Table 7.

Likelihood Ratio Tests of Response Consistency and Vignette Equivalence

Test	Cognition			Mobility
	Degrees of freedom	Test statistic	p-value	Degrees of freedom	Test statistic	p-value
Response consistency 1 (RC1)
All Variables	21	43.26	0.0029	19	55.18	<0.0001
Age	6	15.14	0.0192	4	4.31	0.3654
Female	2	0.66	0.7178	2	8.83	0.0121
White	2	11.47	0.0032	2	20.17	<0.0001
Wealth	4	10.84	0.0285	4	14.48	0.0059
Education	4	1.80	0.7733	4	4.31	0.3655
Not working	2	8.85	0.0120	2	2.42	0.2978
Response consistency 2 (RC2)
All Variables	11	13.10	0.2868	10	20.35	0.0261
Age	3	2.32	0.5095	2	1.62	0.4451
Female	1	0.84	0.3580	1	<0.01	0.9897
White	1	0.67	0.4132	1	3.07	0.0799
Wealth	2	5.52	0.0634	2	9.70	0.0078
Education	2	1.64	0.4409	2	2.88	0.2372
Not working	1	1.33	0.2482	1	2.40	0.1214
Vignette equivalence (VE)
All Variables	20	105.56	<0.0001	18	44.66	0.0005
Age	6	16.84	0.0099	4	8.83	0.0655
Female	2	4.43	0.1091	2	4.35	0.1138
White	2	8.06	0.0177	2	4.38	0.1119
Wealth	4	20.58	0.0004	4	7.52	0.1109
Education	4	23.98	0.0001	4	14.56	0.0057
Not working	2	0.32	0.8522	2	0.48	0.7862