TABLE 1.
Baseline characteristics of hypertensive patients were described according to the two groups (sleep-disordered and non-sleep-disordered).
| Baseline characteristics | Total | Sleep disorder | Non-sleep disorder | P-value |
| N = 15,871 | N = 5,791 | N = 10,080 | ||
| Age (years) | 59.32 ± 15.48 | 58.75 ± 14.45 | 59.64 ± 16.04 | < 0.001*** |
| Gender, n (%) | < 0.001*** | |||
| Male | 7,694 (48.48%) | 2,484 (42.89%) | 5,210 (51.69%) | |
| Female | 8,177 (51.52%) | 3,307 (57.11%) | 4,870 (48.31%) | |
| Race, n (%) | < 0.001*** | |||
| Mexican American | 1,747 (11.01%) | 516 (8.91%) | 1,231 (12.21%) | |
| Other Hispanic | 1,367 (8.61%) | 506 (8.74%) | 861 (8.54%) | |
| Non-Hispanic White | 6,761 (42.60%) | 2,710 (46.80%) | 4,051 (40.19%) | |
| Non-Hispanic Black | 4,559 (28.73%) | 1,616 (27.91%) | 2,943 (29.20%) | |
| Other races | 1,437 (9.05%) | 443 (7.65%) | 994 (9.86%) | |
| Education level, n (%) | 0.009** | |||
| >High school | 4,024 (25.35%) | 1,388 (23.97%) | 2,636 (26.15%) | |
| High school | 3,898 (24.56%) | 1,456 (25.14%) | 2,442 (24.23%) | |
| >High school | 7,949 (50.09%) | 2,947 (50.89%) | 5,002 (49.62%) | |
| Marital status, n (%) | < 0.001*** | |||
| Married/cohabiting | 9,155 (57.68%) | 3,099 (53.51%) | 6,056 (60.08%) | |
| Divorced/widowed/ separated |
5,353 (33.73%) | 2,170 (37.47%) | 3,183 (31.58%) | |
| Never married | 1,363 (8.59%) | 522 (9.01%) | 841 (8.34%) | |
| BMI (kg/m2), n (%) | < 0.001*** | |||
| <25 | 2,716 (17.11%) | 840 (14.51%) | 1,876 (18.61%) | |
| ≥ 25, <30 | 4,906 (30.91%) | 1,575 (27.20%) | 3,331 (33.05%) | |
| ≥30 | 8,249 (51.98%) | 3,376 (58.30%) | 4,873 (48.34%) | |
| Smoking, n (%) | < 0.001*** | |||
| Ever | 7,815 (49.24%) | 3,144 (54.29%) | 4,671 (46.34%) | |
| Never | 8,056 (50.76%) | 2,647 (45.71%) | 5,409 (53.66%) | |
| Diabetes, n (%) | < 0.001*** | |||
| Yes | 4,023 (25.35%) | 1,671 (28.86%) | 2,352 (23.33%) | |
| No | 11,848 (74.65%) | 4,120 (71.14%) | 7,728 (76.67%) | |
| Coronary heart disease, n (%) | < 0.001*** | |||
| Yes | 1,368 (8.62%) | 590 (10.19%) | 778 (7.72%) | |
| No | 14,503 (91.38%) | 5,201 (89.81%) | 9,302 (92.28%) | |
| Stroke,n (%) | < 0.001*** | |||
| Yes | 1,353 (8.52%) | 637 (11.00%) | 716 (7.10%) | |
| No | 14,518 (91.48%) | 5,154 (89.00%) | 9,364 (92.90%) | |
| Family PIR (mean ± SD) | 2.43 ± 1.52 | 2.33 ± 1.52 | 2.48 ± 1.51 | < 0.001*** |
| Total cholesterol (mg) | 190.00 ± 42.25 | 189.82 ± 42.99 | 190.10 ± 41.82 | 0.410 |
| Alcohol consumption (mean ± SD) | 4.48 ± 32.46 | 4.44 ± 30.35 | 4.50 ± 33.62 | 0.319 |
PIR, Ratio of family income to poverty; BMI, body mass index. *p < 0.05, **p < 0.01, ***p < 0.001; ap < 0.05 was considered statistically significant.