Decision Analysis Working Paper Abstract
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WP030018
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Title: Multiattribute Structure for QALYs
Authors: Gordon
B. Hazen Northwestern University
Date: January 2003
Status: Working Paper
Health status is inherently a multi-attribute construct. We examine multiattribute
utility decompositions for the quality-adjusted life year (QALY) utility
model commonly employed in medical decision and cost-effectiveness analyses.
We consider several independence conditions on preference, including the
classical notions of preferential independence and utility independence,
as well as new related notions of standard-gamble independence and time-tradeoff
independence. The latter conditions are helpful in simplifying standard-gamble
utility assessment procedures and time-tradeoff assessment procedures in
the presence of multiple health attribtues.
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