From: Individual differences in the use of the response scale determine valuations of hypothetical health states: an empirical study
male
female
total sample
n
mean age (range*)
mean age
Age group 1
27
22.9 (19–26)
36
22.0 (17–28)
63
22.4
Age group 2
33
46.3 (39–50)
39
46.8 (41–53)
72
46.6
Age group 3
63.3 (60–72)
25
61.6 (55–65)
52
62.5