Research Article
The Relationship between Sleep-Disordered Breathing and Hypertension in a Nationally Representative Sample
Table 1
Baseline characteristics of the study population*.
| Characteristics | No hypertension () | Hypertension () | value |
| Women (%) | 2313 (51.9) | 1145 (50.1) | 0.011 | Age (years) | 40.2 ± 0.4 | 53.6 ± 0.6 | <0.0001 | Race/ethnicity (%) | | | <0.0001 | Non-Hispanic whites | 2123 (71.1) | 1210 (74.8) | | Non-Hispanic blacks | 765 (9.0) | 587 (12.4) | | Mexican Americans | 973 (9.4) | 327 (5.2) | | Others | 571 (10.4) | 227 (7.4) | | Education categories (%) | | | <0.0001 | Below high school | 1121 (16.0) | 687 (18.7) | | High school | 1049 (23.7) | 590 (25.7) | | Above high school | 2262 (60.2) | 1074 (55.6) | | Smoking (%) | | | 0.522 | Never smoker | 2479 (54.6) | 1188 (50.1) | | Former smoker | 905 (21.0) | 697 (29.2) | | Current smoker | 1048 (24.3) | 466 (20.7) | | Alcohol intake (%) | | | <0.0001 | Current drinker | 3164 (76.7) | 1441 (68.4) | | Moderate physical activity (%) | 2168 (55.6) | 1005 (49.6) | <0.0001 | Body mass index (%) | | | <0.0001 | Normal weight | 1568 (38.5) | 483 (21.4) | | Overweight | 1595 (34.3) | 781 (32.9) | | Obese | 1269 (27.2) | 1087 (45.6) | | Depression (%) | 262 (4.5) | 172 (6.4) | 0.023 | Diabetes (%) | 287 (4.6) | 544 (18.0) | <0.0001 | Total cholesterol (mg/dL) | 198.75 ± 0.79 | 204.34 ± 1.25 | 0.002 | C-reactive protein (mg/dL) | 0.364 ± 0.015 | 0.452 ± 0.019 | <0.0001 |
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*Data presented are number (percentages) or mean values ± standard error (SE), as appropriate for the variable.
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