Table 2

Comparison of Washington Ashkenazi Study volunteers with breast cancer and no founder mutation to noncase volunteers with no founder mutation

Excludes all women with a family history of ovarian cancer.

CharacteristicNoncases (n = 2962) N (%)Breast cancer cases (n = 231) N (%)
Age (yrs)
 20–29208 (7)0 (0)
 30–39427 (14)4 (3)
 40–491,006 (34)49 (20)
 50–59636 (22)65 (28)
 60–69363 (12)47 (20)
 70–79249 (9)53 (23)
 80+67 (2)13 (6)
 Not reported6 (0.2)0 (0)
Mean age50 (21–93, SD = 14)61 (37–88, SD = 12)
Mean age at diagnosis53 (32–84, SD = 11)
Mean survival8 (0–38, SD = 8)
Married2,181 (74)165 (71)
Education
 High school or less159 (5)17 (7)
 Some post-HS366 (12)43 (19)
 College degree855 (29)68 (29)
 Postgraduate degree1579 (53)103 (45)
 Not reported3 (0.1)0 (0)