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Table 1 Characteristics of the study population

From: Self-reported exposure to pesticides in residential settings and risk of breast cancer: a case-control study

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)

  1. *BMI = body mass index.