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. 1995 Mar-Apr;20(2):233-41.
doi: 10.1016/0306-4603(94)00071-9.

Reliability of a drug history questionnaire (DHQ)

L C Sobell  1 , E Kwan, M B Sobell
Affiliations

Reliability of a drug history questionnaire (DHQ)

L C Sobell et al. Addict Behav. 1995 Mar-Apr.

Abstract

Drug abusers' self-reports are vital to clinical and research endeavors, yet few studies have explicitly examined the test-retest reliability of drug abusers' reports of their pretreatment drug use. The present study evaluated the test-retest reliability of drug abusers' reports of (a) lifetime drug use using a drug history questionnaire (DHQ), and (b) demographic and drug-related events. Intraclass and Pearson correlation coefficients revealed reasonably good reliability for most reports of drug use and related events. Further research needs in this area are discussed.

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