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Table 2 Trends in prevalence of low risk profile and its components by body mass index (BMI) categories*

From: Secular trends in the prevalence of low risk factor burden for cardiovascular disease according to obesity status among Chinese adults, 1993–2009

  

1993

1997

2000

2004

2006

2009

Δ†

P for trend‡

P§

Men

The simultaneous presence of 4 health metrics‖ (%)

BMI < 25 kg/m2

18.2

16.9

17.3

15.0

17.1

15.2

-3.0

<0.0001

0.0044

BMI 25–29.9 kg/m2

6.8

4.1

8.2

5.0

5.8

4.4

-2.4

0.0427

BMI ≥ 30 kg/m2

11.8

11.1

2.3

3.7

3.2

0.1

-11.7

<0.0001

Not currently smoking (%)

BMI < 25 kg/m2

37.8

40.8

42.6

42.9

44.4

42.7

4.9

0.0002

0.1098

BMI 25–29.9 kg/m2

41.6

47.3

50.5

51.0

53.4

53.3

11.7

<0.0001

BMI ≥ 30 kg/m2

50.8

55.1

47.3

53.4

55.9

49.7

-1.1

0.1338

Waist circumference < 90 cm (%)

BMI < 25 kg/m2

95.6

95.4

92.2

89.9

91.1

89.6

-6.0

<0.0001

0.0009

BMI 25–29.9 kg/m2

58.1

39.9

43.9

42.5

38.5

32.4

-25.7

<0.0001

BMI ≥ 30 kg/m2

64.0

48.4

17.3

26.0

19.3

3.7

-60.3

<0.0001

Untreated systolic/diastolic blood pressure <120/80 mmHg (%)

BMI < 25 kg/m2

50.0

42.7

41.0

37.6

39.5

38.0

-12.0

<0.0001

0.0391

BMI 25–29.9 kg/m2

29.0

19.5

25.7

17.1

21.6

17.9

-11.1

<0.0001

BMI ≥ 30 kg/m2

42.6

22.9

14.1

13.1

12.5

9.2

-33.4

<0.0001

Not having been previously diagnosed with diabetes (%)

BMI < 25 kg/m2

100.0

97.0

93.5

99.0

98.6

98.7

-1.3

<0.0001

< 0.001

BMI 25–29.9 kg/m2

99.2

96.6

93.7

97.9

98.0

96.4

-2.8

<0.0001

 

BMI ≥ 30 kg/m2

99.9

98.5

93.0

92.8

98.0

91.6

-8.3

0.0002

Women

The simultaneous presence of 4 health metrics‖ (%)

BMI < 25 kg/m2

53.5

46.6

47.0

42.9

44.6

42.6

-10.9

<0.0001

0.0013

BMI 25–29.9 kg/m2

15.6

15.1

10.6

10.0

9.7

9.1

-5.9

<0.0001

BMI ≥ 30 kg/m2

21.4

10.7

11.0

16.3

5.8

0.3

-21.1

<0.0001

Not currently smoking (%)

BMI < 25 kg/m2

95.8

95.7

96.1

96.9

97.7

97.7

1.9

0.0021

0.9113

BMI 25–29.9 kg/m2

96.4

95.5

95.2

96.9

97.7

97.8

1.4

0.0168

BMI ≥ 30 kg/m2

89.8

92.7

96.3

96.2

88.7

82.2

-7.6

0.4429

Waist circumference < 80 cm (%)

BMI < 25 kg/m2

80.7

80.2

76.2

74.0

72.6

69.1

-11.6

<0.0001

0.0035

BMI 25–29.9 kg/m2

27.5

25.5

23.8

15.4

16.3

14.1

-13.4

<0.0001

BMI ≥ 30 kg/m2

35.2

16.0

27.5

20.7

20.0

0.7

-34.5

<0.0001

Untreated systolic/diastolic blood pressure <120/80 mmHg (%)

BMI < 25 kg/m2

63.3

55.7

58.0

54.8

56.4

54.6

-8.7

<0.0001

0.0029

BMI 25–29.9 kg/m2

45.9

40.1

36.7

41.9

37.6

37.9

-8.0

<0.0001

BMI ≥ 30 kg/m2

36.9

30.2

31.3

49.7

18.3

15.1

-21.8

0.0002

Not having been previously diagnosed with diabetes (%)

BMI < 25 kg/m2

100.0

96.7

95.7

98.9

98.9

98.7

-1.3

<0.0001

< 0.001

BMI 25–29.9 kg/m2

99.4

96.2

94.3

98.2

98.2

98.0

-1.4

<0.0001

 

BMI ≥ 30 kg/m2

95.8

89.1

93.8

97.2

92.3

79.7

-16.1

<0.0001

  1. *Estimates are weighted to be representative of the Chinese population aged 18 to 118 years.
  2. †The sixth survey-the first survey (2009–1993);
  3. ‡Trends in prevalence of low risk factor profile and its components from 1993 to 2009 were assessed by Cochran–Armitage trend testing;
  4. §P for survey * BMI interaction terms comparing the first and sixth surveys;
  5. ‖The simultaneous presence of not currently smoking, WC < 90/80 cm, untreated systolic/diastolic BP < 120/80 mmHg, and not having been previously diagnosed with diabetes.
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BMC Public Health

ISSN: 1471-2458

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