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Comment on Roy's "Alcohol misuse and posttraumatic stress disorder (delayed): an alternative interpretation of the
Journal of Studies on Alcohol
|May 1, 1984
Summary
Statistical methods comparing Vietnam veterans are questioned due to improper data pooling and incomplete alcohol use data in posttraumatic stress disorder patients. Military liability for predisposed conditions is also debated.
Area of Science:
- Psychiatry
- Epidemiology
- Military Medicine
Background:
- Veterans' health outcomes are a significant concern.
- Statistical methodologies are crucial for accurate veteran health research.
- Understanding the impact of military service on mental health requires rigorous analysis.
Purpose of the Study:
- To critically evaluate the statistical methods employed in a study comparing Vietnam veterans and non-serving Vietnam-era veterans.
- To assess the validity of conclusions drawn regarding military liability for veteran health issues.
Main Methods:
- Review and critique of statistical techniques, specifically "pooling of means."
- Analysis of data completeness concerning alcohol use and posttraumatic stress disorder (PTSD).
Main Results:
- The statistical "pooling of means" method used was deemed inappropriate.
- Data were found to be incomplete, lacking crucial information on alcohol use in veterans with PTSD.
- The study questions the assertion that the military is not liable for predisposed conditions.
Conclusions:
- The statistical approach and data limitations raise concerns about the original study's findings.
- Further research with comprehensive data is needed to accurately assess veteran health issues and military liability.
- The relationship between military service, PTSD, and alcohol use requires more thorough investigation.