Table 1 Baseline characteristics of the participants, N = 2624.

From: The relationship between Plasma Markers and Essential Hypertension in Middle-aged and Elderly Chinese Population: A Community Based Cross-sectional Study

Characteristic

Control (n = 1135)

Hypertension (n = 1489)

P

Male, N(%)

436(38.4%)

669(44.5%)

0.001

Age, years (Median)

62(58–65)

62(59–65)

0.016

BMI, mean ± SD, kg/m2

23.91 ± 3.02

25.48 ± 3.16

<0.001

Smoking status

   Never

823(72.5%)

975(65.5%)

<0.001

   Former

100(8.8%)

232(15.6%)

 

   Current

212(18.7%)

282(18.9%)

 

Alcohol use, N (%)

   Never

840(74%)

1001(67.2%)

0.001

   Former

72(6.3%)

111(7.5%)

 

   Current

223(19.6%)

377(25.3%)

 

SBP(mmHg)

128(120–134)

155(145–170)

<0.001

DBP(mmHg)

77(71–81)

90(83–97)

<0.001

Diabetes, N(%)

59(5.2%)

121(8%)

0.005

Fasting glucose (mg/dl)

5.53(5.16–6.05)

5.58(5.36–6.57)

<0.001

Physical activity

   Never

124(10.9%)

154(10.3%)

0.858

   Sometimes

516(45.5%)

648(46.1%)

 

   Often

495(43.6%)

653(43.5%)

 

Total Cholesterol, mean ± SD, mmol/L

5.39(4.72–6.02)

5.43(4.80–6.06)

0.201

TG, mean ± SD, mmol/L

1.16(0.84–1.62)

1.37(0.99–1.94)

<0.001

HDL-c, mean ± SD, mmol/L

1.45(1.22–1.71)

1.36(1.16–1.60)

<0.001

LDL-c, mean ± SD, mmol/L

3.3(2.76–3.87)

3.38(2.89–3.96)

0.008

Creatinine, mean ± SD, umol//l

62.62(57.10–73.50)

64.48(57.17–75.01)

<0.001

Antihypertensive use, N(%)#

 

314(21.1%)

 

   β-blockers

59(4%)

 

   ACEI

10(0.7%)

 

   ARB

63(4.2%)

 

   Calcium antagonists

136(9.1%)

 

   Diuretics

4(0.3%)

 

   Other Antihypertensive

70(4.2%)

 
  1. TG, Triglycerides; HDL-c, High-density lipoprotein; LDL-c, Low-density lipoprotein; ACEI, Angiotensin-converting enzyme inhibitors; ARB, Angiotensin receptor blockers.
  2. #The figures and percentile for anti-hypertensive drugs describe the N(%) within hypertension group.