Cannabis Use Disorder Test (CUDIT-R)

Please answer the following questions about your cannabis use. Select the response that is most correct for you in relation to your cannabis use over the last six months. This questionnaire was designed for self-administration and is scored by adding each of the 8 items. Questions 1-7 are scored on a 0-4 scale. Question 8 is scored 0, 2 or 4.

1. How often do you use cannabis?

  • Never (0 points)
  • Monthly or less (1 point)
  • 2-4 times a month (2 points)
  • 2-3 times a week (3 points)
  • 4 or more times a week (4 points)

2. How many hours were you “stoned” on a typical day when you were using cannabis?

  • Less than 1 (0 points)
  • 1 or 2 (1 point)
  • 3 or 4 (2 points)
  • 5 or 6 (3 points)
  • 7 or more (4 points)

3. How often during the last 6 months did you find that you were not able to stop using cannabis once you had started?

  • Never (0 points)
  • Less than monthly (1 point)
  • Monthly (2 points)
  • Weekly (3 points)
  • Daily or almost daily (4 points)

4. How often during the last 6 months did you fail to do what was normally expected from you because of using cannabis?

  • Never (0 points)
  • Less than monthly (1 point)
  • Monthly (2 points)
  • Weekly (3 points)
  • Daily or almost daily (4 points)

5. How often in the past 6 months have you devoted a great deal of your time to getting, using or recovering from cannabis?

  • Never (0 points)
  • Less than monthly (1 point)
  • Monthly (2 points)
  • Weekly (3 points)
  • Daily or almost daily (4 points)

6. How often during the last 6 months have you had a problem with your memory or concentration after using cannabis?

  • Never (0 points)
  • Less than monthly (1 point)
  • Monthly (2 points)
  • Weekly (3 points)
  • Daily or almost daily (4 points)

7. How often do you use cannabis in situations that could be physically hazardous, such as driving, operating machinery, or caring for children?

  • Never (0 points)
  • Less than monthly (1 point)
  • Monthly (2 points)
  • Weekly (3 points)
  • Daily or almost daily (4 points)

8. Have you ever thought about cutting down, or stopping, your use of cannabis?

  • Never (0 points)
  • Yes, but not in the past 6 months (2 points)
  • Yes, during the past 6 months (4 points)

Scores of 8 points or more indicate hazardous cannabis use. Scores of 12 or more indicate a possible cannabis use disorder and it would be a good idea to explore this more with an expert.