Relative risk (RR) of all cancer, cancer of the nervous system, and leukaemia in relation to occupational ELF-MF exposure
| Men Exposure, μT | Women Exposure, μT | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Low <0.164 | Medium 0.164–0.250 | High 0.250–0.530 | Very high >0.530 | Low <0.164 | Medium 0.164–0.250 | High 0.250–0.530 | Very high >0.530 | |||||||
| Site, ICD7 | n | n | RR* (95% CI) | n | RR* (95% CI) | n | RR* (95% CI) | n | n | RR* (95% CI) | n | RR* (95% CI) | n | RR* (95% CI) |
| *Adjusted for age and socioeconomic status; †histopathology code. | ||||||||||||||
| All cancer, 140–209 | 194 7 | 4542 | 0.9 (0.9 to 1.0) | 1194 | 1.0 (0.9 to 1.1) | 912 | 0.9 (0.9 to 1.0) | 112 7 | 1490 | 1.0 (1.0 to 1.1) | 670 | 1.1 (1.0 to 1.3) | 115 | 1.1 (0.9 to 1.3) |
| Nervous system, 193 | 105 | 256 | 0.9 (0.7 to 1.1) | 90 | 1.2 (0.9 to 1.6) | 47 | 0.8 (0.5 to 1.1) | 51 | 76 | 1.2 (0.8 to 1.7) | 40 | 1.6 (1.0 to 2.4) | 9 | 1.9 (0.9 to 3.9) |
| Astrocytoma I–IV, 193 (pad† 475–476) | 61 | 134 | 0.8 (0.6 to 1.1) | 50 | 1.2 (0.8 to 1.7) | 31 | 0.9 (0.6 to 1.3) | 18 | 24 | 1.1 (0.6 to 2.0) | 19 | 2.3 (1.1 to 4.4) | 5 | 3.0 (1.1 to 8.6) |
| Astrocytoma I–II, 193 (pad† 475) | 15 | 37 | 0.9 (0.5 to 1.6) | 15 | 1.4 (0.7 to 2.9) | 14 | 1.6 (0.8 to 3.4) | 9 | 7 | 0.7 (0.2 to 1.9) | 10 | 2.7 (1.0 to 7.1) | 1 | 1.3 (0.2 to 10.9) |
| Astrocytoma III–IV, 193 (pad† 476) | 46 | 97 | 0.8 (0.6 to 1.1) | 35 | 1.1 (0.7 to 1.7) | 17 | 0.6 (0.4 to 1.1) | 9 | 17 | 1.4 (0.6 to 3.3) | 9 | 1.9 (0.7 to 4.9) | 4 | 4.6 (1.3 to 15.9) |
| All leukaemia, 204–205 | 54 | 45 | 0.8 (0.6 to 1.1) | 26 | 0.8 (0.5 to 1.3) | 26 | 0.9 (0.6 to 1.5) | 11 | 16 | 1.1 (0.5 to 2.4) | 12 | 2.0 (0.8 to 4.6) | 2 | 1.8 (0.4 to 8.5) |
| Lymphocytic leukaemia, 204 | 21 | 51 | 1.0 (0.6 to 1.6) | 8 | 0.7 (0.3 to 1.5) | 11 | 1.0 (0.5 to 2.1) | 3 | 5 | 1.5 (0.3 to 6.5) | 3 | 2.3 (0.4 to 12.3) | 0 | |
| Acute lymphocytic leukaemia, 204.0 | 5 | 12 | 0.9 (0.3 to 2.4) | 3 | 0.8 (0.2 to 3.5) | 2 | 0.7 (0.1 to 3.6) | 0 | 2 | 0 | 0 | |||
| Chronic lymphocytic leukaemia, 204.1 | 16 | 39 | 1.0 (0.6 to 1.8) | 5 | 0.6 (0.2 to 1.6) | 9 | 1.1 (0.5 to 2.6) | 3 | 3 | 1.0 (0.2 to 5.3) | 3 | 2.8 (0.5 to 15.0) | 0 | |
| Myeloid leukaemia, 205 | 33 | 64 | 0.7 (0.5 to 1.1) | 18 | 0.9 (0.5 to 1.6) | 15 | 0.9 (0.5 to 1.7) | 8 | 11 | 0.9 (0.4 to 2.4) | 9 | 1.8 (0.7 to 5.0) | 2 | 2.2 (0.4 to 10.8) |
| Acute myeloid leukaemia, 205.0 | 27 | 32 | 0.5 (0.3 to 0.8) | 12 | 0.7 (0.4 to 1.4) | 11 | 0.8 (0.4 to 1.7) | 7 | 5 | 0.5 (0.1 to 1.6) | 6 | 1.4 (0.4 to 4.4) | 1 | 1.3 (0.1 to 10.8) |
| Chronic myeloid leukaemia, 205.1 | 5 | 27 | 2.0 (0.8 to 5.2) | 6 | 2.2 (0.7 to 6.9) | 4 | 1.5 (0.4 to 5.9) | 1 | 6 | 4.1 (0.5 to 35.7) | 3 | 5.0 (0.5 to 51.1) | 1 | 8.6 (0.5 to 148.6) |