Table 1. Epidemiological studies of all cancers excluding leukaemia in the Canadian cohort of nuclear workers.

No.	Study	Reference	Source of exposure information	Cohort description	No. of deathsa	Mean cumulative whole-body gamma dose, mSv	ERR/Sv (90% CI)
1	AECL workers	(Gribbin et al, 1993)	AECL	8977 M	221	15	0.049 (−0.68, 2.17)
2	AECL workers in the IARC 3-country study	(Cardis et al, 1995)	AECL	11  355 M,W	234	NR	0.13 (<0, 2.1)
3	NDR workers	(Ashmore et al, 1998)	NDR	105 456 M	1136b	10.6	3.0 (1.1, 4.9)b
				101 164 W	496b	1.7	1.5 (−3.3, 6.3)b
4	NDR workers	(Sont et al, 2001)	NDR	95 643 M	2030c	11.5	2.5 (1.1, 4.2)c
				191 333 M, W	3639c	6.64	2.3 (1.1, 3.9)c
5	Canadian nuclear workers	(Zablotska et al, 2004)	NDR	45 468 M, W	474d	13.5	2.80 (−0.038, 7.13)d,e
6	Canadian nuclear workers in the IARC 15-country study	(Cardis et al, 2007)	NDR	15 955 M, W, excluding OH	204	NRf	6.65 (2.56, 13.00)f
7	Canadian nuclear workers in the IARC 15-country study	(Cardis et al, 2007) (Vrijheid et al, 2007)	NDR	38 736 M, W, including OH	400	19.5f	3.60 (1.03, 7.27)f

Abbreviations: AECL=Atomic Energy of Canada Limited; CI=confidence interval; ERR/Sv=excess relative risk per sievert; IARC=International Agency for Research on Cancer; M=men; mSv=millisievert; NDR=National Dose Registry; NR=not reported; OH=Ontario Hydro; W=women.

^aAll cancers excluding leukaemia, unless otherwise noted.

^bAll cancers.

^cIncidence.

^dSolid cancer.

^e95% CI.

^fColon dose.