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Table 1 Demographic and clinical characteristics of adults aged 20–80 years in Shaanxi Province, China, 2014

From: Neck circumference as an indicator of elevated blood pressure independent from body composition: implications from the China nation health survey (CNHS)

Characteristics

Male (n = 1733)

Female (n = 2546)

Total (n = 4279)

Age, years (mean, SD)

47.64

14.01

46.39

13.64

46.90

13.80

Age groups* (n, %)

 20-

232

13.39

376

14.77

608

14.21

 30-

291

16.79

459

18.03

750

17.53

 40-

408

23.54

593

23.29

1001

23.39

 50-

412

23.77

664

26.08

1076

25.15

 60–80

390

22.50

454

17.83

844

19.72

Education attainment* (n, %)

 Elementary school or below

143

8.25

394

15.48

537

12.55

 High school

1021

58.92

1375

54.01

2396

55.99

 College or higher

569

32.83

776

30.48

1345

31.43

Urban resident

1088

62.78

1621

63.67

2709

63.31

Cigarette smoking* (n, %)

 Never smoking

584

33.70

2513

98.70

3097

72.38

 Ever smoking

1149

66.30

33

1.30

1182

27.62

Alcohol consumption* (n, %)

 Quit drinking

97

5.60

6

0.24

103

2.41

 Regular drinking

279

16.10

22

0.86

301

7.03

 Occasionally drinking

584

33.70

119

4.67

703

16.43

 Never drinking

773

44.60

2399

94.23

3172

74.13

Physical activity* (n, %)

 Inactive

242

13.96

447

17.56

689

16.10

 Moderate

1169

67.46

1918

75.33

3087

72.14

 Active

320

18.47

180

7.07

500

11.68

Family history of HTN* (n, %)

697

44.13

1123

44.13

1820

42.54

BMI*, kg/m2 (mean, SD)

24.13

3.29

23.38

3.63

23.68

3.52

WC*, cm (mean, SD)

88.19

9.93

82.04

10.54

84.53

10.73

WHR* (mean, SD)

0.90

0.07

0.87

0.07

0.88

0.07

FPG, mmol/L (mean, SD)

5.33

1.35

5.17

1.24

5.24

1.29

TC, mmol/L (mean, SD)

4.34

0.86

4.46

0.96

4.41

0.92

TG, mmol/L (mean, SD)

1.75

1.19

1.53

1.30

1.62

1.26

LDL-C, mmol/L (mean, SD)

2.64

1.76

2.62

1.15

2.63

1.43

HDL-C, mmol/L (mean, SD)

1.24

2.32

1.39

1.48

1.33

1.87

NC*, cm (mean, SD)

38.70

2.55

34.27

2.15

36.07

3.18

SBP* mmHg (mean, SD)

124.70

15.47

118.04

18.60

120.73

17.70

DBP*, mmHg (mean, SD)

78.14

10.80

73.30

10.61

75.26

10.95

Antihypertensive medication usage (n, %#)

235

50.43

329

60.37

564

55.79

Pre-HTN* (n, %)

259

14.95

214

8.41

473

11.05

HTN* (n, %)

466

26.89

545

21.41

1011

23.63

  1. *p < 0.001 for the compassion between sex groups. Numbers may not sum to group totals due to missing values in some variables. BMI Body mass index, WC Waist circumference, WHR Waist-hip ratio, HTN Hypertension, NC Neck circumference, SBP Systolic blood pressure, DBP Diastolic blood pressure; # calculated as HTN patients who took antihypertensive medication divided by the overall number of HTN patients