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Table 3 HRs and 95%CI for the Relation of a 1-SD Increase in Systolic BP and Diastolic BP According to Baseline BMI Divided by Sex (men and women)

From: Blood pressure, body mass index and risk of cardiovascular disease in Chinese men and women

BMI

Systolic BP

Diastolic BP

 

HR*

95%CI

HR*

95%CI

Men

    

<18.5 kg/m2

1.26

1.18-1.35

1.25

1.17-1.33

18.5-23.9 kg/m2

1.48

1.42-1.53

1.46

1.41-1.52

24-27.9 kg/m2

1.63

1.53-1.74

1.48

1.38-1.58

≥ 28 kg/m2

1.79

1.54-2.07

1.57

1.36-1.80

All

1.47

1.43-1.50

1.42

1.38-1.46

P for interaction*

<0.0001

<0.0001

Women

    

<18.5 kg/m2

1.27

1.18-1.35

1.25

1.16-1.34

18.5-23.9 kg/m2

1.41

1.35-1.47

1.37

1.31-1.43

24-27.9 kg/m2

1.43

1.34-1.52

1.49

1.39-1.60

≥ 28 kg/m2

1.58

1.44-1.74

1.51

1.37-1.66

All

1.38

1.34-1.42

1.37

1.33-1.41

P for interaction*

0.0007

0.0008

  1. HRs, hazard ratios; CI, confidence interval; CVD, cardiovascular disease; BMI, body mass index; BP, blood pressure.
  2. *Adjusted for age, cigarette smoking, alcohol consumption, high school education, physical inactivity, geographic region and urbanization.