Table 1.
Descriptive statistics of variables at baseline
| Control group | Intervention group | P-Value | |
|---|---|---|---|
|
| |||
| N = 244 | N = 252 | ||
| Sex | 0.32 | ||
| Female | 57.4% | 61.9% | |
| Male | 42.6% | 38.1% | |
| Race/ethnicity | |||
| White/Hispanic | 85.7% | 89.7% | 0.22 |
| African American | 10.7% | 3.6% | 0.003 |
| Others | 3.7% | 6.8% | 0.16 |
| Average age in years (SD) | 61.3 (12.9) | 59.1 (13.7) | 0.06 |
| Married/living as married | 54.9% | 64.7% | 0.03 |
| Smoking status | |||
| Never smoked | 44.7% | 52.0% | 0.11 |
| Current smokers | 22.5% | 16.3% | 0.09 |
| Ex-smokers | 32.8% | 31.8% | 0.85 |
| Alcohol intake | >0.99 | ||
| None or less than 1 drink per day | 86.2% | 86.1% | |
| One or more drink(s) per day | 13.8% | 13.9% | |
| Average number of anti-hypertensive agents (SD) at baseline | 1.7 (1.0) | 1.3 (1.0) | <0.001 |
| Average number of co-existing chronic conditions | 0.6 (0.9) | 0.4 (0.7) | <0.001 |
| Average baseline systolic blood pressure in mm Hg (SD) | 150.8 (12.7) | 153.5 (11.8) | 0.01 |
| Average baseline diastolic blood pressure mm Hg (SD) | 83.1 (11.9) | 86.4 (11.7) | 0.002 |
a
Co-existing conditions included diabetes mellitus, peripheral artery disease, left ventricular hypertrophy, coronary artery bypass surgery, stroke, chronic kidney disease, heart failure, angina, and myocardial infarction.