Table 1.

Demographics of study cohort, n = 19,150

Age*, mean(sd)	43.8(10.6)
Sex
Female	2812(14.7%)
Male	16335(85.3%)
Unknown	3(0.0%)
Ethnicity
African-American	2152(11.2%)
American Indian	156(0.8%)
Asian/Pacific Islander	225(1.2%)
Caucasian	15464(80.8%)
Hispanic	1125(5.9%)
Unknown	28(0.1%)
Employee Type
Hourly	14113(73.7%)
Salary	5034(26.3%)
Unknown	3(0.0%)
Tenure* (yrs), mean(sd)	13.6(12.2)
Average No. of Chart Measurements, mean(sd)	2.6(4.2)
Frequency of Chart Measurements per Employee
1	8455(44.2%)
2	4680(24.4%)
3	2529(13.2%)
4	1321(6.9%)
5+	2165(11.3%)

*Age and tenure were calculated using the date of the employee's first blood pressure measurement.