Table 7

Risk of non-Hodgkin's lymphoma by time (%) spent above selected bin values of electric field exposures

Time (%) spent above various electric field bin levels9-150Exposure time window
Career exposure10 y Before diagnosis20 y Before diagnosis
CasesControlsOR (95% CI)CasesControlsOR (95% CI)CasesControlsOR (95% CI)
Bin 6 (10 V/m)9-151:
 0–<11.1911711.0 —12521.011581.0
 11.19–<15.2716721.63 (0.56 to 4.72)6350.89 (0.23 to 3.47)4230.94 (0.19 to 4.67)
 >15.2724603.05 (1.07 to 8.80)16372.31 (0.71 to 7.49)19392.85 (0.88 to 9.29)
Bin 8 (40 V/m):
 0–<2.8013741.0 —10461.010451.0
 2.80–<4.7812770.92 (0.34 to 2.46)10491.18 (0.35 to 3.98)8420.77 (0.21 to 2.83)
 >4.7826523.57 (1.30 to 9.80)14292.99 (0.72 to 12.43)16331.88 (0.59 to 6.01)
Bin 10 (156 V/m):
 0–<0.4313721.0 —9521.011431.0
 0.43–<1.0414701.08 (0.42 to 2.77)11322.76 (0.87 to 9.65)8311.10 (0.33 to 3.70)
 >1.0424612.27 (0.85 to 6.04)14402.44 (0.72 to 8.27)15461.09 (0.33 to 3.54)
Bin 12 (625 V/m):
 0–<0.1115711.0 —8491.014381.0
 0.11–<0.2717721.20 (0.53 to 2.66)15382.70 (0.85 to 8.56)9380.63 (0.24 to 2.07)
 >0.2719601.33 (0.53 to 3.33)11371.53 (0.46 to 5.17)11440.46 (0.16 to 1.29)
Bin 14 (2500 V/m):
 0–<0.0116691.0 —11521.013391.0
 0.01–<0.0515760.77 (0.34 to 1.74)11391.48 (0.48 to 4.56)10360.90 (0.30 to 2.72)
 >0.0520581.27 (0.49 to 3.28)12331.73 (0.50 to 5.93)11450.43 (0.13 to 1.39)
  • 9-150 Categorised into tertiles according to the distribution of exposure of all controls.

  • 9-151 ( ) Represent lower edge of magnetic field for specified bins.

  • 9-152 Odds ratios were adjusted for duration of employment, socioeconomic status, and exposure to 2,4,5-T and benzene.