Table 1 Characteristics of study population with or without MetS in the rural hypertensive population of Liaoning Province, China

Age (year)

57.29 ± 10.24

57.48 ± 10.50

57.04 ± 9.89

0.109

Ethnicity

0.128

 Han

5555(94.7)

3149(94.4)

2406(95.1)

 Others^a

311(5.3)

187(5.6)

124(4.9)

Educational status

0.001

 Primary school or below

3276(55.8)

1803(54.0)

1473(58.2)

 Middle school

2075(35.4)

1248(37.4)

827(32.7)

 High school or above

515(8.8)

285(8.5)

230(9.1)

Physical activity

<0.001

 Light

1993(34.0)

1025(30.7)

968(48.6)

 Moderate

3531(60.2)

2134(64.0)

1397(55.2)

 Severe

342(5.8)

177(5.3)

165(6.5)

Annual income (CNY/year)

0.081

 ≤5000

897(15.3)

520(15.6)

377(42.0)

 5000-20000

3282(55.9)

1895(56.8)

1387(54.8)

 >20000

1687(28.8)

921(27.6)

766(30.3)

Smoking status (%)

<0.001

 Never

3492(59.5)

1786(53.5)

1706(48.9)

 Former

318(5.4)

195(5.8)

123(4.9)

 Current

2056(35.0)

1355(65.9)

701(34.1)

Drinking status (%)

<0.001

 Never

4237(72.2)

2197(65.9)

2040(80.6)

 Former

196(3.3)

125(3.7)

71(2.8)

 Current

1433(24.4)

1014(30.4)

419(16.6)

Diet score

2.30 ± 1.13

2.37 ± 1.12

2.20 ± 1.14

<0.001

Sleep duration (h/d)

7.23 ± 1.76

7.26 ± 1.75

7.20 ± 1.78

0.276

SBP (mmHg)

158.91 ± 19.66

157.61 ± 18.87

160.62 ± 20.53

<0.001

DBP (mmHg)

88.85 ± 11.17

88.14 ± 10.89

89.79 ± 11.47

<0.001

BMI (kg/m2)

25.56 ± 3.66

23.90 ± 3.05

27.76 ± 3.21

<0.001

WC (cm)

84.89 ± 9.74

79.82 ± 8.00

91.57 ± 7.54

<0.001

TC (mmol/L)

5.42 ± 1.11

5.30 ± 1.04

5.57 ± 1.19

<0.001

TG (mmol/L)

1.83 ± 1.66

1.44 ± 1.18

2.35 ± 2.02

<0.001

LDL-C (mmol/L)

3.08 ± 0.86

2.97 ± 0.82

3.22 ± 0.89

<0.001

HDL-C (mmol/L)

1.42 ± 0.40

1.53 ± 0.43

1.28 ± 0.31

<0.001

FPG (mmol/L)

6.16 ± 1.89

5.83 ± 1.57

6.60 ± 2.17

<0.001

Antihypertensive medication

 Yes

1733(29.5)

746(22.3)

987(39.0)

<0.001