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Addict Behav. 2019 Aug;95:11-15. doi: 10.1016/j.addbeh.2019.02.016. Epub 2019 Feb 18.

Evaluation of the psychometric properties of the cannabis use disorders identification test - revised among college students.

Author information

1
Department of Psychology, 226 Thach Hall, Auburn University, Auburn, AL 36849, United States of America.
2
Department of Psychology, 226 Thach Hall, Auburn University, Auburn, AL 36849, United States of America. Electronic address: correcj@auburn.edu.

Abstract

OBJECTIVE:

Cannabis use is common among college students and is associated with a variety of negative consequences. The Cannabis Use Disorders Identification Test Revised (CUDIT-R) is an 8-item screening instrument designed to identify potentially problematic or harmful recent cannabis use. The purpose of the current study was to evaluate the internal consistency and validity of the CUDIT-R in a sample of college students who reported recent cannabis use (past 30 day).

METHODS:

Participants (n = 229) completed the CUDIT-R and measures of smoking behavior (Daily Smoking Questionnaire; DSQ), cannabis related consequences (Marijuana Problem Index; MPI), and problematic cannabis use (self-reported DSM-5 Cannabis Use Disorder Criteria).

RESULTS:

The CUDIT-R showed good internal consistency and concurrent validity with cannabis related outcome measures including; frequency of use, cannabis related consequences, and total DSM-5 criteria endorsed. The CUDIT-R also showed evidence of discriminant validity across DSM-5 severity classifications, achieved high levels of sensitivity (0.929) and specificity (0.704), and excellent area under the receiver operating characteristics curve when using a cutoff score of six. All items displayed high levels of discrimination and varied in terms of difficulty and information provided.

CONCLUSIONS:

Overall, the CUDIT-R appears to be a reliable and valid screening measure when used to identify college students at risk for cannabis related problems. Future research should further evaluate the sensitivity and specificity of the CUDIT-R threshold scores with more rigorously established DSM-5 diagnoses, and across a range of populations. Research on the utility of using the CUDIT-R for measuring treatment outcomes is also warranted.

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