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Table 6 Multivariable-adjusted ratios for BC across different categories of Smoking

From: Association between healthy lifestyle score and breast cancer

Smoking Categories

Non-smoker

Smoker

P trend

 

OR

OR

95% CI

 

All population

 Crude

1.00

1.41

0.99–2.01

0.055

 Model I

1.00

1.23

0.84–1.82

0.286

 Model II

1.00

1.01

0.67–1.52

0.943

Pre-menopause

 Crude

1.00

0.57

0.12–2.64

0.474

 Model I

1.00

0.47

0.09–2.53

0.411

 Model II

1.00

0.47

0.08–2.71

0.384

Post-menopause

 Crude

1.00

1.40

0.97–2.03

0.073

 Model I

1.00

1.31

0.87–1.98

0.193

 Model II

1.00

1.08

0.70–1.65

0.726

  1. Model I: Adjusted for age, residence, marital status, SES, education, family history of B. C, menopausal status, breast feeding, history of disease, supplement use, HEI score and physical activity. Model II: Further controlled for BMI.