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Weighing the evidence: the Canadian experience
1Department of Pediatrics, Dalhousie University, Halifax, Canada.
The American Journal of Clinical Nutrition
|February 1, 1997
Summary
The Canadian Task Force on the Periodic Health Examination developed a robust evidence hierarchy. This methodology, used for 18 years, may be applicable to studying dietary sodium and health prevention.
Area of Science:
- Preventive medicine
- Health services research
Background:
- The Canadian Task Force on the Periodic Health Examination has utilized an evidence hierarchy for 18 years.
- This hierarchy aids in evaluating scientific evidence for condition preventability.
Purpose of the Study:
- To describe the history and operational methods of the Canadian Task Force on the Periodic Health Examination.
- To explore the potential applicability of the task force's methodology to the study of dietary sodium and health.
Main Methods:
- Historical review of the Canadian Task Force on the Periodic Health Examination.
- Description of the established hierarchy of evidence and its application.
- Discussion of the task force's modus operandi.
Main Results:
- The task force has a long-standing methodology for evidence evaluation.
- The developed methodology is potentially transferable to other health research areas.
Conclusions:
- The Canadian Task Force's evidence hierarchy is a well-established tool.
- The methodology holds promise for investigating preventive aspects of dietary sodium intake and overall health.