Table 1.

Number and percent of women and samples included in analyses by age, ethnicity and personal characteristics

Variable	Participants	Samples Contributed
Total Count	778 (100.0%)	1780 (100.0%)
Age (mean, sd)	52.3 (10.9)	53.5 (10.9)
Age < 45	190 (24.4%)	370 (20.8%)
45 ≤ Age < 55	276 (35.5%)	635 (35.7%)
55 ≤ Age < 65	215 (27.6%)	513 (28.8%)
Age ≥ 65	97 (12.5%)	262 (14.7%)
Non-White Race	78 (10.0%)	159 (8.9%)
Black	10 (1.3%)	18 (1.0%)
Asian	22 (2.8%)	42 (2.4%)
Other	46 (5.9%)	99 (5.6%)
Hispanic	36 (4.6%)	66 (3.7%)
Ashkenazi Jewish	152 (19.5%)	325 (18.3%)
Parous	520 (66.8%)	1186 (66.6%)
Hysterectomy	67 (8.6%)	156 (8.8%)
Tubal Ligation	103 (13.2%)	253 (14.2%)
Current Smoker	26 (3.3%)	58 (3.3%)
Current HRT Use	101 (13.0%)	252 (14.2%)
Current OC Use	39 (5.0%)	91 (5.1%)
Discontinuous OC	21 (2.7%)	48 (2.7%)
Continuous OC	18 (2.3%)	43 (2.4%)
Family History of Br.Ca.	586 (75.3%)	1340 (75.3%)
Family History of Ov.Ca.	335 (43.1%)	792 (44.5%)
Personal HX of BC	134 (17.2%)	254 (14.3%)
Deleterious mutation	138 (17.7%)	261 (14.7%)