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Table 3 Adjusted hazard ratios (HRs) (with 95% confidence intervals) for the relationship between BMI with CHD in non- and current smokers in data that had been left-censored by three years

From: Impact of cigarette smoking on the relationship between body mass index and coronary heart disease: a pooled analysis of 3264 stroke and 2706 CHD events in 378579 individuals in the Asia Pacific region

Smoking Status

BMI category (kg/m2)

Mean BMI (kg/m2)

No. of events

Age, sex, study adjusted HR for combined fatal and non-fatal CHD (95% CI)*

Age, sex, study adjusted HR (95% CI) for fatal CHD**

Non

15.0 – 18.4

17.6

46

1.31 (0.97 – 1.77)

1.34 (0.96 – 1.86)

 

18.5 – 21.9

20.5

201

1.00 (0.87 – 1.15)

1.00 (0.85 – 1.18)

 

22.0 – 24.9

23.4

457

1.34 (1.22 – 1.47)

1.40 (1.26 – 1.56)

 

25.0 – 29.9

26.8

699

1.47 (1.36 – 1.59)

1.49 (1.36 – 1.63)

 

30.0 – 50.0

33.1

245

1.83 (1.61 – 2.09)

1.90 (1.63 – 2.20)

Current

15.0 – 18.4

17.6

29

0.73 (0.50 – 1.06)

0.84 (0.56 – 1.24)

 

18.5 – 21.9

20.5

237

1.00 (0.88 – 1.14)

1.00 (0.85 – 1.17)

 

22.0 – 24.9

23.4

326

1.22 (1.10 – 1.36)

1.15 (1.01 – 1.32)

 

25.0 – 29.9

26.6

362

1.64 (1.47 – 1.82)

1.49 (1.30 – 1.70)

 

30.0 – 50.0

32.6

104

2.05 (1.68 – 2.51)

2.22 (1.76 – 2.79)

  1. *P-value for interaction between never and current smokers = 0.019
  2. ** P-value for interaction between never and current smokers = 0.08