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Related Experiment Video

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Measuring Delay Discounting in Humans Using an Adjusting Amount Task

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Published on: January 9, 2016

Time trade-off derived EQ-5D weights for Australia.

Rosalie Viney¹, Richard Norman, Madeleine T King

¹Centre for Health Economics Research and Evaluation, University of Technology Sydney, Sydney, Australia.

Value in Health : the Journal of the International Society for Pharmacoeconomics and Outcomes Research

|September 15, 2011

Summary

Australian researchers developed new health state values for the EQ-5D questionnaire. This enables cost-utility analyses to reflect Australian preferences for health-related quality of life.

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Area of Science:

Health Economics
Psychometrics
Quality of Life Research

Background:

Cost-utility analyses (CUAs) are increasingly utilized in Australia.
The EuroQol five-dimensional (EQ-5D) questionnaire is a key tool for measuring health-related quality of life in CUAs.
Australian-specific EQ-5D values were previously unavailable, hindering accurate economic evaluations.

Purpose of the Study:

To develop Australian population-specific values for the EQ-5D health states.
To create an algorithm reflecting Australian preferences for health-related quality of life.
To enhance the accuracy of economic evaluations in Australia.

Main Methods:

Employed the time trade-off elicitation method with a representative Australian sample (n=417).
Collected valuations for a larger set of EQ-5D health states than in prior international studies.
Estimated and compared various models to generate the Australian algorithm.

Main Results:

Generated Australia-specific EQ-5D values comparable to international datasets.
The inclusion of more directly valued states allowed for greater modeling of interaction effects.
The resulting Australian algorithm showed increased divergence from other international algorithms due to these interaction effects.

Conclusions:

The developed algorithm incorporates Australian community values into economic evaluations.
This provides a more accurate reflection of Australian health preferences.
Facilitates improved cost-utility analyses within the Australian healthcare system.