Table 1.

Number of persons (N) at Tornio works, and person-years at follow-up during 1967–2011, by work department, age and gender

	Men		Women		Total
	N*	Person-years	N*	Person-years	N*	Person-years
Total	6330	156 296	1816	40 188	8146	196 484
Department
Chromite mine	335	8894	31	697	366	9591
Ferrochromium plant	820	23 705	28	770	848	24 475
Stainless steel melting shop	682	13 755	21	367	703	14 122
Hot rolling mill	189	3329	27	435	216	3764
Cold rolling mill	1648	34 115	262	5198	1910	39 312
Maintenance and services	2132	58 856	852	18 606	2984	77 462
Metallurgical laboratory	303	7824	147	3269	450	11 093
Office	221	5818	448	10 847	669	16 665
Age
<30	5400	43 922	1536	14 178	6936	58 099
30–44	829	66 155	227	15 602	1056	81 756
45–59	98	36 434	52	7944	150	44 378
60–74	3	9085	1	2097	4	11 182
75+	–	700	–	369	–	1069