Table 3

Adjusted effect of family history on odds of breast cancer among women with no founder mutation and no family or personal history of ovarian cancer

Results of multiple logistic regression.

Risk factorOdds ratioP95% Confidence Interval
Number of affected first-degree relatives1.50.00091.1–2.0
Increase of 1 year in age at censoring1.010.0381.001–1.020
Ever used hormone replacement therapy0.70.0290.5–1.0
Menarche <age 131.30.0680.9–1.7
Menstruation continued after age 451.60.0101.1–2.2