Comparative review of Time Trade-Off value sets

Abstract

The Time Trade-Off (TTO) method has played an important role in generating value sets for the EQ-5D. As one of the most widely accepted preference elicitation methods for health states (Torrance, 1986) and the method of choice in the first largescale EQ-5D valuation study (Dolan, 1997), the TTO has become the preferred approach among EuroQol Group researchers who wanted to use a choice-based elicitation technique to value EQ-5D health states in their own countries.