Table 1

Selected characteristics of women participating in The NJ Ovarian Cancer Study
Cases (n= 205) n (%) Controls (n= 391) n (%) OR (95 % CI)*
Education
  High school or less 61 (29.8) 133 (34.0) 1.00 (Ref)
  College 93 (45.4) 159 (40.7) 0.90 (0.59-1.38)
  Graduate school 51 (24.9) 99 (25.3) 0.76 (0.47-1.24)
Race/ethnicity
  White 179 (87.3) 344 (88.4) 1.00 (Ref)
  Black 9 (4.4) 17 (4.4) 1.02 (0.42-2.44)
  Other 8 (3.9) 17 (4.4) 0.82 (0.33-1.99)
  Hispanic (any race) 9 (4.4) 11 (2.8) 1.13 (0.44-2.92)
BMI
  Underweight (<18.5) 1 (0.5) 1 (0.3) 1.02 (0.06-17.31)
  Normal (18.5-25) 90 (43.9) 180 (46.4) 1.00 (Ref)
  Overweight (25–29.9) 54 (26.3) 122 (31.4) 1.07 (0.69-1.65)
  Obese (30–34.9) 36 (17.6) 59 (15.2) 1.39 (0.83-2.32)
  Very obese (
    >
35)
24 (11.7) 26 (6.7) 1.54 (0.81-2.89)
Parity
  0 – 1 97 (47.3) 92 (23.5) 1.00 (Ref)
  2 60 (29.3) 137 (35.0) 0.45 (0.29-0.69)
  
    >
3
48 (23.4) 162 (41.4) 0.42 (0.26-0.66)
Smoking status
  Never 108 (52.7) 204 (52.2) 1.00 (Ref)
  Past 78 (38.1) 149 (38.1) 1.12 (0.76-1.64)
  Current 19 (9.3) 38 (9.7) 0.87 (0.46-1.62)
Oral contraceptive use
  Never 85 (41.5) 193 (49.4) 1.00 (Ref)
  Ever 120 (58.5) 198 (50.6) 0.88 (0.61-1.28)
Use of HRT
  Never 159 (77.6) 285 (72.9) 1.00 (Ref)
  Unopposed E only 22 (10.7) 34 (8.7) 1.56 (0.86-2.84)
  Any combined HRT 24 (11.7) 72 (18.4) 0.63 (0.38-1.06)
Age at menarche
  >13 41 (20.1) 99 (25.4) 0.81 (0.51-1.27)
  12-13 117 (57.4) 200 (51.3) 1.00 (Ref)
  
    <
11
46 (22.6) 91 (23.3) 0.75 (0.48-1.17)
Menopause status
  Premenopausal 71 (34.6) 49 (12.5) 1.51 (0.85-2.69)
  Postmenopausal
  Age at menopause
  <40 5 (2.4) 14 (3.6) 0.77 (0.26-2.31)
  41-54 86 (42.0) 239 (61.3) 1.00 (Ref)
  
    >
55
12 (5.9) 37 (9.5) 0.99 (0.48-2.01)
  Unknown 31 (15.1) 52 (13.3) 1.52 (0.91-2.56)
Tubal Ligation
  No 175 (85.4) 315 (80.6) 1.00 (Ref)
  Yes 30 (14.6) 76 (19.4) 0.59 (0.36-0.94)
First relative with ovarian cancer
  No 195 (95.1) 377 (96.4) 1.00 (Ref)
  Yes 10 (4.9) 14 (3.6) 1.32 (0.55-3.17)

*Adjusted for age.

Gifkins et al.

Gifkins et al. BMC Cancer 2012 12:211   doi:10.1186/1471-2407-12-211

Open Data