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Thinking about it: thoughts about health and valuing QALYs.
1Department of Social Policy, London School of Economics and Political Science, London, UK. p.h.dolan@lse.ac.uk
Health Economics
|October 23, 2010
Summary
Health economists assess health states by asking about life expectancy trade-offs. This study reveals time trade-off responses are linked to negative health thoughts, challenging current valuation methods.
Area of Science:
- Health Economics
- Decision Analysis
- Psychology
Background:
- Health economists use time trade-off (TTO) methods to value health states for health technology assessments.
- Existing TTO methods face challenges due to hedonic adaptation and discrepancies in stated preferences.
Purpose of the Study:
- To investigate the discrepancy between willingness to trade life-years and hedonic adaptation in valuing health states.
- To explore how negative health thoughts influence TTO responses.
Main Methods:
- Utilized data from 1173 internet and telephone surveys in the United States.
- Analyzed the relationship between TTO responses and the frequency/intensity of negative health thoughts.
Main Results:
- TTO responses demonstrated a relationship with the frequency and intensity of negative thoughts about health.
- Current valuation methods may not adequately capture these influences on health state preferences.
Conclusions:
- Negative thought patterns significantly impact how individuals value health states using TTO.
- Further research is needed to refine health state valuation methods to account for psychological factors.
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