Table 1.

Demographic and Clinical Characteristics of Study Participants By Group

Variable	Conrols (N=66)	MCI (N=48)	p-value	d
Age in years, Mean (SD)	66.3 (8.6)	71.4 (6.4)	< .001	.67
Gender, n (%)			.07
Female	42 (63.6)	23 (46.9)		.34
Male	24 (36.4)	26 (53.1)		.04
Race, n (%)			.49
White	57 (86.4)	40 (81.6)		.20
African American	9 (13.6)	9 (18.4)		.00
Education	15.1 (2.4)	14.7 (3.3)	.43	.14
CDR-global, n(%)			< .001
0.0	65 (98.5)	2 (4.1)		.90
0.5	1 (1.5)	32 (65.3)		.67
1.0	0 (0.0)	15 (30.6)		.69
CDR sum of boxes	0.01 (0.1)	1.6 (8.2)	< .001	.27

Note. CDR=Clinical Dementia Rating Scales; d= Cohen’s d.