Table 1.

Characteristics of the overall CoSMO study population and those with 8 or more and 14 or more blood pressure measurements available for analysis.

	Overall (n=2,194)	At least 8 BP measurements (n=1,580)	At least 14 BP measurements (n=772)
Age, years, mean (SD)	75.0 (5.6)	75.2 (5.5)	75.4 (5.4)
Women, %	59%	59%	59%
African-American, %	31%	32%	33%
Current smoking, %	6%	5%	4%
Diabetes mellitus, %	42%	45%	47%
History of MI, %	12%	13%	16%
History of stroke, %	13%	14%	18%
Charlson co-morbidity score ≥ 2, %	50%	54%	63%
Hypertension duration ≥ 10 years	63%	64%	67%
Anti-hypertensive medication classes
Mean (SD)	2.6 (1.1)	2.7 (1.2)	2.9 (1.2)
≥ 3	51%	55%	63%

SD – standard deviation, BP – blood pressure, MI –myocardial infarction