Table 1.
Characteristics of the sample.
| Variable | Valid N | Mean or percent | Std.Dev. |
|---|---|---|---|
| Race (percent African American) | 296 | 56 | |
| Body Mass Index (kg/m2) | 296 | 29.4 | 7.1 |
| Socioeconomic Status (Hollingshead index) | 296 | 31.1 | 14.4 |
| Resting HR (bpm, beats per minute) | 296 | 68.9 | 11.1 |
| Resting SBP (mmHg, millimeters mercury) | 296 | 124.8 | 12.7 |
| Change in HR (mean over tasks, bpm) | 295 | 6.4 | 3.9 |
| Change in SBP (mean over tasks, mmHg) | 290 | 6.4 | 7.7 |
| Physical Aggression (Buss Perry) | 296 | 20.5 | 6.3 |
| Hostility (Buss Perry) | 296 | 14.2 | 6.0 |
| Cynicism (Cook-Medley) | 296 | 6.9 | 3.1 |
| High density lipoprotein (mg/dl) | 295 | 46.5 | 12.7 |
| Triglyceride (mg/dl) | 294 | 129.1 | 94.9 |
| Glucose (mg/dl) | 295 | 95.7 | 28.9 |
| Waist (cm) | 295 | 94.8 | 16.5 |
| Medical Burden (count of conditions) | 296 | 1.2 | 1.2 |
| Adult Physical Activity (Paffenbarger, kilocalorie) | 296 | 1546 | 1945 |
| Adult Alcoholic Drinks per week | 296 | 5.5 | 7.8 |
| Adult Cigarette Use (percentage non-smoker) | 296 | 44 | |
| Adult Prescription Medication Use (percent) | 296 | 6 |