Table 1.

Characteristics of breast cancer patients and controls.

	Patients N (%)	Controls N (%)	P
Smoking
Yes	14 (22.5)	22 (35.4)	.1
No	48 (77.5)	40 (64.6)
Menopause status
Post	32 (51.6)	23 (37)	.1
Pre	30 (48.4)	39 (63)
HRT
Yes	20 (32.2)	28 (45.1)	.2
No	42 (67.8)	34 (54.9)
Full-term pregnancy
Yes	44 (70.9)	42 (68.4)	.8
No	18 (29.1)	20 (32.2)

HRT: hormone replacement therapy.