TABLE 3 |
|||||||
|---|---|---|---|---|---|---|---|
Exposure to chemicals (years)* |
No. of cases |
No. of controls |
|
||||
n = 549 |
% |
n = 1,099 |
% |
OR (95% CI)† |
p value for trend |
||
Asbestos |
|||||||
|
Never exposed |
462 |
84.2 |
971 |
88.4 |
1.0 |
0.20 |
|
1-9 |
42 |
7.7 |
57 |
5.2 |
1.7 (1.1-2.6) |
|
|
10-19 |
16 |
2.9 |
26 |
2.4 |
1.1 (0.6-2.2) |
|
|
>20 |
19 |
3.5 |
28 |
2.6 |
1.4 (0.7-2.7) |
|
Coal tar, soot, pitch, creosote, asphalt |
|||||||
|
Never exposed |
445 |
81.1 |
928 |
84.4 |
1.0 |
0.43 |
|
1-9 |
54 |
9.8 |
87 |
7.9 |
1.3 (0.9-1.9) |
|
|
10-19 |
13 |
2.4 |
27 |
2.5 |
0.8 (0.4-1.6) |
|
|
>20 |
20 |
3.6 |
26 |
2.4 |
1.2 (0.6-2.3) |
|
Mineral, cutting or lubricating oil |
|||||||
|
Never exposed |
400 |
72.9 |
873 |
79.4 |
1.0 |
0.02 |
|
1-9 |
42 |
7.7 |
68 |
6.2 |
1.6 (1.0-2.5) |
|
|
10-19 |
29 |
5.3 |
49 |
4.5 |
1.4 (0.8-2.3) |
|
|
>20 |
54 |
9.8 |
81 |
7.4 |
1.3 (0.9-1.9) |
|
Benzidine |
|||||||
|
Never exposed |
535 |
97.5 |
1,083 |
98.5 |
1.0 |
0.26 |
|
1-9 |
6 |
1.1 |
4 |
0.4 |
2.7 (0.7-10.5) |
|
|
10-19 |
0 |
0.0 |
3 |
0.3 |
|
|
|
>20 |
5 |
0.9 |
5 |
0.5 |
2.7 (0.7-9.1) |
|
Dyestuffs |
|||||||
|
Never exposed |
526 |
95.8 |
1,075 |
97.8 |
1.0 |
< 0.01 |
|
1-9 |
7 |
1.3 |
15 |
1.4 |
1.1 (0.4-2.8) |
|
|
10-19 |
4 |
0.7 |
2 |
0.2 |
3.4 (0.6-20.9) |
|
|
>20 |
6 |
1.1 |
3 |
0.3 |
4.7 (0.9-23.8) |
|
Mustard gas |
|||||||
|
Never exposed |
541 |
98.5 |
1,093 |
99.5 |
1.0 |
|
|
1-9 |
2 |
0.4 |
4 |
0.4 |
0.8 (0.1-5.1) |
|
|
10-19 |
0 |
0.0 |
0 |
0.0 |
|
|
|
>20 |
0 |
0.0 |
0 |
0.0 |
|
|
Welding materials |
|||||||
|
Never exposed |
383 |
69.8 |
835 |
76.0 |
1.0 |
0.21 |
|
1-9 |
45 |
8.2 |
101 |
9.2 |
1.1 (0.7-1.6) |
|
|
10-19 |
52 |
9.5 |
80 |
7.3 |
1.3 (0.9-1.9) |
|
|
>20 |
0 |
0.0 |
0 |
0.0 |
|
|
Arsenic salts |
|||||||
|
Never exposed |
541 |
98.5 |
1,085 |
98.7 |
1.0 |
0.16 |
|
1-9 |
2 |
0.4 |
10 |
0.9 |
0.9 (0.2-4.3) |
|
|
10-19 |
1 |
0.2 |
2 |
