TABLE 1.
Demographic and clinical characteristics of the study population
| Hypertension | ||||
|---|---|---|---|---|
| Overall | No | Yes | P value | |
| N | 1741 | 783 | 958 | |
| Age (years) | 48.8 (13.6) | 44.7 (14.1) | 56.4 (10.4) | <0.01 |
| Male (%) | 47.8 | 45.4 | 52.1 | <0.01 |
| White (%) | 90.1 | 91.6 | 87.4 | <0.01 |
| BMI (kg/m2) | 27.6 (5.7) | 26.5 (6.0) | 29.5 (5.0) | <0.01 |
| Diabetes (%) | 14.0 | 7.8 | 25.4 | <0.01 |
| Cholesterol (mg/dl) | 211.5 (73.7) | 204.7 (52.1) | 224.2 (86.6) | <0.01 |
| Heart disease (%) | 10.0 | 6.0 | 17.2 | <0.01 |
| Stroke (%) | 1.7 | 1.2 | 2.6 | 0.03 |
| AHI (events/h) | 2.4 (7.6) | 1.6 (7.4) | 3.8 (7.7) | <0.01 |
| Insomnia (%) | 7.5 | 5.2 | 11.8 | <0.01 |
| Depression (%) | 17.3 | 15.6 | 20.4 | 0.01 |
| Smoker (%) | 23.0 | 25.2 | 18.9 | <0.01 |
| Objective sleep duration (h) | 5.9 (1.2) | 6.1 (1.3) | 5.5 (1.0) | <0.01 |
All data are adjusted for sampling weight. AHI, apnea/hypopnea index.