Risk of cutaneous malignant melanoma by groups/subgroups of adults with magnetic field exposure living close to high voltage power line in Norway, 1980–96
| <0.05 μT* | 0.05–0.20 μT | ≥0.20 μT | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Group/subgroup | Gender | Cases (n) | OR | Cases (n) | OR | 95% CI | Cases (n) | OR | 95% CI | p value† |
| *μT, microtesla. | ||||||||||
| †Test for trend by assigning the scores, 1, 2, and 3 to the three levels of exposure. | ||||||||||
| ‡TWA, time weighted average from birth or 1 January 1967 until date of diagnosis for case. | ||||||||||
| §TWA for the latest five years before diagnosis. | ||||||||||
| TWA‡ | Women | 393 | 1.00 | 22 | 2.01 | 1.09 to 3.69 | 24 | 2.68 | 1.43 to 5.04 | <0.001 |
| Men | 326 | 1.00 | 22 | 1.70 | 0.96 to 3.01 | 20 | 1.37 | 0.77 to 2.44 | 0.103 | |
| Both | 719 | 1.00 | 44 | 1.85 | 1.22 to 2.81 | 44 | 1.87 | 1.23 to 2.83 | <0.001 | |
| Latest five years§ | Women | 379 | 1.00 | 28 | 2.51 | 1.42 to 4.43 | 32 | 2.95 | 1.67 to 5.22 | <0.001 |
| Men | 308 | 1.00 | 28 | 3.44 | 1.84 to 6.42 | 32 | 1.66 | 1.03 to 2.68 | 0.002 | |
| Both | 687 | 1.00 | 56 | 2.91 | 1.92 to 4.43 | 64 | 2.10 | 1.46 to 3.02 | <0.001 | |