for identification of individuals with drug-related problems. It is an 11 item self report instrument that asks about patterns of drugrelated problems.

The DUDIT was originally evaluated for its sensitivity to DSM-4 defined drug dependence, finding that a cut-off score of 25 yielded a sensitivity of 90% and a specificity of 88% (Bernman, Bregman, Palmstierna & Schlyter, 2005). The average score for a drug use sample (n = 160) from Sweden was 33.2 (SD= 8.0).

Scores are presented as a total score, which can be between 0 to 44.

If a male client shows a score of 6 or more points, he probably has drug related problems – either substance abuse/harmful use or dependence. A woman with a score of 2 or more points probably has drug-related problems. If a client (either sex) shows a score of 25 points or more, it is highly probable that he or she is dependent on one or more drugs.

Berman, A. H., Bergman, H., Palmstierna, T., & Schlyter, F. (2003). The Drug Use Disorders Identification Test Manual. Karolinska Institutet, Department of Clinical Neuroscience Section for Alcohol and Drug Dependence Research, M4:02, 171 76 Stockholm.

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