Table 1. Characteristics of all subjects at enrollment.
Plus-minus values are means ± SD rounded to the nearest 10th.
| Characteristics | Arm 1 (n = 48) | Arm 2 (n = 52) |
|---|---|---|
| Sex, n (%) | ||
| Male | 18 (37.5) | 19 (36.5) |
| Female | 30 (62.5) | 33 (63.5) |
| Race or ethnic group, n (%)* | ||
| White | 26 (54.2) | 25 (48.1) |
| Black | 2 (4.2) | 5 (9.6) |
| Hispanic | 13 (27.1) | 14 (26.9) |
| Asian | 6 (12.5) | 7 (13.5) |
| Other | 1 (2.1) | 1 (1.9) |
| Age (years) | 42.2 ± 12.5 | 43.3 ± 11.7 |
| Weight (kg) | 77.0 ± 15.9 | 74.3 ± 16.6 |
| Education (years) | 16.7 ± 2.8 | 16.6 ± 2.3 |
| Smoking status, n (%) | ||
| Never smoked | 29 (60.4) | 39 (75.0) |
| Former smoker | 13 (27.1) | 9 (17.3) |
| Current smoker | 6 (12.5) | 4 (7.7) |
| BMI, n (%)† | ||
| Mean | 27.8 ± 5.1 | 26.6 ± 4.9 |
| <25 | 17 (35.4) | 20 (38.4) |
| 25–30 | 18 (37.5) | 21 (40.4) |
| >30 | 13 (27.1) | 11 (21.2) |
| Systolic blood pressure (mmHg) | 117.2 ± 12.3 | 117.2 ± 13.0 |
| Diastolic blood pressure (mmHg) | 75.6 ± 9.2 | 75.2 ± 7.8 |
| Triglycerides (mg/dl) | 104.0 ± 64.6 | 84.7 ± 37.2 |
| Cholesterol (mg/dl) | ||
| Total | 197.5 ± 39.6 | 185.7 ± 36.6 |
| LDL | 114.5 ± 36.1 | 110.3 ± 61.6 |
| HDL | 62.2 ± 16.4 | 65.2 ± 18.1 |
*
The race or ethnic group was assigned by the subjects themselves.
†
The BMI is the weight in kilograms divided by the square of the height in meters.