Table 1.

Clinicopathological characteristics of the patients and controls

Characteristics	Cases	%	Controls	%	χ2 test	P value
Age
< 50	156	47.9	164	50.4
≥ 50	169	52.1	161	49.6	0.39	0.53
Menopause
No	255	78.6	199	61.2
Yes	70	21.4	126	38.8	22.91	< 0.05
Age at menarche
< 15	232	71.4	218	67.2
≥ 15	93	28.6	107	32.8	1.42	0.23
Age at first live birth, years
No	33	10.3	18	5.6
< 30	106	32.5	137	42.1
≥ 30	186	57.2	170	52.3	9.09	0.01
Tobacco smoking
Never	299	92.1	314	96.7
Ever	26	7.9	11	3.3	6.45	0.01
Alcohol drinking
Never	236	72.6	243	74.8
Ever	89	27.4	82	25.2	0.39	0.53
Family history of cancer
No	296	91.2	314	96.5
Yes	29	8.8	11	3.5	8.63	0.003