Table 1.

Distribution of the Participants in Terms of Non-Modifiable Factors

Variables	Condition	Case n%	Control n%	P-value	Univariate OR(CI)
Age(yr)	20 - 30	1 (0.4)	8 (3.6)		1 (ref.)
	31 - 40	39 (17.3)	49 (21.8)	0.06	0.1 (0.009-1.1)
	41 - 50	87 (38.7)	82 (36.4)	0.5	0.6 (0.16-2.5)
	51 - 60	69 (30.7)	68 (30.2)	0.81	0.8 (0.2-3.2)
	61 - 70	24 (10.7)	14 (6.2)	0.76	0.8 (0.2-3.1)
	71 - 80	5 (2.2)	4 (1.8)	0.67	1.3 (0.3-5.2)
Family history of breast cancer	No	178 (79.1)	191 (84.9)		1 (ref.)
	Yes	47 (20.9)	34 (15.1)	0.11	0.6 (0.4-1.09)
Family history of other cancers	No	179 (79.6)	210 (93.3)		1 (ref.)
	Yes	46 (20.4)	15 (6.7)	0.001	3.5 (1.96-6.6)
Menarche(yr)	9 - 11	79 (35.1)	61 (27.2)		1 (ref.)
	12 - 14	67 (29.8)	87 (38.7)	0.28	0.5 (0.3-0.9)
	15 - 17	77 (34.2)	73 (32.6)	0.62	0.3 (0.5-1.2)
	18 - 20	2 (0.9)	4 (1.8)	0.39	0.2 (0.06-2.1)
Menopausal status	Premenopausal	102 (44.3)	110 (48.9)		1 (ref.)
	Postmenopausal	123 (55.7)	115 (51.1)	0.6	1.0 (0.8-1.2)
Age of Menopause	30 - 40	11	13		1.0 (ref.)
	40 - 50	87	70	0.87	1.1 (0.4-2.8)
	51 - 60	25	32	0.13	1.6 (0.8-2.9)

OR(CI), odds ratio(confidence interval 95%); ref, reference; P-values<0.05 significance