Table 3.

Risk of cancer among Sami in comparison to the location-matched control populations

Country	Population	Period	Method	Control	Sample size	Person years*	All cancers†	Breast†	Prostate†	Bladder†	Skin†	Basal cell carcinoma†	Stomach†
Sweden (59)	reindeer herding Sami	1961-1984	cancer register	non-Sami from Northern Sweden	2034	44 859	0.56-0.83	0.15-1.06	0.13-0.68	0.24-1.75	0.12-1.76		1.05-2.11
Sweden (60)	reindeer herding Sami	1961-1997	cancer register and death certificates	non-Sami from the same area	2033	63 752	0.57-0.89	0.35-1.13	0.25-0.65	0.23-1.20	0.18-1.30		1.05-2.11
Finland (61)	Sami from Northern Finland	1979-1998	registered cases/deaths	non-Sami from the same area	2100	37 415	0.53-0.76	0.14-0.73	0.08-0.58	0.03-0.99	0.00-0.63	0.03-0.30	0.61-2.0

*The total number of at risk years for the study population. Calculated from the total number of years each person was included in the study.

†95% confidence intervals of standardized incidence ratios in Sami population for disease and country indicated.