Table 1

Demographic and pathologic characteristics of cancer cases and controls

Cases (n = 312) n (%)Controls (n = 401) n (%)
Age, years
 20–54155 (50)210 (52)
 55–75157 (50)191 (48)
Race
 Caucasian278 (89)349 (87)
 African-American34 (11)52 (13)
Menopause status
 Pre/peri121 (39)165 (41)
 Post191 (61)236 (59)
Ever-smoked 100 cigarettes147 (47)201 (50)
OC use (years)
 Nonusers108 (35)133 (34)
 <266 (21)64 (16)
 2–559 (19)81 (20)
 >576 (25)118 (29)
 Unknown35
Pregnancies resulting in live birth
 060 (19)54 (13)
 158 (19)66 (16)
 2106 (34)147 (37)
 352 (17)84 (21)
 4+36 (12)50 (12)
Had tubal ligation75 (24)132 (33)
BMI
 15–2370 (23)99 (26)
 23–2669 (22)95 (24)
 26–3065 (21)94 (24)
 >30105 (34)98 (25)
Family history of breast or ovarian cancer in a 1° relative
 Yes52 (17)66 (16)
 No260 (83)355 (84)
Tumor behavior
 Borderline75 (24)
 Invasive237 (76)
Tumor stagea
 I/II132 (43)
 III/IV178 (57)
Tumor histology
 Serous185 (59)
 Endometrioid38 (12)
 Mucinous40 (13)
 Adenocarcinoma22 (7)
 Clear cell15 (5)
 Other12 (4)
  • a Two missing tumor stage. Three cases and 15 controls missing body mass index.