WHO Study on the reliability and validity of the alcohol and drug use disorder instruments

Overview of methods and results

B. Üstün*, W. Compton, D. Mager, T. Babor, O. Baiyewu, S. Chatterji, L. Cottler, A. Göǧüş, V. Mavreas, L. Peters, C. Pull, J. Saunders, R. Smeets, M. R. Stipec, R. Vrasti, D. Hasin, R. Room, W. Van Den Brink, D. Regier, J. Blaine & 2 others B. F. Grant, N. Sartorius

*Corresponding author for this work

Research output: Contribution to journalArticle

243 Citations (Scopus)


The WHO Study on the reliability and validity of the alcohol and drug use disorder instruments is an international study which has taken place in 12 centres in ten countries, aiming to test the reliability and validity of three diagnostic instruments for alcohol and drug use disorders: the Composite International Diagnostic Interview (CIDI), the Schedules for Clinical Assessment in Neuropsychiatry (SCAN) and a special version of the Alcohol Use Disorder and Associated Disabilities Interview schedule-alcohol/drug-revised (AUDADIS-ADR). The purpose of the reliability and validity (R and V) study is to further develop the alcohol and drug sections of these instruments so that a range of substance-related diagnoses can be made in a systematic, consistent, and reliable way. The study focuses on new criteria proposed in the tenth revision of the International Classification of Diseases (ICD-10) and the fourth revision of the diagnostic and statistical manual of mental disorders (DSM-IV) for dependence, harmful use and abuse categories for alcohol and psychoactive substance use disorders. A systematic study including a scientifically rigorous measure of reliability (i.e. 1 week test-retest reliability) and validity (i.e. comparison between clinical and non-clinical measures) has been undertaken. Results have yielded useful information on reliability and validity of these instruments at diagnosis, criteria and question level. Overall the diagnostic concordance coefficients (kappa, κ) were very good for dependence disorders (0.7-0.9), but were somewhat lower for abuse and harmful use categories. The comparisons among instruments and independent clinical evaluations and debriefing interviews gave important information about possible sources of unreliability, and provided useful clues on the applicability and consistency of nosological concepts across cultures.

Original languageEnglish
Pages (from-to)161-169
Number of pages9
JournalDrug and Alcohol Dependence
Issue number3
Publication statusPublished - 25 Sep 1997
Externally publishedYes

Bibliographical note

Erratum can be found in Drug and Alcohol Dependence, 50(2), pp. 185-186, 1998.


  • Alcohol
  • Dependence
  • Drug use
  • Harmful use
  • Reliability
  • Validity
  • WHO study

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