Mean and median DDE and PCB concentrations according to cohort participation
| 1974 | Pa | 1989 | Pa | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Median | Mean (SD) | Median | |||||||||||||
| Cases | Controls | Cases | Controls | Cases | Controls | Cases | Controls | |||||||||
| Total DDE | ||||||||||||||||
| Unadjusted (ng/ml) | 11.5 (7.1) | 13.6 (10.6) | 9.8 | 11.1 | 0.06 | 7.9 (6.4) | 9.7 (3.6) | 6.4 | 7.0 | 0.41 | ||||||
| Lipid-adjusted ng/gm | 1698.9 (929.3) | 1920.3 (1409.0) | 1463.9 | 1668.4 | 0.20 | 1311.9 (1036.5) | 1586.3 (1557.4) | 1119.2 | 1181.7 | 0.56 | ||||||
| Total PCBs | ||||||||||||||||
| Unadjusted (ng/ml) | 4.9 (3.8) | 4.7 (2.3) | 3.9 | 4.2 | 0.21 | 2.1 (2.0) | 2.2 (1.9) | 1.6 | 1.7 | 0.37 | ||||||
| Lipid-adjusted (ng/gm) | 735.3 (644.8) | 663.6 (322.5) | 595.4 | 607.3 | 0.48 | 327.7 (306.3) | 332.9 (279.6) | 252.0 | 270.3 | 0.58 | ||||||
a Wilcoxon signed rank test.