Supplementary data Table 2 (a) Distance of address at birth from nearest 400/275KV line for cases diagnosed 1962 to 2008 (and controls) in EWS. Includes all cases diagnosed 1962 to 2008 in EWS and their controls with grid reference of birth address or reliable postcode based distance >=1500m taken as >=1000m

Leukaemia / CNS/brain tumours / Other solid tumours
Distance to line (m) / Cases / Controls / RR / Cases / Controls / RR / Cases / Controls / RR
0-49 / 6 / 13 / 0.53 / 0.20-1.39 / 13 / 11 / 1.39 / 0.58-3.30 / 13 / 18 / 0.83 / 0.35-1.95
50-99 / 24 / 33 / 1.12 / 0.63-1.98 / 10 / 16 / 0.88 / 0.37-2.08 / 30 / 40 / 0.96 / 0.57-1.63
100-199 / 75 / 73 / 1.07 / 0.74-1.53 / 56 / 69 / 0.91 / 0.61-1.35 / 76 / 111 / 0.81 / 0.58-1.12
200-299 / 85 / 110 / 1.11 / 0.81-1.52 / 82 / 77 / 1.34 / 0.95-1.88 / 104 / 154 / 0.82 / 0.63-1.08
300-399 / 123 / 154 / 1.09 / 0.84-1.43 / 67 / 88 / 0.99 / 0.69-1.42 / 142 / 167 / 1.01 / 0.79-1.29
400-499 / 147 / 161 / 1.18 / 0.92-1.51 / 79 / 104 / 0.92 / 0.66-1.29 / 186 / 205 / 1.13 / 0.91-1.41
500-599 / 128 / 159 / 0.95 / 0.73-1.22 / 98 / 106 / 1.35 / 0.99-1.84 / 183 / 215 / 1.18 / 0.95-1.46
600-699 / 144 / 171 / 0.98 / 0.77-1.25 / 89 / 148 / 0.75 / 0.56-1.01 / 182 / 271 / 0.91 / 0.74-1.12
700-799 / 149 / 192 / 1.02 / 0.81-1.28 / 114 / 136 / 1.17 / 0.89-1.54 / 222 / 294 / 0.99 / 0.82-1.20
800-899 / 161 / 234 / 0.86 / 0.69-1.08 / 127 / 163 / 1.04 / 0.81-1.34 / 230 / 253 / 1.17 / 0.96-1.42
900-999 / 191 / 224 / 1.11 / 0.90-1.37 / 113 / 152 / 1.01 / 0.78-1.31 / 221 / 300 / 0.90 / 0.75-1.09
>=1000 (ref.) / 15397 / 18905 / 1.00 / 11120 / 14066 / 1.00 / 20396 / 25321 / 1.00
Total / 16630 / 20429 / 11968 / 15136 / 21985 / 27349
0-199 / 105 / 119 / 1.00 / 0.75-1.34 / 79 / 96 / 0.96 / 0.69-1.34 / 119 / 169 / 0.85 / 0.65-1.10
200-599 / 483 / 584 / 1.08 / 0.95-1.24 / 326 / 375 / 1.15 / 0.97-1.35 / 615 / 741 / 1.05 / 0.94-1.18
600-999 / 645 / 821 / 0.99 / 0.88-1.11 / 443 / 599 / 0.98 / 0.86-1.12 / 855 / 1118 / 0.99 / 0.90-1.09
>=1000 (ref.) / 15397 / 18905 / 1.00 / 11120 / 14066 / 1.00 / 20396 / 25321 / 1.00
total / 16630 / 20429 / 11968 / 15136 / 21985 / 27349
Trend Analyses
Leukaemia / CNS/brain tumours / Other solid tumours
Ranked distances / 1.29, P=0.26 / 1.91, P=0.17 / 0.07, P=0.79
Reciprocal of distance (1/d) / 0.00, P=0.995 / 1.62, P=0.20 / 0.24, P=0.63
Reciprocal of square of distance (1/d2) / 0.78, P=0.38 / 0.97, P=0.32 / 0.10, P=0.75
Distance d is taken as the midpoint of limits of 12 bandwith groups as specified above