Table 1.
Participant characteristics at baseline, Cohort 3
| N | Mean or % | SD or N | |
|---|---|---|---|
| Age at randomization, yr | 61 | 66.4 | (6.2) |
| 55–69 | 73.8% | (45) | |
| ≥70 | 26.2% | (16) | |
| Gender | 61 | ||
| Female | 93.4% | (57) | |
| Male | 6.6% | (4) | |
| Race | 61 | ||
| Black or African-American, not Hispanic | 91.8% | (56) | |
| Hispanic | 1.6% | (1) | |
| Native American | 1.6% | (1) | |
| Multiracial | 4.9% | (3) | |
| Marital status | 61 | ||
| Single | 13.1% | (8) | |
| Married | 36.1% | (22) | |
| Widowed | 21.3% | (13) | |
| Divorced | 29.5% | (18) | |
| Medical conditions | |||
| High blood pressure | 61 | 68.9% | (42) |
| High cholesterol | 61 | 47.5% | (29) |
| Type 2 diabetes | 61 | 23.0% | (14) |
| Sleep apnea | 61 | 24.6% | (15) |
| Weight, kg | 61 | 102.1 | (15.3) |
| Height, cm | 61 | 164.5 | (6.8) |
| BMI, kg/m2 | 61 | 37.8 | (5.5) |
| BMI category | 61 | ||
| Obesity class I (30-<35 kg/m2) | 34.4% | (21) | |
| Obesity class II (35-<40 kg/m2) | 37.7% | (44) | |
| Obesity class III (≥40 kg/m2) | 27.9% | (17) | |
| Percent body fat | 60 | 48.5 | (5.1) |