Table 1.

Sample background characteristics

Characteristic	UK pilot sample	General population (%)a
Age (years)
18–29	14 (18.4%)	21
30–44	28 (36.8%)	26
45–59	14 (18.4%)	25
60+	20 (26.3%)	28
Gender
Female	49 (64.5%)	51
Male	27 (35.5%)	49
Degree or equivalent qualification
Yes	19 (25.0%)	30
No	57 (75.0%)	70
Self-reported EQ-5D health state
11111	46 (60.5%)
Not 11111	30 (39.5%)
Self-reported EQ-VAS
Mean	79
Median	85

^aAge and gender statistics taken from 2011 UK Census. Degree statistics refer to residents in England and Wales aged 16–64