Table 1 Number of addresses by distance from power line and type of magnetic-field estimate: all cases and controls included in the distance study
Magnetic-field estimate ( μ T) | |||||||
|---|---|---|---|---|---|---|---|
Calculated | |||||||
Distance (m) | Assumed <0.1 | <0.1 | 0.1 to <0.2 | 0.2 to <0.4 | ⩾0.4 | None | Total |
⩾600 | 56 450 | 0 | 0 | 0 | 0 | 0 | 56 450 |
500–599 | 390 | 0 | 0 | 0 | 0 | 2 | 392 |
400–499 | 398 | 0 | 0 | 0 | 0 | 1 | 399 |
300–399 | 254 | 45 | 0 | 0 | 0 | 24 | 323 |
200–299 | 211 | 53 | 0 | 0 | 0 | 27 | 291 |
100–199 | 1 | 162 | 3 | 1 | 0 | 38 | 205 |
50–99 | 0 | 37 | 15 | 2 | 0 | 17 | 71 |
<50 | 0 | 2 | 5 | 4 | 13 | 7 | 31 |
Total | 57 704 | 299 | 23 | 7 | 13 | 116 | 58 162 |
