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DUDIT score calculator

Total all eleven coded items from the original Drug Use Disorders Identification Test. Use the linked author-produced form before entering scores.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Transfer the coded score from the original instrument linked under Sources. This field does not replace the original question or rating instructions.

Total score
0

Estimates for information only. Not financial, medical, legal or engineering advice. See the Terms.

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How this calculator works

Complete the original DUDIT form using its drug definition, timeframe and response choices, then transfer the coded points. Items 1 through 9 accept 0, 1, 2, 3 or 4. Items 10 and 11 accept only 0, 2 or 4. Add all eleven without weighting or substituting unanswered questions. The source form excludes medicines taken as prescribed. This companion does not replace the authors' questionnaire layout or create an alternative translation. It reports the original total; diagnostic and population-specific cut-offs are not applied. The result is an estimate for information only and is not medical advice.

Formula

DUDIT = Q1 + Q2 + ... + Q11. Maximum = 9 x 4 + 2 x 4 = 44.

Worked example

Nine scores of 1 followed by 2 and 4 give 15. Eleven scores of 4 give 44.

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Frequently asked questions

Why not answer the questions directly here?

Use the original form linked in Sources so its wording, drug list and response anchors remain intact. This tool checks and sums the coded points.

Does the total diagnose dependence?

No. DUDIT is a screening instrument. Clinical assessment and the relevant validation population determine interpretation.

Is DUDIT-C the same score?

No. DUDIT-C uses only the first four items. This page totals the complete eleven-item instrument.

Sources

Written byAmira MansourCalculator writer. Builds and tests Mathulate calculators against published sources.
Reviewed byPriya Natarajan, RDRegistered dietitian. Checks health calculators against public health guidance.

Last updated .

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