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. Author manuscript; available in PMC: 2015 Nov 1.
Published in final edited form as: Am J Geriatr Psychiatry. 2013 Sep 27;22(11):1364–1374. doi: 10.1016/j.jagp.2013.07.008

Table 1.

Demographic Characteristics of full sample n=10,918 by CDR group

Characteristic Baseline CDR Groups Total
N=10,918
CDR=0.0
n=3,911		 CDR=0.5
n=3,943		 CDR>0.5
n=3,064
Baseline Age (SD) 74.29 (8.7) 75.0 (8.7) 76.5 (9.0) 75.2 (8.8)
F=53.43, df=2, p<.0001
Sex, female 2564 (65.6) 1988 (50.4) 1600 (52.2) 6152 (56.4)
X2=212.49, df=2, p<.0001
Education (SD) 15.45 (2.8) 15.0 (3.2) 14.2 (3.3) 14.9 (3.2)
F=133.80, df=2, p<.0001
Race X2=24.81, df=4, p<.0001
    White 3238 (82.8) 3349 (84.9) 2561 (83.6) 9148 (83.8)
    African American 625 (16.0) 514 (13.0) 434 (14.2) 1573 (14.4)
    Other 48 (1.2) 80 (2.0) 69 (2.3) 197 (1.8)
CVD* 1012 (25.9) 1237 (31.4) 910 (29.7) 3159 (28.9)
X2=30.06, df=2, p<.0001
Hypertension 2034 (52.0) 2147 (54.5) 1628 (53.1) 5809 (53.2)
X2=4.72, df=2, p=0.094
High Cholesterol 1856 (47.5) 2092 (53.1) 1482 (48.4) 5430 (49.7)
X2=212.49, df=2, p<.0001
Diabetes 397 (10.2) 501 (12.7) 359 (11.7) 1257 (11.5)
X2=12.76, df=2, p<.002
Stroke or TIA 288 (7.4) 478 (12.1) 412 (13.5) 1178 (10.8)
X2=77.44, df=2, p<.0001
*

CVD includes history of: heart attack, atrial fibrillation, bypass surgery, congestive heart failure, angioplasty, or pacemaker

Abbreviations: CVD=cardiovascular disease; TIA=transient ischemic attack; MCI= mild cognitive impairment

Values are number(percent) unless indicated as mean(standard deviation)