Development of an Online Time Trade off Methods for Health State Valuation
نویسندگان
چکیده
منابع مشابه
EuroQol Protocols for Time Trade-Off Valuation of Health Outcomes
The time trade-off (TTO) valuation technique is widely used to determine utility values of health outcomes to inform quality-adjusted life-year (QALY) calculations for use in economic evaluation. Protocols for implementing TTO vary in aspects such as the trade-off framework, iteration procedure and its administration model and method, training of respondents and interviewers, and quality contro...
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OBJECTIVES In EuroQol five-dimensional questionnaire valuation studies, each participant typically assesses more than 10 hypothetical health states by using the time trade-off (TTO) method. We wanted to explore potential learning effects when using the TTO method, that is, whether the valuations were affected by the number of previously rated health states (the sequence number). METHODS We in...
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BACKGROUND To present an episodic random utility model that unifies time trade-off and discrete choice approaches in health state valuation. METHODS First, we introduce two alternative random utility models (RUMs) for health preferences: the episodic RUM and the more common instant RUM. For the interpretation of time trade-off (TTO) responses, we show that the episodic model implies a coeffic...
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ژورنال
عنوان ژورنال: Value in Health
سال: 2018
ISSN: 1098-3015
DOI: 10.1016/j.jval.2018.07.755