Table 2.

Multivariate logistic regression predicting breast cancer

Logistic regression					Number of obs	57
					LR chi2(9)	25.9
					Prob > χ2	0.0021
Log likelihood			− 25.488985		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