Table 2.

Distribution of the Participants According to Reducing Modifiable Risk Factors

Variables	Condition	Case n%	Control n%	P-value	UnivariateOR(CI)
Education	Illiterate	66 (29.3)	29 (12.9)	0	1.0(ref.)
	Primary	96 (42.7)	74 (32.9)	0.001	5.4 (2.8-11.2)
	Secondary	46 (20.4)	81 (36)	0.001	3.1 (1.6-5.9)
	University	17 (7.6)	41 (18.2)	0.35	1.3 (0.7-2.6)
Marital status	Never	9 (4.0)	14 (6.2)		1.0 (ref.)
	Married	216 (96.0)	211 (93.8)	0.28	1.6 (0.7-3.7)
Physical activity	Not Everyday	148 (65.8)	130 (57.8)		1.0 (ref.)
	Everyday	77 (34.2)	95 (42.2)	0.08	1.4 (0.9-2.1)
Regular menstruation	No	88 (39.1)	21 (9.3)	0.03	1.0 (ref.)
	Yes	137 (60.9)	204 (90.7)		0.7 (0.4-0.9)
Parity	Nulliparous	21 (9.3)	40 (17.8)		1.0 (ref.)
	Parous	204 (90.7)	185 (82.2)	0.009	0.4 (0.3-0.8)
No of children	0	21 (9.3)	40 (17.8)		1.0 (ref.)
	1-3	150 (66.7)	144 (64)	0.02	1.9 (0.1-3.7)
	>4	54 (24.0)	41 (18.2)	0.007	2.6 (1.2-4.8)
Age at first pregnancy	<20	112 (53.1)	137 (67.1)		1.0 (ref.)
	20-35	94 (44.5)	66 (32.4)	0.003	1.8 (1.2-2.6)
	>36	5 (2.4)	1 (0.5)	0.09	2.3 (0.7-5.1)
History of breastfeeding	No	34 (15.1)	48 (21.4)		1.0 (ref.)
	Yes	191 (84.9)	176 (78.6)	0.08	0.6 (0.4-1.1)
Total duration of breastfeeding (months)	0	34 (15.1)	48 (21.3)		1.0 (ref.)
	1-6	8 (3.6)	90 (40.0)	0.001	0.3 (0.2-0.5)
	7-12	8 (3.6)	14 (6.2)	0.001	0.03 (0.01-0.1)
	>12	175 (77.8)	73 (32.4)	0.002	0.2 (0.1-0.6)
History of abortion	No	155 (68.9)	176 (78.1)		1.0 (ref.)
	Yes	70 (31.1)	49 (21.9)	0.02	0.7 (0.4-0.9)
Number of Abortion	1-2	218 (28.4)	219 (19.2)		1.0 (ref.)
	2-4	7 (3.1)	6 (2.7)	0.7	1.1 (0.3-3.5)

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