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Operational definitions of alcohol dependence and associated factor structures
1Alcohol Research Group, Medical Research Institute of San Francisco, Berkeley, CA 94709.
Alcohol and Alcoholism (Oxford, Oxfordshire)
|November 1, 1992
Summary
Different ways of defining alcohol dependence significantly alter its factor structure. This study highlights how operational definitions impact the analysis of alcohol dependence, affecting research outcomes.
Area of Science:
- Psychiatry
- Psychology
- Addiction Research
Background:
- Alcohol dependence is a complex condition with varying diagnostic criteria.
- The operational definition of alcohol dependence can influence research findings.
- Understanding the factor structure is crucial for accurate assessment and treatment.
Purpose of the Study:
- To investigate the impact of three distinct operational definitions of alcohol dependence on its factor structure.
- To compare how different measurement approaches affect the analysis of alcohol dependence.
- To assess the sensitivity of factor analysis results to definitional variations.
Main Methods:
- Utilized data from 219 men undergoing treatment for alcohol problems.
- Employed three different operational definitions for alcohol dependence.
- Definition 1: 20 items from existing literature aligned with DSM-III-R criteria.
- Definition 2: Combined 20 items under nine DSM-III-R approximating elements.
- Definition 3: New items closely worded to DSM-III-R criteria.
Main Results:
- Factor structure varied significantly across the three operational definitions.
- Results ranged from a dual-factor to a five-factor structure.
- The choice of operational definition directly influenced the identified dimensions of alcohol dependence.
Conclusions:
- Operational definitions critically impact the factor structure of alcohol dependence.
- Researchers must carefully consider the chosen definition in studies of alcohol dependence.
- Variability in findings may stem from differing measurement strategies.