Table 1.

Summary of research subject characteristics^*

	All	2013	2014	2015
Number of subjects	72	24	24	24
Number of blood draws	384	144	120	120
Age, yrs, mean (SD)	23 (2)	23 (2)	23 (2)	23 (2)
Race (% white/other)	88/13	92/8	83/17	88/12
% Male	65	100	46	50
BMI, mean (SD)	24 (3)	24 (3)	23 (3)	24 (3)
Systolic Blood Pressure (SD)	126 (14)	130 (12)	130 (12)	118 (16)
Diastolic Blood Pressure (SD)	74 (8)	70 (9)	76 (6)	76 (9)

^*Subject characteristics data, including biometric data, were collected at time of enrollment or at time of initial blood draw.