Table 4.

Risk associated with exposure to TSP concentrations at first birth address: Western New York exposures and breast cancer study (WEB study)

TSP (μg/m3)Premenopausal
Postmenopausal
Cases (n = 181)Controls (n = 371)Crude OR (95% CI)Adjusted OR(95% CI)*Cases (n = 435)Controls (n = 782)Crude OR (95% CI)Adjusted OR (95% CI)*
<841472941.001.00541021.001.00
84-11419301.27 (0.69-2.33)1.06 (0.55-2.02)891501.12 (0.74-1.71)1.30 (0.83-2.03)
115-1405190.53 (0.19-1.44)0.41 (0.14-1.67)1422601.03 (0.70-1.52)1.28 (0.83-1.97)
>14010280.71 (0.34-1.51)0.52 (0.22-1.20)1502701.05 (0.71-1.24)1.33 (0.87-2.06)
P for trend0.040.61
  • * Adjusted for age, education, and parity.