Occurrence of cancer in a small cohort of asbestos-exposed workers

Hilt, Bjørn; Rosenberg, J; Langård, Sverre

doi:10.5271/sjweh.3110

Cited by 12 publications

(6 citation statements)

References 18 publications

(11 reference statements)

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“…Figure 4 presents the age-adjusted prevalence of asbestos-relateddisorders in relation to smoking habits among I 367 of those who attended the reexamination. Lung fibrosis was more prevalent among the smokers, 8.0 010 for all current smokers compared to 2.8 % for the never smokers. There were no marked differences in the prevalence of pleural plaques between the smoking categories.…”

Section: % 100mentioning

confidence: 96%

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Asbestos-related findings in chest radiographs of the male population of the county of Telemark, Norway--a cross-sectional study.

Hilt¹,

Lien²,

Lund‐Larsen³

et al. 1986

Scand J Work Environ Health

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S. Asbestos-related findings in chest radiographs of the male population of the county of Telemark, Norway -A cross-sectional study. Scand J Work Environ Health 12 (1986) 567-573. In order to investigate the prevalence of asbestos-related diseases, a cross-sectional population study was conducted among 28 216 men aged 40 years in nine municipalities of the county of Telemark, Norway. In a primary radiographic screening 10 x IO-cm chest radiographs were taken of 21 483 persons. In two independent readings of the radiographs, pleural changes were observed in 6.9 and 8.5 % of the study subjects. Radiographic findings in the primary screening led to 1 431 subjects being selected for a reexamination. On the basis of occupational histories and 40 x 4O-cm chest radiographs, it was concluded that 470 of these subjects (2.2 010 of the screened population) had radiographic changes consistent with an asbestos-related disorder. Among these, 86 had lung fibrosis (82 in combination with pleural plaques) and 384 had pleural plaques only. There were marked differences in the occurrence of asbestos-related disorders between the seven urban and two rural communities studied, and agreement was observed between the occurrence of such disorders and the degree and duration of the reported asbestos exposure. The study presents evidence that asbestos-related disorders may be more prevalent in the general male population than has been recognized earlier.

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confidence: 96%

“…There is heavy industry in some parts of the county, and previous investigations have shown that asbestos has been extensivelyused in many workplaces since the turn of the century (5,7,8,10,12,21). The county has 18municipalities, and on 31 December 1981 there were 80 435 male and 81 612 female inhabitants.…”

Section: Study Populationmentioning

confidence: 99%

Asbestos-related findings in chest radiographs of the male population of the county of Telemark, Norway--a cross-sectional study.

Hilt¹,

Lien²,

Lund‐Larsen³

et al. 1986

Scand J Work Environ Health

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“…In Norway a number of retrospective cohort studies have related occupational exposure to substances such as nickel (Pedersen et al, 1973;Magnus et al, 1982), hexavalent chromium (Langard et al, 1980;Langard and Vigander, 1983), aluminium (Andersen et al, 1982), and asbestos (Mowe, 1977;Hilt et al, 1981); and general work-place pollution (Kjuus et al, 1982) to an increase in lung cancer risk. The prevalence in the general population of Norway of these and other occupational exposures is, however, not well established, and the implications of such exposures for the total incidence of lung cancer are not clear.…”

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confidence: 99%

Occupational exposure and lung cancer risk

Kvåle

Bjelke

Heuch

1986

Intl Journal of Cancer

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The importance of occupation held longest as a risk factor for lung cancer was examined in a prospective study in Norway of 11,995 men, among whom 125 cases occurred in a follow-up from 1966 through 1978. Based on information about occupation held longest, the respondents were classified into 3 groups according to suspected exposure to respiratory carcinogens at the workplace. After stratification for age, place of residence and cigarette smoking, we found a highly significant relative risk of 2.6 for those judged to have experienced definite exposure versus the group with no workplace exposure. The apparent risk-enhancing effect of occupational exposure was observed for all histologic subtypes. Stratification including a socioeconomic factor score led to a moderate reduction in the relative risk estimate. High risk estimates still obtained, however, for a limited number of occupations, the highest for workers in the mining and quarrying industries. Although the interpretation of the observed effect associated with a crude index of occupational exposure may be difficult, our results suggest that between 13 and 27% of the lung cancer cases observed among Norwegian men in the relevant time period can be attributed to harmful work-place exposure.

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“…Durin g the last few years several cases of asbestosrelated diseases have been observed among the county population (6,7,9,11,13). Therefore, it seemed of interest to study the extent of previous occupational asbestos exposure among all inhabitants in the county.…”

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confidence: 99%