Comparing the measurement equivalence of EQ-5D-5L across different modes of administration

Table 4 Regression analysis

Parameter	EQ-5D-5L utility score (crosswalk)						EQ-5D-5L utility score (Devlin et al)						EQ-5D-5L VAS score
	M1		M2		M3		M4		M5		M6:		M7		M8		M9
	Coef	P	Coef	P	Coef	P	Coef	P	Coef	P	Coef	P	Coef	P	Coef	P	Coef	P
Study arm	0.07	0.05	0.03	0.24	0.03	0.14	0.04	0.05	0.02	0.29	0.02	0.17	3.13	0.27	−1.40	0.44	−0.65	0.69
Gender	0.01	0.75			−0.02	0.39	0.01	0.72			−0.02	0.35	2.09	0.48			−1.30	0.46
Age	−0.00	0.11			−0.00	0.43	−0.00	0.14			0.00	0.43	−0.13	0.27			−0.06	0.40
Marital status	−0.03	0.20			−0.01	0.70	−0.02	0.25			0.00	0.72	−0.86	0.67			1.02	0.38
Employment	−0.02	0.34			0.01	0.26	−0.02	0.20			0.01	0.54	−2.22	0.13			0.17	0.84
Education > min	0.08	0.06			−0.00	0.94	−0.06	0.07			−0.04	0.84	6.19	0.08			−1.10	0.61
Degree	−0.05	0.17			0.01	0.66	−0.04	0.18			0.01	0.50	−4.77	0.12			0.91	0.62
LT condition			−0.05	0.06	−0.04	0.15			−0.03	0.14	−0.02	0.32			1.77	0.38	2.62	0.17
Health sat			0.06	0.00	0.06	0.00			0.05	0.00	0.05	0.00			6.66	0.00	7.14	0.00
Life Sat			−0.00	0.80	0.01	0.50			0.01	0.25	0.00	0.87			−0.33	0.70	0.98	0.23
Happy			−0.01	0.52	−0.01	0.56			−0.00	0.88	0.00	0.97			−0.88	0.29	−0.72	0.35
Anxious			−0.01	0.13	−0.01	0.07			−0.00	0.09	−0.01	0.05			−0.08	0.81	−0.21	0.47
Worthwhile			0.02	0.00	0.01	0.10			0.02	0.00	0.01	0.07			1.99	0.00	0.89	0.14
N	128		129		127		128		129		127		128		129		127
R²	0.10		0.56		0.63		0.10		0.58		0.67		0.08		0.62		0.73

ISSN: 1477-7525