Table 2.

Coefficients derived from the Better-Worse and Drop-Down methods (N = 1389)

Item levels	Better-Worse			Drop-Down
	Coefficient	SE	P	Coefficient	SE	P
Mobility (2)	˗1.39	0.80	0.081	˗3.09	0.17	< 0.001
Mobility (3)	˗2.79	1.60	0.080	˗8.65	0.26	< 0.001
Mobility (4)	˗3.93	2.40	0.102	˗15.14	0.48	< 0.001
Vision (2)	˗1.29	0.80	0.106	˗3.15	0.18	< 0.001
Vision (3)	˗2.20	1.60	0.169	˗8.38	0.27	< 0.001
Vision (4)	˗3.83	2.40	0.116	˗14.67	0.58	< 0.001
Hearing (2)	˗1.02	0.80	0.199	˗3.49	0.14	< 0.001
Hearing (3)	˗2.20	1.60	0.167	˗8.78	0.23	< 0.001
Hearing (4)	˗4.31	2.40	0.073	˗15.20	0.47	< 0.001
Cognition (2)	˗1.78	0.80	0.026	˗3.25	0.22	< 0.001
Cognition (3)	˗2.95	1.60	0.066	˗8.55	0.34	< 0.001
Cognition (4)	˗4.15	2.42	0.087	˗14.31	1.23	< 0.001
Mood (2)	˗1.28	0.80	0.109	˗3.47	0.14	< 0.001
Mood (3)	˗2.40	1.60	0.132	˗8.12	0.23	< 0.001
Mood (4)	˗3.82	2.40	0.110	˗13.50	0.40	< 0.001
Anxiety (2)	˗0.82	0.80	0.307	˗3.17	0.13	< 0.001
Anxiety (3)	˗1.87	1.59	0.241	˗7.69	0.21	< 0.001
Anxiety (4)	˗3.32	2.40	0.165	˗13.44	0.32	< 0.001
Pain (2)	˗0.54	0.80	0.498	˗3.33	0.13	< 0.001
Pain (3)	˗1.64	1.59	0.302	˗7.91	0.21	< 0.001
Pain (4)	˗3.22	2.39	0.178	˗13.82	0.32	< 0.001
Fatigue (2)	˗0.69	0.80	0.388	˗3.41	0.12	< 0.001
Fatigue (3)	˗1.85	1.59	0.245	˗7.92	0.20	< 0.001
Fatigue (4)	˗2.78	2.39	0.244	˗13.03	0.32	< 0.001
Social function (2)	˗1.36	0.80	0.089	˗3.37	0.15	< 0.001
Social function (3)	˗2.48	1.60	0.119	˗7.68	0.24	< 0.001
Social function (4)	-3.50	2.39	0.143	˗13.09	0.44	< 0.001
Daily activities (2)	˗1.45	0.80	0.069	˗3.41	0.14	< 0.001
Daily activities (3)	˗2.42	1.60	0.128	˗7.60	0.24	< 0.001
Daily activities (4)	˗3.62	2.40	0.131	˗11.92	0.52	< 0.001
Self-esteem (2)	˗0.54	0.80	0.502	˗3.74	0.15	< 0.001
Self-esteem (3)	˗1.85	1.60	0.246	˗7.24	0.23	< 0.001
Self-esteem (4)	˗3.21	2.39	0.180	˗12.41	0.34	< 0.001
Independence (2)	˗1.45	0.80	0.069	˗3.80	0.18	< 0.001
Independence (3)	˗2.49	1.60	0.118	˗8.14	0.30	< 0.001
Independence (4)	˗3.92	2.39	0.101	˗12.62	0.62	< 0.001

SE Standard error