Table 1.

Standardized incidence rates (SIR) analysis with 95 % confidence intervals (CI) for cancer (overall and the six most prevalent sites) in the cohort compared to the general male population in Oslo and Akershus

	Observed	Expected	SIR (95 % CI)
Cancer, overall	758	798.3	0.95 (0.88–1.02)
Colon	87	81.9	1.06 (0.86–1.31)
Rectum	44	47.4	0.93 (0.69–1.25)
Lung	109	126.0	0.86 (0.72–1.04)
Prostate	213	201.7	1.06 (0.92–1.21)
Bladder and kidney	104	100.7	1.03 (0.85–1.25)
Melanoma	94	83.7	1.12 (0.92–1.37)