Assessing consistency of responses to questions on cocaine use

This study examines consistency of self-reported responses to items within the questionnaire of a multi-site, prospective study of drug abuse treatment in the United States (DATOS). The analyses use data from 2842 interviewer-administered intake interviews. Questions that were logically related are...

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Bibliographic Details
Published in:Addiction (Abingdon, England) England), 1995-11, Vol.90 (11), p.1497-1502
Main Authors: ADAIR, E. B. G, CRADDOCK, S. G, MILLER, H. G, TURNER, C. F
Format: Article
Language:English
Subjects:
Abuse
Addiction
Adult
Bias
Biological and medical sciences
Cocaine
Consistency
Crack Cocaine
Data Quality
Drug Abuse
Drug Use
Female
Humans
Male
Medical sciences
Methodology. Experimentation
Personality Assessment - statistics & numerical data
Psychology. Psychoanalysis. Psychiatry
Psychometrics
Psychopathology. Psychiatry
Public health
Questionnaires
Reproducibility of Results
Research Responses
Responses
Substance Abuse Treatment Centers
Substance-Related Disorders - epidemiology
Substance-Related Disorders - rehabilitation
Surveys
Techniques and methods
Treatment Outcome
Treatment Programs
U.S.A
United States of America
USA
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Summary:This study examines consistency of self-reported responses to items within the questionnaire of a multi-site, prospective study of drug abuse treatment in the United States (DATOS). The analyses use data from 2842 interviewer-administered intake interviews. Questions that were logically related are paired and responses compared. The questions cover three topics: (1) age at which different types of cocaine was used, (2) reports on most recent use and (3) frequency of cocaine use during period of "heaviest" use. Responses are coded as consistent, inconsistent, or as survey administration error. The latter is related to interviewer errors such as erroneous skip pattern, out-of-range responses, "don't know" responses, missing data, or illegible responses. Contrary to expectations inconsistent responses were relatively rare in this study, with fewer than 5% (0.5-4.6%) of respondents reporting inconsistent answers for pairs of logically related questions. A careful review of responses also found few survey administration errors (0.2-1.3%).
ISSN:0965-2140
1360-0443
DOI:10.1111/j.1360-0443.1995.tb02812.x