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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 />

752 E. Pukkala et al.<br />

/ 100 000<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Denmark<br />

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

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

Norway<br />

Sweden<br />

Men<br />

1945 1960 1975 1990 2005<br />

Hodgkin lymphoma<br />

The incidence of Hodgkin lymphoma in the<br />

Nordic countries is slightly higher in males than<br />

in females, <strong>and</strong> rates have been rather stable over<br />

time (Figure 46).<br />

Male bricklayers had the highest risk of Hodgkin<br />

lymphoma, SIR 1.33 (95% CI 1.04 1.68; Table 70),<br />

while electrical workers represent the group with a<br />

significant decreased risk (0.83, 0.71 0.98).<br />

Among women (Table 71), the only findings<br />

worth mentioning are the borderline significant<br />

excess risk among farmers (1.21, CI 1.00 1.45) <strong>and</strong><br />

the decreased risk among drivers (0.14, 0.00 0.80).<br />

Comment. Epstein Barr virus, immunodeficiency<br />

conditions <strong>and</strong> infectious mononucleosis have been<br />

implicated in the aetiology of Hodgkin lymphoma<br />

[138]. <strong>Occupation</strong>al studies have suggested that<br />

occupations related to woodworking industries <strong>and</strong><br />

/ 100 000<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Denmark<br />

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

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

Norway<br />

Sweden<br />

Women<br />

1945 1960 1975 1990 2005<br />

Figure 46. Age st<strong>and</strong>ardised (World) incidence rates for Hodgkin lymphoma 1943 2005, by country <strong>and</strong> gender. Modified from<br />

NORDCAN [49].<br />

/ 100 000<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Denmark<br />

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

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

Norway<br />

Sweden<br />

Men<br />

1945 1960 1975 1990 2005<br />

/ 100 000<br />

certain chemical exposures are related to risk [139].<br />

We found no clear evidence of variation in risk<br />

according to occupation.<br />

Multiple myeloma<br />

For multiple myeloma, incidence rates are rather<br />

similar between genders <strong>and</strong> in all Nordic countries<br />

(Figure 47). There was an increase in rates until the<br />

late 1980s, which then levelled off or even turned<br />

into a decrease, especially in Finl<strong>and</strong>.<br />

The variation between occupational categories<br />

in the incidence of multiple myeloma was small<br />

(Tables 72, 73). A weak increase in the risk of<br />

multiple myeloma was observed among male farmers,<br />

SIR 1.07 (95% CI 1.03 1.11) <strong>and</strong> a lowered<br />

risk among male printers (0.80, 0.68 0.95).<br />

Female farmers also had a somewhat increased<br />

risk (1.14, 1.05 1.24), while no occupation showed<br />

a decreased risk among women.<br />

5<br />

4<br />

3<br />

2<br />

1<br />

0<br />

Denmark<br />

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

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

Norway<br />

Sweden<br />

Women<br />

1945 1960 1975 1990 2005<br />

Figure 47. Age st<strong>and</strong>ardised (World) incidence rates for multiple myeloma 1943 2005, by country <strong>and</strong> gender. Modified from<br />

NORDCAN [49].

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