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Methods for measuring temporary health States for cost-utility analyses
Davene R Wright1, Eve Wittenberg, J Shannon Swan
1Preferences Working Group, Center for Health Decision Science, Harvard School of Public Health, Boston, Massachusetts, USA.
Pharmacoeconomics
|September 18, 2009
Summary
No single best method exists for valuing temporary health states in cost-utility analyses. Researchers must choose based on study needs, respondent burden, and theoretical consistency for accurate health preference measurement.
Area of Science:
- Health Economics
- Decision Science
- Public Health
Background:
- Cost-utility analyses rely on valuing health states.
- Accurate measurement of temporary health states is crucial for economic evaluations.
- Existing methods require careful consideration for temporary health state valuation.
Purpose of the Study:
- To review methods for valuing temporary health states.
- To identify advantages and disadvantages of each valuation method.
- To highlight areas for future research in health preference measurement.
Main Methods:
- Systematic review of temporary health state valuation techniques.
- Categorization into traditional (e.g., time trade-off, standard gamble) and adapted methods.
- Analysis of methods based on consistency with QALY theory, domain relevance, usability, time preference, and validation.
Main Results:
- No single 'gold standard' method for temporary health state valuation was identified.
- Traditional methods include health status instruments, time trade-off (TTO), and standard gamble (SG).
- Adapted methods include TTO variations, waiting trade-off, chained approaches, and sleep trade-off.
Conclusions:
- Method selection depends on capturing temporary health state characteristics, respondent burden, theoretical consistency, and resources.
- Further research is needed to evaluate the validity, reliability, and feasibility of these methods.
- Informed choices are essential for robust cost-utility analyses using temporary health state preferences.
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