Table 6

Exposure to one or more different types of pesticides

Number of pesticides exposed to

Cases n = 446 (%)

Control n = 758 (%)

Adjusted OR*

95% CI


No exposure to any type of pesticide (never said yes)

143 (32.0)

229 (30.2)

__

__


Exposure to one type of pesticide only

141 (31.5)

285 (37.6)

0.98

0.64-1.52


Exposure to two different types of pesticides

64 (14.3)

96 (12.7)

1.45

0.80-2.61


Exposure to three different types of pesticides

50 (11.2)

78 (10.3)

1.25

0.70-2.25


Exposure to four different types of pesticides

32 (7.2)

52 (6.9)

0.75

0.36-1.57


Exposure to five to seven different types of pesticides

17 (3.8)

18 (2.4)

2.21

0.80-6.09



TREND TEST

p-value+ 0.31


* Adjusted for age at the time of diagnosis, race, religion, level of education, family history of breast cancer, body mass index, age at menopause and age at menarche.

+significant p value defined as < 0.05

CI, confidence interval; OR, odds ratio

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

Open Data