The time horizon matters: results of an exploratory study varying the timeframe in time trade-off and standard gamble utility elicitation

Louis S. Matza (), Kristina S. Boye, David H. Feeny, Lee Bowman, Joseph A. Johnston, Katie D. Stewart, Kelly McDaniel and Jessica Jordan
Additional contact information
Louis S. Matza: Outcomes Research, Evidera
Kristina S. Boye: Eli Lilly and Company
David H. Feeny: McMaster University
Lee Bowman: Eli Lilly and Company
Joseph A. Johnston: Eli Lilly and Company
Katie D. Stewart: Outcomes Research, Evidera
Kelly McDaniel: Outcomes Research, Evidera
Jessica Jordan: Outcomes Research, Evidera

The European Journal of Health Economics, 2016, vol. 17, issue 8, No 6, 979-990

Abstract: Abstract Introduction The purpose of this study was to examine whether the time horizon of time trade-off (TTO) and standard gamble (SG) utility assessment influences utility scores and discrimination between health states. Methods In two phases, UK general population participants rated three osteoarthritis health states in TTO and SG procedures with two time horizons: (1) 10-year and (2) a time horizon derived from self-reported additional life expectancy (ALE). The two time horizons were compared in terms of mean utilities and discrimination among health states. Results In Phase 1, the 10-year tasks were completed by 80 participants, 35 of whom also completed utility assessment with the ALE. In Phase 2, all 101 participants completed procedures with both time horizons. Utility scores tended to be lower with the ALE than the 10-year, a difference that was statistically significant for two health states with SG in Phase 1 (P

Keywords: Utility; Time trade-off; Standard gamble; Time horizon (search for similar items in EconPapers)
JEL-codes: I1 (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (2)

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DOI: 10.1007/s10198-015-0740-7

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