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Table 1 Socio demographic characteristics of Chinese citizen living in Ningbo municipal center stratified by age

From: Salt consumption and the risk of chronic diseases among Chinese adults in Ningbo city

Socio demographic characteristic

Total (n)

Age (%)

18–40

41–65

> 65

Sex

 Male

1354

28

64

9

 Female

1457

30

61

9

Ethic group

 Han

2799

29

62

9

Geography

 Urban

1687

30

60

10

 Rural

1124

27

66

7

Education

 No education or lower secondary

1769

11

77

13

 Secondary

462

41

55

3

 Higher education

580

76

24

1

Occupation

 Public service (e.g. teachers, administers at governments)

356

58

40

2

 Laborers (e.g. workers, famers)

1260

16

73

11

 Students

38

92

8

0

 Other sectors (e.g. business)

482

46

51

3

 Others

675

22

66

12

Household Income

 Low (< 6000/y)

24

17

58

25

 Medium (6000–180,000/y)

2441

26

64

9

 High (≥ 180,000/y)

346

48

49

4

Regular Physical Activity

 Yes

1402

27

63

10

 No

1410

31

62

7

Regular Smoking

 Yes

611

22

70

8

 No

2200

31

60

9

Regular Alcohol Drinking

 Yes

570

16

75

10

 No

2241

32

59

8

BMI

 Underweight

205

60

34

6

 Normal Weight

1699

30

62

8

 Overweight

754

20

70

10

 Obesity

153

24

64

12

Fasting blood glucose

 Low

80

39

55

6

 Normal

2616

30

62

8

 High/Diabetes

115

7

77

17

Blood pressure

 Low

4

25

75

0

 Normal

417

53

45

3

 Pre-hypertension

2057

27

65

8

 Hypertension

333

10

71

20