Table 1.
Baseline Sociodemographic and Clinical Characteristics of the Sample by Ethnicity
| African Americans (n=56) |
Whites (n=88) |
Total (n=144) |
|
|---|---|---|---|
| Age, M (SD), y | 48.7 (8) | 53.8 (10) | 51.3 (9) |
| Gender: Female | 47 (83) | 50(57) | 97 (67) |
| Level of Education | |||
| High School | 19 (34) | 29 (33) | 48 (33) |
| Some College | 6 (11) | 9 (10) | 15 (10) |
| Completed College | 17 (30) | 15 (17) | 32 (22) |
| Post-Graduate School | 9 (16) | 26 (30) | 35 (24) |
| Other | 5 (9) | 9 (10) | 14 (10) |
| Annual Household Income | |||
| < $20K | 8 (17) | 9 (12) | 17 (12) |
| $20-50K | 6 (13) | 8 (11) | 14 (10) |
| $50-99K | 7 (15) | 11 (15) | 18 (13) |
| > $100K | 26 (55) | 46 (62) | 72 (50) |
| Weight, M (SD), (kg) | 92.4 (14) | 93.7 (14) | 93.05 (14) |
| BMI , M (SD), (kg/m2) | 34.1 (4.1) | 32.5 (3.7) | 33.3 (3.9) |
| Peak VO2, M (SD), mL/kg/min | 21.2 (5.7) | 24.9 (6.1) | 23.1 (5.9) |
| Peak VO2, M (SD), L/min | 1.96 (0.62) | 2.32 (0.65) | 2.18 (0.66) |
| Clinic SBP, M (SD), (mmHg) | 136.8 (7.1) | 138.9 (9.8) | 137.9 (8.5) |
| Clinic DBP, M (SD), (mmHg) | 85.8 (6.7) | 85.5 (5.7) | 85.7 (6.2) |
Abbreviations: BMI, body mass index; DASH-A, Dietary Approaches to Stop Hypertension alone; DASH+WM, Dietary Approaches to Stop Hypertension plus weight management; DBP, diastolic blood pressure; SBP, systolic blood pressure; UC, usual diet controls; VO2, oxygen consumption
a
African Americans differed from whites on family income (F(1,120)= 4.87, p=0.03), age (F(1,140)= 9.48, p=.003), level of education (F(1,143)= 1.81, P = .073), peak VO2 (F(1,140)= 11.04, P = .001) and gender distribution (F(1,140)=13.68, p<.0003).