Table 6

Mortality from lung cancer and non-malignant diseases of the respiratory systems, by time from starting employment, in subgroups of cadmium workers, 1946-92 (Sorahan et al 1995)26

Time from starting employment		Alloy workers			Vicinity workers			Brass and iron foundry workers
Time from starting employment		Obs	Exp		SMR	Obs		Exp	SMR	Obs	Exp	SMR
Cancer of lung^6-151:
1–9	1	0.6	182	5	2.2	230	2	1.0	210
10–19	4	2.4	167	5	6.2	80	1	2.8	35
20–29	4	4.5	90	21	10.4	202^6-160	5	5.1	99
30–39	4	5.4	74	19	10.4	183^6-150	6	4.9	122
⩾40	5	5.1	99	5	5.1	97	5	4.1	122
Total	18	17.8	101	55	34.3	160^6-160	19	17.8	107
Diseases of respiratory system (non-malignant)^6-152:
1–9	2	0.7	282	4	3.0	133	1	1.1	93
10–19	7	3.2	218	13	7.7	168	5	2.5	203
20–29	17	5.6	301^6-160	25	12.7	196^6-160	7	4.6	152
30–39	13	3.6	206^6-160	16	12.7	126	16	4.7	339^6-165
⩾40	15	7.7	196^6-160	13	6.8	191^6-150	5	4.3	118
Total	54	23.5	230^6-165	71	43.0	165^6-165	34	17.1	199^6-160

↵6-150 p<0.05;
↵6-160 p<0.01;
↵6-165 p<0.0001.
↵6-151 ICD 8th: 162–163.
↵6-152 ICD 8th: 460–519 and 866.