Table 6.

Shannon index (H’) and Shannon Evenness index (J’) for the items of the EQ-5D-Y plus bolt-on

	H′	J′
Mobility	0.47	0.29
Looking after myself	0.24	0.15
Doing usual activities	0.71	0.45
Having pain or discomfort	1.06	0.67
Feeling worried, sad or unhappy	0.94	0.59
Cognitive abilities	0.73	0.46
Concentration	1.05	0.66
Memory	0.87	0.55
School performance	0.87	0.55
Standard EQ-5D-Y	2.73	0.34
Bolt-on	2.75	0.43
EQ-5D-Y plus bolt-on	4.41	0.31