Table 1 Demographic characteristics of participants

Sex

–

–

–

–

–

 Men

347

38.3

–

–

–

–

–

 Women

559

61.7

–

–

–

–

–

Age (mean ± SD)

46.9

5.5

46.9

5.7

46.9

5.5

0.884

BMI (mean ± SD)

23.8

3.5

25.2

3.3

23

3.4

< 0.001

< 0.001

  < 18.5

30

3.3

5

1.4

25

4.5

 18.5–23.9

492

54.3

129

37.2

363

64.9

  ≥ 24

384

42.4

213

61.4

171

30.6

Waist circumference

(mean ± SD)

83.4

9.9

88.4

8.7

80.3

9.3

< 0.001

  < 80 cm

–

–

–

–

310

55.5

–

  ≥ 80 cm

–

–

–

–

249

44.5

  < 90 cm

–

–

217

62.2

–

–

  ≥ 90 cm

–

–

130

37.5

–

–

0.001

 Illiterate/Elementary school

16

1.8

3

0.9

13

2.3

 Senior / Junior high school

324

35.8

102

29.4

222

39.9

 University and above

563

62.1

242

69.7

321

57.7

0.002

 Married

764

84.3

309

89.6

455

82.0

 Single/Divorced/Separated/

 Widowed/others

136

15

36

10.4

100

18.0

< 0.001

 Non-smoker

723

79.8

205

59.2

518

93.0

 Current smoker

125

13.8

96

27.7

29

5.2

 Ex-smoker

55

6.1

45

13.0

10

1.8

< 0.001

 No

765

84.4

240

69.2

525

94.3

 Yes

139

15.3

107

30.8

32

5.7

0.866

 Low

318

35.1

120

34.6

198

35.4

 Moderate

403

44.5

153

44.1

250

44.7

 High

185

20.4

74

21.3

111

19.9