Table 1.
Self-reported sleep symptoms, demographics, lifestyle factors and cardiovascular risk factors across race-ethnic groups
| Total (n = 1,964) | White (n = 368) | Black (n = 409) | Hispanic (n = 1,187) | |
| Self-reported sleep symptoms | ||||
| Sleepiness | 322 (16) | 27 (7) | 47 (15) | 240 (20)*** |
| Frequent snoring | 476 (28) | 35 (12) | 41 (12) | 391 (39)*** |
| 7–8 h of sleep | 885 (45) | 161 (44) | 157 (38) | 545 (46) |
| Short sleep (≤6 h) | 657 (33) | 123 (33) | 151 (37) | 369 (31) |
| Long sleep (≥9 h) | 251 (13) | 30 (8) | 36 (9) | 181 (15)** |
| Demographics | ||||
| Mean age ± SD, years | 75 ± 9 | 80 ± 9 | 78 ± 9 | 73 ± 8*** |
| Men | 734 (37) | 160 (44)** | 136 (33) | 419 (35) |
| ≤8th grade | 800 (40) | 22 (6) | 48 (12) | 723 (61)*** |
| Married | 700 (35) | 138 (38) | 90 (22)*** | 459 (39) |
| Mean BMI ± SD | 28 ± 5 | 27 ± 5*** | 29 ± 6 | 29 ± 5 |
| Lifestyle factors | ||||
| Moderate-vigorous physical activity | 202 (10) | 64 (17)*** | 50 (12) | 80 (7) |
| Moderate alcohol consumption | 719 (36) | 182 (50)*** | 144 (35) | 374 (32) |
| Currently smoking | 300 (15) | 40 (11) | 82 (20)** | 172 (14) |
| Cardiovascular risk factors | ||||
| Hypertension | 1,441 (72) | 228 (62) | 317 (78) | 870 (73)*** |
| Diabetes | 303 (15) | 28 (8)*** | 58 (14) | 213 (18) |
| Cardiac disease | 407 (20) | 92 (25) | 83 (20) | 221 (19)* |
| Medications | 141 (7) | 24 (7) | 16 (4)* | 96 (8) |
Values are patient numbers with percentages in parentheses.
*
p < 0.05,
**
p < 0.001,
***
p < 0.0001.