0.2 |
1.2 (0.1-14.1) |
|
|
>20 |
4 |
0.7 |
3 |
0.1 |
6.6 (0.6-68.9) |
|
Chromium salts |
|||||||
|
Never exposed |
541 |
98.5 |
1,078 |
98.1 |
1.0 |
0.58 |
|
1-9 |
4 |
0.7 |
9 |
0.8 |
1.0 (0.2-3.6) |
|
|
10-19 |
1 |
0.2 |
8 |
0.7 |
0.2 (0.0-1.8) |
|
|
>20 |
2 |
0.4 |
1 |
0.1 |
3.2 (0.2-41.0) |
|
Cadmium salts |
|||||||
|
Never exposed |
541 |
98.5 |
1,084 |
98.6 |
1.0 |
0.20 |
|
1-9 |
0 |
0.0 |
8 |
0.7 |
|
|
|
10-19 |
2 |
0.4 |
4 |
0.4 |
0.8 (0.1-4.4) |
|
|
>20 |
3 |
0.6 |
1 |
0.1 |
6.8 (0.7-71.7) |
|
Isopropyl oil |
|||||||
|
Never exposed |
531 |
96.7 |
1,079 |
98.2 |
1.0 |
0.14 |
|
1-9 |
6 |
1.1 |
9 |
0.8 |
1.3 (0.4-3.9) |
|
|
10-19 |
4 |
0.7 |
6 |
0.6 |
1.1 (0.3-4.1) |
|
|
>20 |
4 |
0.7 |
4 |
0.4 |
1.6 (0.4-6.7) |
|
Vinyl chloride |
|||||||
|
Never exposed |
533 |
97.1 |
1,072 |
97.5 |
1.0 |
0.58 |
|
1-9 |
8 |
1.5 |
16 |
1.5 |
0.9 (0.3-2.4) |
|
|
10-19 |
3 |
0.6 |
4 |
0.4 |
1.4 (0.3-6.7) |
|
|
>20 |
2 |
0.4 |
5 |
0.5 |
0.6 (0.1-3.3) |
|
Pesticides |
|||||||
|
Never exposed |
434 |
79.1 |
898 |
81.7 |
1.0 |
0.21 |
|
1-9 |
29 |
5.3 |
40 |
3.6 |
1.5 (0.9-2.5) |
|
|
10-19 |
9 |
1.6 |
25 |
2.3 |
0.8 (0.3-1.7) |
|
|
>20 |
22 |
4.0 |
47 |
4.3 |
0.9 (0.5-1.6) |
|
Herbicides |
|||||||
|
Never exposed |
451 |
82.2 |
910 |
82.8 |
1.0 |
0.98 |
|
1-9 |
22 |
4.0 |
37 |
3.4 |
1.2 (0.7-2.2) |
|
|
10-19 |
8 |
1.5 |
21 |
1.9 |
0.9 (0.4-2.1) |
|
|
>20 |
27 |
4.9 |
47 |
4.3 |
1.1 (0.6-1.9) |
|
Radiation sources |
|||||||
|
Never exposed |
509 |
92.7 |
1,021 |
92.9 |
1.0 |
0.98 |
|
1-9 |
20 |
3.6 |
34 |
3.1 |
1.4 (0.7-2.5) |
|
|
10-19 |
7 |
1.3 |
12 |
1.1 |
0.9 (0.3-2.6) |
|
|
>20 |
7 |
1.3 |
26 |
2.4 |
0.5 (0.2-1.3) |
|
Wood dust |
|||||||
|
Never exposed |
365 |
66.5 |
740 |
67.3 |
1.0 |
0.13 |
|
1-9 |
45 |
8.2 |
119 |
10.8 |
0.8 (0.6-1.2) |
|
|
10-19 |
20 |
3.6 |
53 |
4.8 |
0.8 (0.4-1.4) |
|
|
>20 |
44 |
8.0 |
75 |
6.8 |
1.2 (0.8-1.8) |
|
*Ever exposed for more than one year. |
|||||||