Table 3.

Reproductive factors in the groups of control and breast cancer patients

Characteristics	Control patientsn = 148(%)	Breast cancer patients n = 124(%)	P-value
Age at first full term pregnancy
No	39(26,4)	67(54)	<0,001
<30years	100(67,6)	40(32, 3)
≥30 years	9 (6,1)	17(13,7)
Number of children (mean ± SD years)	1,26±0,84	0,82±0,13	<0,001
Number of birth
Nulliparous	38(25,7)	66(53,2)	<0,001
1 to 2	33(22,3)	14(11,3)
>3	77(52)	44(35,3)
Duration of breastfeeding
No	37(25)	67(54)	<0,001
<6months	34(23)	14(11,3)
≥6 months	77(52)	43(34 ,7)

Notes: Values are expressed as mean ± standard deviation or in count and percentage