Table 1 General characteristics of participants based on their sleep length, sleep quality score and shift work status
Sleep length | |||||
|---|---|---|---|---|---|
≤5 h | 6 h | 7 h | 8 h | ≥9 h | |
Number of participants | 189751 (5.2%) | 740321 (20.1%) | 1567331 (42.5%) | 1159621 (31.1%) | 27347 (0.7%) |
Age (years) mean ± SD | 57.38 ± 7.68 | 56.63 ± 7.77 | 56.11 ± 8.01 | 57.35 ± 8.13 | 59.20 ± 7.81 |
BMI (kg/m²) mean ± SD | 28.27 ± 5.15 | 27.63 ± 4.74 | 27.00 ± 4.43 | 27.04 ± 4.42 | 27.83 ± 4.82 |
SBP (mmHg) mean ± SD | 142.21 ± 20.15 | 140.81 ± 19.79 | 139.90 ± 19.93 | 141.26 ± 20.55 | 143.92 ± 20.82 |
DBP (mmHg) mean ± SD | 84.73 ± 10.98 | 84.15 ± 10.90 | 83.58 ± 10.84 | 83.89 ± 10.95 | 85.05 ± 10.97 |
% Female | 10,540 (56%) | 38,152 (52%) | 81,279 (52%) | 64,439 (56%) | 14,903 (54%) |
Antihypertensive medication | 2106 (11%) | 5760 (7.8%) | 9405 (6.0%) | 8341 (7.2%) | 3119 (11%) |
History of hypertension | 3925 (21%) | 12,677 (17%) | 23,038 (15%) | 19,610 (17%) | 6403 (23%) |
Sleep quality score | |||||
4 to 5 | 2 to 3 | 0 to 1 | |||
Number of participants | 59787 (23.1%) | 168431 (64.9%) | 31153 (12.0%) | ||
Age (years) mean ± SD | 55.10 ± 8.25 | 56.59 ± 8.01 | 57.81 ± 7.76 | ||
BMI (kg/m²) mean ± SD | 26.30 ± 4.16 | 27.20 ± 4.47 | 28.60 ± 4.83 | ||
SBP (mmHg) mean ± SD | 138.03/82.58 ± 19.84 | 140.48 ± 20.06 | 143.15 ± 20.05 | ||
DBP (mmHg) mean ± SD | 82.58 ± 10.68 | 83.91 ± 10.90 | 85.45 ± 10.98 | ||
% Female | 32471 (54%) | 88389 (52%) | 14059 (44%) | ||
Antihypertensive medication | 9134 (12%) | 36032 (17%) | 9776 (23%) | ||
History of hypertension | 3587 (4.9%) | 15708 (7.3%) | 4557 (11%) | ||
Shift work | |||||
No shift work | Day shift | Mixed shift | Night shift | Permanent night shift | |
Number of participants | 183518 (83.7%) | 17480 (8.0%) | 10150 (4.6%) | 3167 (1.4%) | 4716 (2.2%) |
Age (years) mean ± SD | 52.55 ± 6.92 | 52.27 ± 6.89 | 51.01 ± 6.72 | 50.92 ± 6.68 | 51.23 ± 6.68 |
BMI (kg/m²) mean ± SD | 26.92 ± 4.44 | 27.55 ± 4.72 | 28.00 ± 4.62 | 28.09 ± 4.69 | 28.28 ± 4.51 |
SBP (mmHg) mean ± SD | 136.30 ± 18.87 | 136.44 ± 18.79 | 137.26 ± 18.41 | 136.87 ± 17.86 | 138.29 ± 18.37 |
DBP (mmHg) mean ± SD | 83.16 ± 10.89 | 83.43 ± 10.94 | 84.32 ± 11.01 | 84.14 ± 10.72 | 84.81 ± 10.92 |
% Female | 77733 (51%) | 6735 (49%) | 2715 (34%) | 772 (32%) | 1102 (31%) |
Antihypertensive medication | 19698 (11%) | 2024 (12%) | 1171 (12%) | 366 (12%) | 559 (12%) |
History of hypertension | 7055 (3.8%) | 830 (4.7%) | 451 (4.4%) | 148 (4.7%) | 223 (4.7%) |
