Table 4.

Risk for total cancer between 1981 and 2000 among farmers living < 20.0 km from the River Kymijoki in 1980.

	Distance to the River Kymijoki (km)
	< 1.0			1.0–4.9			5.0–19.9		All farmers < 20.0
Variable	Obs	RR	95% CI	Obs	RR	95% CI	Obs	RR	Obs	SIRa	95% CI
All sites	209	1.13	0.97–1.32	230	0.99	0.85–1.15	704	1.00	1,143	0.96	0.91–1.02
Sex
Men	112	1.10	0.89–1.36	123	0.95	0.77–1.16	404	1.00	639	0.92	0.85–1.00
Women	97	1.16	0.92–1.46	107	1.04	0.83–1.29	300	1.00	504	1.01	0.93–1.11
Age (years)
< 45	27	1.54	0.98–2.42	24	1.09	0.69–1.74	70	1.00	121	0.97	0.80–1.15
45–59	68	1.08	0.82–1.42	78	0.99	0.77–1.28	246	1.00	392	0.97	0.88–1.07
≥60	114	1.08	0.87–1.33	128	0.97	0.79–1.18	388	1.00	630	0.95	0.88–1.03
Time period
1981–1990	100	1.15	0.92–1.45	115	1.08	0.87–1.34	322	1.00	537	0.96	0.88–1.05
1991–2000	109	1.11	0.89–1.38	115	0.91	0.74–1.13	382	1.00	606	0.96	0.88–1.04
Distance to the Gulf of Finland (km)
< 20.0	112	1.11	0.89–1.38	113	1.16	0.93–1.44	279	1.00	504	1.01	0.92–1.10
20.0–39.9	67	1.11	0.85–1.46	81	0.90	0.70–1.16	244	1.00	392	0.99	0.90–1.10
40.0–59.9	30	1.33	0.91–1.96	36	0.80	0.56–1.14	181	1.00	247	0.83	0.73–0.94

Obs, observed number of cases.

aAll farmers in Finland were used as reference for SIRs.