Table 1.

Baseline Characteristics of 2137 Participants Who Subsequently Underwent Clinical Evaluation for Incident AD dementia

	All Participants Mean (SD)	No BP Meds. Mean (SD)	BP Meds. Mean (SD)	No APOE ε4 Allele Mean (SD)	Any APOE ε4 Allele Mean (SD)
	N= 2137	N=913	N=1224	N=1330	N=608
Age (years)	73.1 (5.9)	73.1 (6.0)	73.1 (5.8)	73.4 (5.9)	72.3 (5.5)
Education (years)	13.0 (3.4)	13.2 (3.5)	12.8 (3.3)	12.9 (3.3)	13.0 (3.4)
Systolic BP (mmHg)	138.5 (18.5)	135.6 (17.8)	140.6 (19.5)	139.1 (19.1)	137.9 (18.9)
Diastolic BP (mm Hg)	77.2 (10.5)	76.8 (10.2)	77.5 (10.8)	77.4 (10.4)	77.1 (10.9)
African Americans, %	1165 (55%)	438, 48%	727, 59%	712, 54%	388, 64%
Females, %	1331 (63%)	546 (60%)	785 (64%)	828 (62%)	377 (62%)
APOE, %	608 (31%)	245 (29%)	363 (33%)	--	--
BP medication use, %	1224 (57%)	--	--	744 (56%)	363 (60%)
Heart disease, %	243 (11%)	39, 4%	204, 17%	160 (12%)	63 (10%)
Diabetes, %	134 (6%)	23, 3%	111, 9%	87 (7%)	36 (6%)