Table 1.
Characteristics of participants in each group.
| Variable | Units | Standard Donation (n = 103) | Placebo Control (n = 102) | Water Only (n = 106) | Water + Leg Exercise (n = 103) |
|---|---|---|---|---|---|
| Age, in years | Mean (SD) | 20.4 (6.1) | 19.8 (3.4) | 20.4 (5.5) | 20.2 (3.8) |
| BMI, in kg/m2 | Mean (SD) | 24.3 (4.4) | 24.6 (4.7) | 24.2 (4.3) | 24.1 (4.2) |
| First-time Donors | n (%) | 70 (68) | 61 (59.8) | 64 (60.4) | 57 (55.3) |
| Female | n (%) | 53 (51.5) | 53 (52.0) | 55 (51.9) | 54 (52.4) |
| Race | |||||
| Caucasian | n (%) | 76 (73.8) | 89 (87.3) | 78 (73.6) | 73 (70.9) |
| African-American | n (%) | 20 (19.4) | 9 (8.8) | 23 (21.7) | 23 (22.3) |
| Asian-American | n (%) | 3 (2.9) | 3 (2.9) | 2 (1.9) | 4 (3.9) |
| Other | n (%) | 4 (3.9) | 1 (1.0) | 3 (2.8) | 3 (2.9) |