Table 2 Multivariate logistic regression predicting breast cancer

Number of obs

57

LR chi2(9)

25.9

Prob > χ²

0.0021

Pseudo R²

0.3369

Breast cancer status

Odds ratio

Std. err.

z

p > z

[95% conf.

Interval]

Age

1.11

0.07

1.79

0.07

0.99

1.25

Age of first live birth

1.04

0.08

0.50

0.62

0.89

1.22

Age of menarche

1.33

0.38

0.99

0.32

0.76

2.34

Current alcohol intake

0.21

0.16

− 2.06

0.04

0.05

0.93

BMI

0.95

0.07

− 0.78

0.44

0.82

1.09

Ever breast fed

0.61

0.50

− 0.60

0.55

0.12

3.06

Family history

2.37

1.91

1.07

0.28

0.49

11.51

Post- vs pre-menopausal

0.01

0.02

− 2.60

0.01

0.00

0.32

Smoking (py)

0.89

0.08

− 1.29

0.20

0.74

1.06