Table 1.

Inclusion criteria for the families included in this study.

Inclusion Criteria	Families n
Three or more family members with breast and/or ovarian cancer	121 (27.5%)
Two family members with breast and/or ovarian cancer	148 (33.6%)
Single affected individual with breast cancer ≤35 years of age	87 (19.8%)
Single affected individual with breast cancer between 36 and 50 years of age	84 (19.1%)
Total	440 (100%)