Table 8

Non-Hodgkin's lymphoma standardised coefficients (SCs)^10-150 obtained from the conditional logistic model containing terms for duration of employment, time (%) spent above magnetic field threshold and arithmetic mean field exposure

Exposure index^10-151		Lower bound of magnetic field threshold
		0.2 μT				0.8 μT			3.1 μT			12.5 μT		50 μT
		SC	p Value^10-152			SC	p Value		SC	p Value		SC	p Value	SC	p Value
Arithmetic mean (magnetic field)	−0.60	0.55		0.16	0.87		−1.03	0.30	−0.17	0.86	0.50	0.61
Arithmetic mean (electric field)	0.93	0.35		1.11	0.27		0.44	0.66	0.88	0.38	0.96	0.34
Duration of employment	0.32	0.75		0.23	0.82		0.34	0.73	0.32	0.75	0.44	0.66
Time (%) spent above magnetic field threshold	0.12	0.91		−0.74	0.46		0.90	0.37	−0.06	0.95	−0.79	0.43

↵10-150 SCs were obtained by dividing the regression coefficient by its SE and were adjusted by socioeconomic status and exposure to benzene and 2,4,5-T
↵10-151 Exposure indices were modelled simultaneously.
↵10-152 p Value based on the Wald χ² test statistic.