Table 1. Proportion of respondents who prefer the better statement: EQ-5D-3L and EQ-5D-Y.

Better statement (A)	Worse statement (B)	P (A > B)	N	P > 0.98a
EQ-5D-3L, Level 2 to Level 3
Some problems in walking about	Confined to bed	1.00	56	1.00
Some problems performing usual activities	Unable to perform usual activities	0.98	63	0.56
Some problems washing or dressing self	Unable to wash or dress self	0.98	58	0.52
Moderate pain or discomfort	Extreme pain or discomfort	0.98	55	0.50
Moderately anxious or depressed	Extremely anxious or depressed	0.98	58	0.52
EQ-5D-Y, Level 2 to Level 3
Some problems walking about	A lot of problems walking about	1.00	64	1.00
Some problems doing usual activities	A lot of problems doing usual activities	1.00	58	1.00
Some problems washing or dressing self	A lot of problems washing or dressing self	1.00	60	1.00
Some pain or discomfort	A lot of pain or discomfort	1.00	52	1.00
A bit worried, sad, or unhappy	Very worried, sad, or unhappy	0.98	54	0.49

For example, all 56 respondents prefer “some problems in walking about” over “confined to bed” (P (A > B) = 1.00)

^aOne-sided P values for a t test on whether the proportion is >0.98. Sample size varied (52–64) due to sampling. Each respondent completed only 1 pair (no missingness)