Table 1:

Demographic Information for both cohorts

Full Sample	RUSH		ADNI
Sample Size	4606		2114
Age	76.8 ± 7.7		73.3 ± 7.2
Sex (Female)	3429 (74%)		1132 (53%)
Education	15.8 ± 4.0		16.0 ± 2.8
BP Group
Normal	1332 (29%)		568 (27%)
Variable	1897 (41%)		775 (37%)
High	1377 (30%)		771 (36%)
Diagnosis
NC	3347 (73%)		770 (36%)
MCI	1063 (23%)		977 (46%)
Dementia	200 (4%)		372 (18%)
Race
Black	1189 (26%)		95 (5%)
White	3230 (70%)		1948 (92%)
Other	191 (4%)		73 (3%)
Sample by Group	Rush Normal BP (n=1332)	Rush Variable BP (n=1897)	Rush High BP (n=1377)	ADNI Normal BP (n=568)	ADNI Variable BP (n=775)	ADNI High BP (n=771)
Age	75.7 ± 8.0	77.7 ± 7.4	76.5 ± 7.7	71.6 ± 7.2	74.8 ± 7.2	73.2 ± 7.0
Sex (female)	958 (72%)	1463 (77%)	1004 (73%)	264 (46%)	354 (46%)	367 (48%)
Education	6.0 ± 4.0	15.5 ± 3.8	15.9 ± 4.1	16.1 ± 2.7	16.0 ± 2.8	16.0 ± 2.8
Mean BP	119 ± 7.4	137 ± 13.7	141 ± 10.2	120 ± 9.1	139 ± 19.5	141 ± 10.9
Diagnosis
NC	983 (74%)	1348 (71%)	1013 (73%)	209 (37%)	245 (32%)	314 (41%)
MCI	290 (22%)	460 (24%)	313 (23%)	257 (45%)	396 (51%)	321 (42%)
Dementia	59 (4%)	89 (5%)	51 (4%)	102 (18%)	134 (17%)	136 (17%)
Race
Black	278 (21%)	529 (28%)	927 (67%)	20 (4%)	29 (4%)	45 (6%)
White	988 (74%)	1313 (69%)	382 (3%)	529 (93%)	721 (93%)	694 (90%)
Other	66 (5%)	55 (3%)	68 (5%)	19 (3%)	25 (3%)	32 (4%)