Table 1.

Sample characteristics. EQ-5D-Y adolescents’ population normative values.

			EQ-5D-Y Utility Index					Ceiling Effect
	n	(%)	Mean	SD	Median	RI	p	n	(%)
Total	1229	100	0.890	0.165	0.938	0.152		540	43.9
Gender
Female	622	50.6	0.881	0.176	0.938	0.151	0.027 a	253	40.7
Male	607	49.4	0.899	0.154	0.938	0.151		285	47.3
Age
12	200	16.3	0.897	0.201	1	0.890		129	64.5
13	200	16.3	0.917	0.150	1	0.151		117	58.5
14	200	16.3	0.886	0.175	0.938	0.151	<0.001 b	88	44.0
15	200	16.3	0.857	0.187	0.938	0.222		59	29.5
16	212	17.2	0.896	0.107	0.938	0.151		62	29.2
17	217	17.7	0.885	0.157	0.938	0.222		85	39.2
IMC Category
Low weight	6	5	0.905	0.102	0.938	0.222		2	33.3
Normal weigh	584	47.5	0.892	0.149	0.938	0.151		225	38.5
Overweigh	527	42.9	0.904	0.155	1	0.151	<0.001 b	264	50.1
Obesity	112	9.1	0.811	0.254	0.938	0.285		49	43.8

^ap-value from the Mann-Whitney U test; ^b Chi-square test.