Table 1.
Baseline demographics, cardiovascular risk factors, sleep hours, and left ventricular mass (indexed by body surface area) in the study cohort
| Characteristics | n = 756 |
|---|---|
| Age (yrs) | 71 ± 9 |
| Women (%) | 454 (60) |
| Black (%) | 119 (16) |
| Hispanic (%) | 538 (71) |
| White (%) | 99 (13) |
| High school education (%) | 337 (45) |
| Waist circumference (cm) | 38 ± 5 |
| Hypertension (%) | 532 (70) |
| Diabetes mellitus (%) | 218 (29) |
| Cigarette smoker (ever, %) | 405 (54) |
| Hypercholesterolemia (%) | 472 (63) |
| Depressive symptoms (%) | 116 (16) |
| Sleep hours | 8.6 ± 1.8 |
| LV mass (index, g/m2) | 103 ± 25 |