Table 6.

Means and standard deviations of actual and predicted (joint model) EQ-5D-3L and EQ-5D-5L by severity of condition, age and gender (NDB. January 2010 wave n = 3877; January 2012 wave n = 3911).

	January 2010		January 2012
	EQ-5D-3L	EQ-5D-5L	EQ-5D-3L	EQ-5D-5L
	(actual)	(predicted)	(predicted)	(actual)
	Mean (SD)	Mean (SD)	Mean (SD)	Mean (SD)
Overall	0.70	0.79	0.69	0.78
	(0.25)	(0.16)	(0.21)	(0.19)
Severity group
Mild	0.88	0.92	0.87	0.92
(HAQ group 1, Pain group 1)	(0.12)	(0.04)	(0.08)	(0.07)
Medium	0.62	0.71	0.61	0.73
(HAQ group 2, Pain group 3)	(0.15)	(0.09)	(0.11)	(0.11)
Severe	0.12	0.38	0.12	0.30
(HAQ group 3, Pain group 5)	(0.29)	(0.16)	(0.19)	(0.23)
Female <65	0.69	0.78	0.68	0.77
	(0.26)	(0.17)	(0.23)	(0.20)
Male<65	0.71	0.80	0.67	0.77
	(0.25)	(0.16)	(0.24)	(0.21)
Female 65–79	0.71	0.79	0.69	0.79
	(0.24)	(0.15)	(0.20)	(0.18)
Male 65–79	0.73	0.82	0.73	0.83
	(0.22)	(0.14)	(0.18)	(0.14)
Female ≥ 80	0.65	0.76	0.66	0.76
	(0.25)	(0.17)	(0.20)	(0.18)
Male ≥ 80	0.74	0.83	0.70	0.80
	(0.17)	(0.12)	(0.17)	(0.16)