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Occupation and cancer - European Trade Union Institute (ETUI)

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Acta Oncol Downloaded from informahealthcare.com by 212.35.100.66 on 04/06/11<br />

For personal use only.<br />

728 E. Pukkala et al.<br />

/ 100 000<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

Denmark<br />

Finl<strong>and</strong><br />

Icel<strong>and</strong><br />

Norway<br />

Sweden<br />

Men<br />

0<br />

1945 1960 1975 1990 2005<br />

cer, such as auramine manufacture, boot <strong>and</strong><br />

shoe manufacture <strong>and</strong> repair, coal gasification,<br />

coke production, magenta manufacture, painter,<br />

rubber industry, hairdressers or barbers, petroleum<br />

refining, dry cleaning, printing processes <strong>and</strong> the<br />

textile manufacturing industry [87]. Studies of<br />

bladder <strong>cancer</strong> among workers in the dyestuffs<br />

industry, <strong>and</strong> later among rubber workers, hold an<br />

important place in the history of occupational<br />

<strong>cancer</strong> [122].<br />

In the present study, occupations with several<br />

chemical exposures were listed among those with the<br />

highest SIRs. Waiters <strong>and</strong> tobacco workers were<br />

among those with the highest SIRs for lung <strong>cancer</strong>,<br />

<strong>and</strong> their excess risk for bladder <strong>cancer</strong> is therefore<br />

probably due to smoking as the major risk factor.<br />

Almost all occupational categories with a low SIR<br />

for bladder <strong>cancer</strong> also have a low SIR for lung<br />

<strong>cancer</strong>, such as gardeners <strong>and</strong> those working in<br />

agriculture <strong>and</strong> pedagogical work.<br />

/ 100 000<br />

30<br />

25<br />

20<br />

15<br />

10<br />

5<br />

Denmark<br />

Finl<strong>and</strong><br />

Icel<strong>and</strong><br />

Norway<br />

Sweden<br />

Women<br />

0<br />

1945 1960 1975 1990 2005<br />

Figure 37. Age st<strong>and</strong>ardised (World) incidence rates for <strong>cancer</strong> of the bladder, ureter <strong>and</strong> urethra 1943 2005, by country <strong>and</strong> gender.<br />

Modified from NORDCAN [49].<br />

/ 100 000<br />

20<br />

15<br />

10<br />

5<br />

Denmark<br />

Finl<strong>and</strong><br />

Icel<strong>and</strong><br />

Norway<br />

Sweden<br />

Men<br />

0<br />

1945 1960 1975 1990 2005<br />

/ 100 000<br />

From the occupations with prior finding of excess<br />

risk, hairdressers <strong>and</strong> printers were also among the<br />

occupations with the highest SIRs for bladder<br />

<strong>cancer</strong> in the present study. A number of studies<br />

have found an excess of bladder <strong>cancer</strong> among<br />

workers exposed to polycyclic aromatic hydrocarbons.<br />

Chimney sweeps are exposed to chimney<br />

soot which is rich on these chemicals, a group<br />

of compounds well documented as carcinogenic<br />

[122,123].<br />

Skin melanoma<br />

Incidence of skin melanoma in the Nordic countries<br />

was steadily increasing until the early 1990s, both in<br />

men <strong>and</strong> women (Figure 38). After that, there was a<br />

levelling-off in Norway <strong>and</strong> Finl<strong>and</strong>, but a rapid<br />

increase in Icel<strong>and</strong>.<br />

The highest SIRs of skin melanoma in men were<br />

observed among dentists (1.65, 95% CI 1.40 1.95),<br />

physicians, administrators, journalists, religious<br />

20<br />

15<br />

10<br />

5<br />

Denmark<br />

Finl<strong>and</strong><br />

Icel<strong>and</strong><br />

Norway<br />

Sweden<br />

Women<br />

0<br />

1945 1960 1975 1990 2005<br />

Figure 38. Age st<strong>and</strong>ardised (World) incidence rates for malignant melanoma of the skin 1943 2005, by country <strong>and</strong> gender. Modified<br />

from NORDCAN [49].

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