DUDIT Calculator
Score the 11-item Drug Use Disorders Identification Test with sex-specific interpretation and risk guidance.
What Is the DUDIT?
The Drug Use Disorders Identification Test (DUDIT) is an 11-item screening tool for non-alcohol drug use patterns over the past year. It complements alcohol screens such as the AUDIT-C Calculator and full AUDIT Test Calculator.
Scoring
Questions 1 through 9 use a 0 to 4 frequency scale. Questions 10 and 11 score 0, 2, or 4 depending on whether harm or concern occurred, and when. Total scores range from 0 to 44.
Interpretation
Scores of 0 to 1 suggest no drug-related problems. Men scoring 6 or more and women scoring 2 or more may have harmful use. Scores of 25 or higher suggest possible dependence. Positive screens warrant professional follow-up, not self-diagnosis.
Frequently Asked Questions
How is the DUDIT scored?
Sum points from all 11 items; Q1-Q9 are 0-4, Q10-Q11 are 0, 2, or 4.
Does DUDIT screen for alcohol?
No. DUDIT covers drugs other than alcohol; use AUDIT for alcohol.
What score indicates possible dependence?
A total score of 25 or higher suggests possible drug dependence.
Are prescription pills counted as drugs?
Only when taken above prescribed dose, for euphoria, or from non-medical sources.
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