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Table 4 Exposure to pesticides based on where it was applied

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

Types of pesticides used for the following pests Location Number of cases Number of control Adjusted OR 95% CI
Never exposed+ __ 143 229 __ __
Ants, carpenter ant, cockroaches Inside or both inside and outside 200 343 1.13 0.75-1.72
  Outside only 28 42 1.22 0.60-2.50
Bees or wasps Inside or both inside and outside 15 21 2.42 0.76-7.75
  Outside only 34 61 0.84 0.40-1.74
Flies or mosquitoes in your home or yard Inside or both inside and outside 17 17 2.21 0.77-6.30
  Outside only 13 23 1.15 0.29-4.60
Fleas or ticks in your home Inside or both inside and outside 40 70 1.55 0.71-3.40
  Outside only 2 7 1.57 0.21-11.94
Weeds Inside or both inside and outside 3 2 4.77 0.37-62.10
  Outside only 113 177 1.21 0.76-1.93
Lawn insects Inside or both inside and outside 3 1 __ __
  Outside only 97 138 1.3 0.79-2.14
Insects or diseases of outdoor plants Inside or both inside and outside 5 3 __ __
  Outside only 69 112 1.05 0.59-1.85
  1. * 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.
  2. + The never exposed category included persons who reported not being exposed to the pesticides.
  3. CI, confidence interval; OR, odds ratio