Table 1.

Inclusion criteria for families.

Inclusion Criteria	Families: n (%)
≥3 family members with breast and/or ovarian cancer	139 (30.4%)
2 family members with breast and/or ovarian cancer	155 (33.8%)
Single affected individual with breast cancer, diagnosed at ≤35 years of age	81 (17.7%)
Single affected individual with breast cancer, diagnosed at 36–50 years of age	83 (18.1%)
Total	458 (100%)