Breast cancer risk as estimated by crude and adjusted ORs for total DDT and HCB at 0.5 ppb threshold level (LOQ)
| Above LOQ (0.5 ppb) | Cases (%) | Controls (%) | OR (95% CI) | Adjusted OR (95% CI) | Adjusted OR‡ (95% CI) |
|---|---|---|---|---|---|
| OR, odds ratio; CI, confidence interval; LOQ, limit of quantification. | |||||
| *Adjusted OR for total DDT when taking HCB presence into account; †adjusted OR for HCB when taking total DDT presence into account. | |||||
| ‡OR adjusted for breast feeding history. | |||||
| Total DDT | 95.57 | 72.30 | 5.36 (1.89 to 15.19) | 5.66* (1.83 to 17.51) | 5.64 (1.81 to 17.65) |
| HCB | 31.65 | 4.00 | 8.68 (2.83 to 26.62) | 9.06† (2.81 to 29.21) | 9.14 (2.84 to 29.41) |