Table 1 Characteristics of study population, Zhejiang metabolic syndrome prevalence survey, China, 2010 ^a

Age (year)

49.4(15.1)

50.3(15.3)

48.6(15.0)

<0.01

Weight (kg)

60.0(10.5)

64.3(10.3)

56.2(9.1)

<0.01

Height (cm)

160.7(8.0)

166.2(6.6)

156.0(5.9)

<0.01

Body mass index (kg/m²)

23.2(3.3)

23.2(3.2)

23.1(3.4)

<0.01

General overweight ^c (%)

24.1(23.4-24.8)

24.9(24.2-25.6)

23.5(22.8-24.2)

0.04

General overweight ^d (%)

29.9(29.2-30.6)

31.3(30.6-32.0)

28.7(28.0-29.4)

<0.01

General obesity ^c (%)

2.9(2.6-3.1)

2.5(2.1-2.9)

3.2(2.8-3.6)

<0.01

General obesity ^d (%)

7.6(7.2-8.0)

7.4(7.0-7.8)

7.9(7.5-8.1)

0.23

Abdominal overweight (%)

31.3(30.6-32.0)

31.0(29.9-32.1)

31.5(30.5-32.5)

0.48

Abdominal obesity (%)

11.9(11.4-12.4)

9.7(9.0-10.4)

13.9(13.2-14.6)

<0.01

Education level (%)

<0.01

 Primary or lower

52.0(51.2-52.7)

46.3(45.1-47.4)

56.9(55.8-58.0)

 Secondary

43.3(42.5-44.1)

48.6(47.5-49.8)

38.7(37.7-39.7)

 Advanced

4.7(4.4-5.1)

5.1(4.6-5.6)

4.4(4.0-4.9)

Marital status (%)

<0.01

 Single

6.8(6.4-7.2)

8.0(7.4-8.6)

5.8(5.3-6.3)

 Married

87.4(86.8-87.9)

88.5(87.7-89.2)

86.4(85.7-87.1)

 Divorced

0.6(0.5-0.7)

0.7(0.5-0.9)

0.4(0.3-0.6)

 Widowed

5.3(5.0-5.7)

2.8(2.5-3.2)

7.4(6.9-8.0)

Individual SES (%)

0.34

 Low

33.2(32.5-34.0)

33.4(32.3-34.4)

33.1(32.1-34.1)

 Medium

28.2(27.5-28.9)

27.7(26.6-28.7)

28.7(27.7-29.7)

 High

38.6(37.8-39.3)

39.0(37.8-40.1)

38.2(37.2-39.2)

Smoking (%)

<0.01

 Non-smoker

69.9(69.2-70.6)

39.2(38.1-40.3)

96.5(96.1-96.9)

 Ex-smoker

7.0(6.6-7.4)

12.0(11.3-12.8)

2.7(2.3-3.0)

 Present-smoker

23.1(22.4-23.7)

48.8(47.6-49.9)

0.9(0.7-1.1)

Alcohol intake (%)

<0.01

 Non-drinker

70.3(69.6-71.0)

46.4(45.3-47.6)

90.9(90.2-91.5)

 Once-drinker

4.7(4.4-5.0)

7.2(6.6-7.8)

2.5(2.2-2.9)

 Present-drinker

25.0(24.5-25.7)

46.4(45.2-47.5)

6.6(6.1-7.2)

Physical activity status (%)

<0.01

 Active

19.3(18.7-20.0)

26.8(25.8-27.8)

12.9(12.2-13.6)

 Inactive

80.7(80.0-81.3)

73.2(72.2-74.2)

87.1(86.4-87.8)