Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Mean valuation scores per age group (age group 1, mean age 22 years; age group 2, mean age 47 years; age group 3, mean age 63 years) per elicitation method: visual analogue scale (VAS), time trade-off with 10 years (TTO-10) and time trade-off with life expectancy (TTO-LE).
