Work site | Magnetic field exposure (μT) | Electric field exposure (V/m) | Worked in work site ⩾5 y | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Arithmetic mean | Geometric mean | Arithmetic mean | Geometric mean | Cases | Control | OR (95% CI) | |||||
Administration, nuclear generating station, inspection | 0.19 | 0.07 | 7.14 | 1.57 | 10 | 40 | 1.0 — | ||||
Transformer station | 1.10 | 0.31 | 18.36 | 1.60 | 4 | 15 | 1.69 (0.35 to 8.22) | ||||
Service centre | 0.26 | 0.10 | 16.52 | 2.22 | 2 | 6 | 1.41 (0.19 to 10.36) | ||||
Area office | 0.20 | 0.08 | 9.85 | 1.58 | 5 | 12 | 3.02 (0.60 to 15.27) | ||||
Construction | 0.28 | 0.06 | 10.42 | 1.54 | 9 | 50 | 0.91 (0.29 to 2.82) | ||||
Hydroelectric generating station | 3.06 | 0.35 | 8.45 | 1.52 | 8 | 25 | 1.85 (0.55 to 6.22) | ||||
Thermal generating station | 0.38 | 0.10 | 9.47 | 1.75 | 5 | 15 | 2.02 (0.42 to 9.69) | ||||
Regional office | 0.21 | 0.08 | 8.10 | 1.44 | 2 | 4 | 4.06 (0.53 to 31.06) | ||||
District office | 1.27 | 0.21 | 15.36 | 2.12 | 1 | 6 | 0.79 (0.07 to 8.57) | ||||
Other | 0.43 | 0.17 | 9.55 | 1.46 | 0 | 2 | NE | ||||
Total | 46 | 175 |
↵5-150 Subjects who worked ⩾5 y in different work sites were included in each work site.