Table 1.

Characteristics of the study variables.

Variable	Exercise (n = 17)	Control (n = 17)
Age, mean years	20.5 (1.2)	20.8 (1.8)
% Female	100.0	100.0
Race/Ethnicity, %
White	52.9	64.7
Black	47.1	35.3
BMI, mean kg/m2	27.6 (6.6)	26.4 (6.2)
MVPA, mean min/week	142.6 (135.6)	162.6 (95.4)
On Birth Control Medication, %	64.7	58.8
Heart Rate, mean bpm
Resting	79.2 (17.4)	78.7 (16.0)
Midpoint	129.6 (14.1)	83.5 (17.7)
Endpoint	127.2 (18.5)	83.3 (15.3)
2-Min Post	90.6 (19.7)	83.1 (15.3)

BMI, body mass index; MVPA, moderate to vigorous physical activity; values in parentheses are SD (standard deviation) estimates.