Variables | Total subjects (n = 2447) | Hypertensive (n = 748) | Normotensive (n = 1699) | P a |
---|---|---|---|---|
Demographics, %b | ||||
Age, | Â | Â | Â | < 0.01 |
 Middle-age (≤ 55 y) | 49.11 | 53.59 | 47.13 |  |
 Elder (> 55 y) | 50.89 | 46.41 | 52.87 |  |
 Females | 52.88 | 51.87 | 53.33 | 0.48 |
Education levels | Â | Â | Â | < 0.01 |
 Primary (< 9 years) | 66.89 | 75.61 | 62.31 |  |
 Secondary (9–12 years) | 27.86 | 21.41 | 31.25 |  |
 High (>12 years) | 5.25 | 2.98 | 6.44 |  |
Profession | Â | Â | Â | 0.01 |
 Manual labor | 38.66 | 34.24 | 40.64 |  |
 non-manual labor | 61.34 | 65.76 | 59.36 |  |
Lifestyle factors, %b | Â | Â | Â | Â |
Smoking habit | Â | Â | Â | 0.01 |
 Current smokers (≥ 18 pack/year) | 24.28 | 20.94 | 25.75 |  |
 Former/never | 75.72 | 79.06 | 74.25 |  |
Drinking habit | Â | Â | Â | 0.04 |
 Current (≥ 25 g/day) | 26.86 | 25.13 | 28.62 |  |
 Former/never | 73.14 | 74.87 | 71.38 |  |
Salt consumption | Â | Â | Â | 0.01 |
 High-salt (> 6 g/day) | 25.72 | 29.21 | 24.18 |  |
 Moderate/low-salt | 74.28 | 70.79 | 76.82 |  |
Exercise habit | Â | Â | Â | < 0.01 |
 Regular (≥ 3 times/week) | 23.85 | 20.76 | 28.95 |  |
 Irregular/never | 76.15 | 79.24 | 71.05 |  |
Family history of hypertension, %b | ||||
 Yes | 24.43 | 34.46 | 20.99 | < 0.01 |
 No | 75.57 | 65.54 | 79.01 |  |
Anthropometry indicators, mean (SD)c | ||||
 BMI (kg/m2) | 23.80 (3.23) | 24.93 (3.43) | 23.44 (3.18) | < 0.01 |
 SBP (mm Hg) | 126.42 (17.95) | 137.10 (12.76) | 119.44 (14.78) | < 0.01 |
 DBP (mm Hg) | 81.22 (7.53) | 86.28 (8.66) | 79.70 (6.10) | < 0.01 |
 HR (beat/min) | 71.00 (10.19) | 72.88 (11.07) | 70.53 (9.75) | < 0.01 |
Biochemical parameters, median (QR)d | ||||
 TG(mmol/L) | 1.26 (0.88–1.86) | 1.47 (1.01–2.08) | 1.19 (0.83–1.73) | < 0.01 |
 TC (mmol/L) | 4.59 (4.07–5.24) | 4.73 (4.19–5.35) | 4.54 (4.02–5.85) | < 0.01 |
 Fbg (mmol/L) | 4.64 (4.29–5.08) | 4.73 (4.36–5.22) | 4.60 (4.24–5.00) | < 0.01 |