Table 1.

Demographic Comparisons of Random Subsamples

	Subsample 1 (N = 615)		Subsample 2 (N = 614)
Variable	M	SD	M	SD	pa
CR age	78.62	8.13	78.67	8.33	.93
CR MMSE	12.69	7.70	12.52	7.59	.71
RMBPC (# of problems)	10.13	4.14	10.29	4.18	.49
RMBPC (mean reaction per problem)	1.50	0.91	1.47	0.91	.56
RMBPC (total reaction)	16.49	13.68	16.97	13.61	.54
	N	%	N	%	pb
Race					.97
White	338	55	341	56
African American	147	24	146	24
Hispanic	109	18	109	18
Other	21	3	18	3
CG gender					.19
Male	123	20	105	17
Female	492	80	509	83
CR gender					.51
Male	268	44	280	46
Female	347	56	334	54

Note. CR = care recipient; MMSE = Mini-Mental State Exam; RMBPC = Revised Memory and Behavior Problems Checklist; CG = caregiver.

^aIndependent sample t test.

^bPearson chi-square test.