Table 1.

Characteristics of our study population

	Cancer-free Women		Cancer-affected Women
	Pre-Menopausal	Post-Menopausal	Pre-Menopausal	Post-Menopausal
Total Number	88	66	73	70
Mean Age (years)	44.41±7.78	52.39±18.32	45.43±6.02	62.77±7.59
Gail 5-year Risk (%)	1.51±1.28	2.85±1.99	1.03±0.70	1.81±0.96
Gail Lifetime Risk (%)	17.63±8.38	17.62±10.89	12.11±5.18	10.22±4.97
Ethnicity
Caucasian	76 (87%)	51 (77%)	59 (81%)	54 (77%)
African American	7 (8%)	8 (12%)	8 (11%)	13 (20%)
Asian	2 (2%)	2 (3%)	2 (3%)	1 (1%)
Mixed	1 (1%)	1 (2%)	1 (1%)	1 (1%)
Other, N/A	2 (2%)	4 (6%)	3 (4%)	1 (1%)
Estrogen Therapy
Yes	1 (1%)	3 (5%)	1 (1%)	2 (3%)
No	87 (99%)	63 (95%)	72 (99%)	68 (97%)
Contraceptive Use
Yes	2 (2%)	0 (0%)	6 (8%)	0 (0%)
No	86 (98%)	66 (100%)	67 (92%)	70 (100%)
Mean Age at Menarche (years)	12.57±1.71	12.45±2.74	12.59±1.16	12.33±1.49
Mean Age at First Birth (years)	27.32±5.68	25.59±6.47	28.40±5.09	24.27±5.33
Parity
Yes	55 (63%)	56 (85%)	55 (75%)	59 (84%)
No	33 (37%)	10 (15%)	18 (25%)	11 (16%)