Participant characteristics | Total screened population N = 4284 | Comparisons by elevated blood pressurea | ||||||
---|---|---|---|---|---|---|---|---|
Normal BP n = 3374 | All elevated BP n = 910 (21.2%) | Elevated BP in known hypertensive subjects n = 158 (62.2%) of 254 | Elevated BP in non-known hypertensive subjects n = 752 (18.7%) of 4030 | |||||
Mean ± SD or % (n) | p valueb | Mean ± SD or % (n) | p valueb | Mean ± SD or % (n) | p valueb | |||
Female (%) (n) | 56.4 (2417) | 57.0 (1922) | 54.4 (495) | 0.165 | 54.4 (86) | 0.530 | 54.4 (409) | 0.197 |
Age (years) | 46 ± 16 | 44 ± 15 | 55 ± 15 | < 0.001 | 56 ± 14 | < 0.001 | 55 ± 15 | < 0.001 |
Height (cm) | 166 ± 4 | 166 ± 4 | 166 ± 4 | 0.486 | 166 ± 4 | 0.193 | 166 ± 4 | 0.180 |
Weight (kg) | 73.6 ± 9.3 | 72.8 ± 8.2 | 76.7 ± 12 | < 0.001 | 76.2 ± 12.1 | < 0.001 | 76.7 ± 12 | < 0.001 |
BMI (kg/m2) | 26.6 ± 3.7 | 26.4 ± 3.3 | 27.7 ± 4.6 | < 0.001 | 27.8 ± 4.7 | < 0.001 | 27.7 ± 4.7 | < 0.001 |
Waist circumference (cm) | 74.4 ± 16.6 | 72.7 ± 15.6 | 80.4 ± 18.6 | < 0.001 | 80.0 ± 18.2 | < 0.001 | 80.5 ± 18.6 | < 0.001 |
Smoking history (%) (n) | 34.0 (1457) | 26.6 (896) | 61.6 (561) | < 0.001 | 61.4 (97) | < 0.001 | 61.7 (464) | < 0.001 |
Alcohol history (%) (n) | 63.8 (2732) | 58.1 (1959) | 84.9 (773) | < 0.001 | 82.9 (131) | < 0.001 | 85.4 (642) | < 0.001 |
Systolic BP (mmHg) | 127 ± 18 | 119 ± 12 | 153 ± 14 | < 0.001 | 153 ± 16 | < 0.001 | 153 ± 13 | < 0.001 |
Diastolic BP (mmHg) | 76 ± 11 | 72 ± 8 | 88 ± 9 | < 0.001 | 89 ± 9 | < 0.001 | 88 ± 9 | < 0.001 |
Blood glucose (mg/dL) | 101 ± 22 | 100 ± 21 | 105 ± 25 | < 0.001 | 103 ± 30 | 0.051 | 105 ± 24 | < 0.001 |
Elevated blood glucose (%) (n)c | 18.2 (779) | 16.5 (558) | 24.3 (221) | < 0.001 | 7.6 (12) | 0.003 | 27.8 (208) | < 0.001 |