Table 1.
Description of the study population by race
| Black | White | |
|---|---|---|
| N | 12,212 | 17,470 | 
| Age (mean ± SD) | 64 ± 9 | 65 ± 9 | 
| Male (%) | 38 | 50 | 
| Income < $35K (%) | 61 | 39 | 
| High school or less (%) | 48 | 32 | 
| Previous stroke (%) | 8 | 5 | 
| Hypertension (%) | 71 | 51 | 
| Diabetes (%) | 31 | 16 | 
| Current smoking (%) | 17 | 13 | 
| Atrial fibrillation (%) | 8 | 10 | 
| Left ventricular hypertrophy (%) | 15 | 06 | 
| Heart disease (%) | 16 | 20 |