Table 5 The prevalence of MetS by age group with four definitions, the prevalence ratios (PR) and 95% CIs for age groups

Age groups

%

PR

95% CI

%

PR

95% CI

%

PR

95% CI

%

PR

95% CI

25-34

4.0

1.0

14.5

1.0

16.9

1.0

19.3

1.0

35-44

7.1

1.8

1.0-3.2

24.0

1.7

1.2-2.2

30.9

1.8

1.4-2.4

33.5

1.7

1.4-2.2

45-54

21.2

5.3

3.1-9.0

38.9

2.7

2.1-3.5

48.9

2.9

2.3-3.7

51.9

2.7

2.2-3.4

55-64

30.0

7.5

4.5-12.5

44.1

3.0

2.4-4.0

55.9

3.3

2.6-4.2

58.1

3.0

2.4-3.8

65-74

36.2

9.1

5.4-15.1

47.4

3.3

2.5-4.3

60.3

3.6

2.8-4.5

61.7

3.2

2.6-4.0

75+

31.8

8.0

4.7-13.5

33.1

2.3

1.7-3.1

52.1

3.1

2.4-4.0

56.8

2.9

2.3-3.7

Age groups

%

PR

95% CI

%

PR

95% CI

%

PR

95% CI

%

PR

95% CI

25-34

0.9

1.0

5.8

1.0

6.7

1.0

7.1

1.0

35-44

2.6

2.9

1.0-8.8

13.0

2.2

1.5-3.5

17.8

2.7

1.8-4.0

17.8

2.5

1.7-3.7

45-54

8.8

9.8

3.6-26.9

27.5

4.7

3.3-7.3

32.4

4.8

3.4-7.2

32.8

4.6

3.3-6.7

55-64

14.4

16.0

5.9-43.2

38.7

6.7

4.6-10.2

45.2

6.8

4.8-9.9

46.2

6.5

4.7-9.4

65-74

23.4

26.0

9.7-69.6

47.6

8.2

5.7-12.5

57.7

8.6

6.2-12.6

59.0

8.3

6.0-11.9

75+

33.3

37.0

13.8-99.2

54.7

9.4

6.6-14.4

65.6

9.8

7.0-14.4

66.9

9.4

6.8-13.6