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Validity of the obsessive compulsive drinking scale in a heavy drinking population
Jason P Connor1, Alyssa Jack, Gerald F X Feeney
1Alcohol and Drug Assessment Unit, Princess Alexandra Hospital, Brisbane, Queensland, Australia.
Alcoholism, Clinical and Experimental Research
|May 1, 2008
Summary
The Obsessive Compulsive Drinking Scale (OCDS) shows some construct validity in severe alcohol dependence but lacks concurrent validity. Further research is needed to assess its predictive utility over time.
Area of Science:
- Addiction research
- Clinical psychology
- Psychometrics
Background:
- The Obsessive Compulsive Drinking Scale (OCDS) is a widely used measure for alcohol craving.
- No comprehensive validity studies exist for OCDS in severe alcohol dependence.
Purpose of the Study:
- To investigate the construct and concurrent validity of the OCDS in a severe alcohol-dependent population.
- To evaluate the OCDS's psychometric properties in a clinical sample.
Main Methods:
- 370 alcohol-dependent patients completed the OCDS and the Alcohol Use Disorders Identification Test (AUDIT).
- Exploratory and confirmatory factor analyses were performed on randomly split subsamples.
- Demographic and alcohol consumption data were collected.
Main Results:
- Factor analysis identified a robust 4-factor solution for the OCDS (compulsions, interference, obsessions, resisting obsessions).
- All factors demonstrated sound internal consistency.
- Neither OCDS factor scores nor the total score correlated with AUDIT scores or alcohol consumption.
Conclusions:
- The OCDS demonstrates some support for construct validity in severe alcohol dependence.
- Concurrent validity of the OCDS was not supported by the cross-sectional data.
- Future research should focus on the OCDS's predictive validity over time.
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