Table 2.

Means of EQ-5D-3L and EQ-5D-5L utility scores by severity of condition (Jan 2011 wave of NDB, n = 5192).

		3L	5L	Ratio
Overall		0.68	0.78	0.87
By general severity (HAQ) and pain scale category
Generala	Painb	3L	5L	Ratio
1	1	0.87	0.92	0.95
1	2	0.76	0.86	0.89
1	3	0.72	0.83	0.87
1	4	0.67	0.78	0.87
1	5	0.51	0.72	0.71
2	1	0.74	0.81	0.91
2	2	0.66	0.76	0.87
2	3	0.60	0.73	0.82
2	4	0.52	0.64	0.81
2	5	0.30	0.53	0.56
3	1	0.63	0.71	0.89
3	2	0.54	0.65	0.83
3	3	0.45	0.57	0.79
3	4	0.35	0.48	0.73
3	5	0.15	0.35	0.43

^aGroups corresponding to HAQ scores (1) [0–1); (2) [1–2) and (3) [2–3].

^bGroups corresponding to pain scores (1) [0–2); (2) [2–4); (3) [4–6); (4) [6–8) and (5) [8–10].