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Table 1 Characteristics of Cape Cod Breast Cancer and Environment Study participants with completed pesticide use self-reports

From: Self-reported chemicals exposure, beliefs about disease causation, and risk of breast cancer in the Cape Cod Breast Cancer and Environment Study: a case-control study

  Cases Controls
  (N = 787) (N = 721)
Characteristic N % N %
Age at diagnosis or index year     
   < 50 128 16 149 21
   50-59 115 15 129 18
   60-69 277 35 226 31
   70-79 221 28 184 26
   ≥ 80 46 6 33 5
Education     
   < High school graduate 36 5 48 7
   High school graduate 241 31 226 31
   1-3 years college/vocational school 253 32 230 32
   College graduate 144 18 122 17
   Graduate work/degree 113 14 95 13
Family history of breast cancer     
   Yes 196 25 135 19
   No 591 75 586 81
Prior history of breast cancer     
   Yes 48 6 46 6
   No 739 94 675 94
Age at first live or stillbirth     
   < 20 171 22 122 17
   20-29 104 13 80 11
   > = 30 458 58 456 63
   Nulliparous 54 7 63 9
Menopause status at diagnosis or index year
   Pre-menopause 144 19 194 28
   Post-menopause 615 81 505 72
  1. Data for 27 cases and 18 controls were missing for the "Family history of breast cancer" characteristic. Data for 28 cases and 22 controls were missing for the "Menopause status at diagnosis or index year" characteristic.