Table 1

Characteristics of the study population

Variables

Cases (%)

Controls (%)


Age

< 50

136 (30.4)

361 (47.6)


50-59

121 (27.1)

173 (22.8)


60-69

101 (22.6)

132 (17.4)


> 70

89 (19.9)

92 (12.1)


Education

≤High school

175 (41.6)

261 (34.8)


≤College graduate

157 (37.3)

321 (42.9)


Post graduate

89 (21.14)

167 (22.3)


Race

White

384 (91.2)

689 (92.0)


Black

29 (6.9)

56 (7.5)


Asian/Others

8 (1.9)

4 (0.5)


Religion

Protestant

77 (18.3)

134 (17.9)


Catholics

167 (39.7)

330 (44.1)


Jewish

146 (34.7)

231 (30.8)


Others

25 (5.9)

39 (5.2)


None

4 (1.0)

12 (1.6)


Refused

2 (0.5)

3 (0.4)


BMI*

< 25

200 (48.19)

370 (50.3)


25-29.9

124 (29.9)

206 (28.0)


≥30

91 (21.9)

160 (21.7)


Menstrual status

Pre menopausal

114 (27.1)

307 (41.0)


Peri menopausal

41 (9.7)

70 (9.4)


Postmenopausal

266 (63.2)

372 (49.7)


Age at menopause

≤ 49

110 (42.3)

188 (51.0)


50

45 (17.3)

57 (15.4)


≥51

105 (40.4)

124 (33.6)


Age at menarche

< 12

216 (51.3)

373 (49.9)


≥12

205 (48.7)

375 (50.1)


Ever used an Oral Contraceptive

Yes

193 (45.8)

369 (49.5)


No

228 (54.2)

376 (50.5)


*BMI = body mass index.

Farooq et al. Environmental Health 2010 9:30   doi:10.1186/1476-069X-9-30

Open Data