Table 1.
International valuation protocol for EQ-5D-Y: key elements of the methods
| Protocol feature | DCE | cTTO |
|---|---|---|
| Whose values are relevant? | Adult general population | Adult general population |
| What perspective? | Hypothetical child | Hypothetical child |
| Age of child? | 10 years of age | 10 years of age |
| Duration of states? | Not specified | 10 years |
| Design? | 10 blocks; 15 pairs each respondent | 1 block of 10 states |
| Specific format of task? | Pairwise choice; no indifference option | Composite TTO i.e. conventional TTO for values > 0, lead time TTO for values < 0 |
| Sample size? | 1000 | 200 |
| Mode of administration? | Online self-completion | Computer-assisted personal interviews (CAPI), conducted either in person or online |
| Number of tasks per respondent? | 15 pairwise choice tasks | 10 cTTO tasks |