Table 1. Baseline Characteristics of Participants in the Dietary Approaches to Stop Hypertension (DASH) Feasibility Study, North Carolina, 2010.
| Characteristic | All (n = 25) | Control (n = 11) | Intervention (n = 14) | P Valuea |
|---|---|---|---|---|
| Age, y, mean (SD) | 50.7 (7.9) | 49.8 (8) | 51.4 (8) | .64 |
| Men, n | 3 | 2 | 1 | .40 |
| Education, n | ||||
| High school degree or less | 4 | 3 | 1 | .44 |
| Some post–high school, no college degree | 11 | 3 | 8 | |
| College degree or more | 10 | 5 | 5 | |
| Body mass index, kg/m2, mean (SD) | 35.9 (7.1) | 35.9 (7.1) | 35.9 (7.3) | .99 |
| Current smoker, n | 2 | 2 | 0 | .10 |
| Blood pressure, mm Hg, mean (SD) | ||||
| Systolic | 130.0 (17.3) | 127.4 (15.9) | 132.0 (18.7) | .52 |
| Diastolic | 78.4 (13.2) | 76.0 (12.9) | 80.4 (13.6) | .42 |
| Takes blood pressure medication, n | 19 | 11 | 8 | .01 |
| Annual household income, n | ||||
| Income <$30,000 | 6 | 4 | 2 | .40 |
| Income $30,000–$49,999 | 7 | 2 | 5 | |
| Income >$50,000 | 12 | 5 | 7 | |
| Number of people supported by household income, mean (SD) | 2.3 (1.2) | 2.1 (0.9) | 2.5 (1.4) | .42 |
| Has no medical insurance, n | 3 | 2 | 1 | .40 |
Abbreviation: SD, standard deviation.
a
Determined by t test for continuous variables and χ2 test for categorical variables.