Suggested Excess of Occupational Cancers in Norwegian Offshore Workers: Preliminary Results from the Cancer Registry Offshore Cohort

Objective The aim of this communication was to report the overall incidence of cancer in a cohort of male Norwegian offshore oil workers. Methods The Offshore Cohort was comprised of > 25 000 men who were employed at installations in the North Sea in the period 1965-1999, and who responded to a q...

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Veröffentlicht in:Scandinavian Journal of Work, Environment & Health Environment & Health, 2009-10, Vol.35 (5), p.397-399
Hauptverfasser: Aas, Gjøril Bergva, Aagnes, Bjarte, Strand, Leif Åge, Grimsrud, Tom K
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container_end_page 399
container_issue 5
container_start_page 397
container_title Scandinavian Journal of Work, Environment & Health
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creator Aas, Gjøril Bergva
Aagnes, Bjarte
Strand, Leif Åge
Grimsrud, Tom K
description Objective The aim of this communication was to report the overall incidence of cancer in a cohort of male Norwegian offshore oil workers. Methods The Offshore Cohort was comprised of > 25 000 men who were employed at installations in the North Sea in the period 1965-1999, and who responded to a questionnaire that included work history offshore, other occupational experience, education, leisure-time activities, and lifestyle factors. Calculating standardized incidence ratios (SIR), we compared the number of prospective incident cancers diagnosed between 1999 and 2005 with those expected for age-, gender-and period-specific rates in the general Norwegian population. Results The overall cancer incidence did not differ from that of the reference population [SIR=1.0, 95% confidence interval (95% CI) 1.0-1.1, N=695]. There were indications of excess risks of acute myeloid leukemia (SIR= 2.0,95% CI 1.0-3.7) and cancer of the pleura (SIR=2.2,95% CI 0.9-4.6). No data on occupational history was used in these preliminary analyses. Conclusions The cohort was relatively young and an extended observation period would be important for in-depth analyses. The suggested excess of leukemia and cancer of the pleura may be linked to occupational exposure during employment offshore; this issue needs to be addressed in further studies.
doi_str_mv 10.5271/sjweh.1341
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Methods The Offshore Cohort was comprised of &gt; 25 000 men who were employed at installations in the North Sea in the period 1965-1999, and who responded to a questionnaire that included work history offshore, other occupational experience, education, leisure-time activities, and lifestyle factors. Calculating standardized incidence ratios (SIR), we compared the number of prospective incident cancers diagnosed between 1999 and 2005 with those expected for age-, gender-and period-specific rates in the general Norwegian population. Results The overall cancer incidence did not differ from that of the reference population [SIR=1.0, 95% confidence interval (95% CI) 1.0-1.1, N=695]. There were indications of excess risks of acute myeloid leukemia (SIR= 2.0,95% CI 1.0-3.7) and cancer of the pleura (SIR=2.2,95% CI 0.9-4.6). No data on occupational history was used in these preliminary analyses. Conclusions The cohort was relatively young and an extended observation period would be important for in-depth analyses. The suggested excess of leukemia and cancer of the pleura may be linked to occupational exposure during employment offshore; this issue needs to be addressed in further studies.</description><identifier>ISSN: 0355-3140</identifier><identifier>EISSN: 1795-990X</identifier><identifier>DOI: 10.5271/sjweh.1341</identifier><identifier>PMID: 19554245</identifier><language>eng</language><publisher>Helsinki: Scandinavian Journal of Work, Environment & Health</publisher><subject>Biological and medical sciences ; Cancer ; Chemical hazards ; Communication ; Emigration ; Extraction and Processing Industry ; Hematologic and hematopoietic diseases ; Humans ; Hydrocarbons ; Incidence ; Leukemia ; Leukemias. Malignant lymphomas. Malignant reticulosis. 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Conclusions The cohort was relatively young and an extended observation period would be important for in-depth analyses. The suggested excess of leukemia and cancer of the pleura may be linked to occupational exposure during employment offshore; this issue needs to be addressed in further studies.</abstract><cop>Helsinki</cop><pub>Scandinavian Journal of Work, Environment & Health</pub><pmid>19554245</pmid><doi>10.5271/sjweh.1341</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record>
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subjects Biological and medical sciences
Cancer
Chemical hazards
Communication
Emigration
Extraction and Processing Industry
Hematologic and hematopoietic diseases
Humans
Hydrocarbons
Incidence
Leukemia
Leukemias. Malignant lymphomas. Malignant reticulosis. Myelofibrosis
Lifestyles
Lung cancer
Lung neoplasms
Lungs
Male
Medical sciences
Melanoma
Multiple myeloma
Myeloid leukemia
Neoplasms - epidemiology
Neoplasms - etiology
Norway - epidemiology
Occupational Diseases - epidemiology
Occupational Diseases - etiology
Occupational Exposure - adverse effects
Petroleum
Pleura
Prospective Studies
Prostate
Questionnaires
Short communication
Skin cancer
Workers
title Suggested Excess of Occupational Cancers in Norwegian Offshore Workers: Preliminary Results from the Cancer Registry Offshore Cohort
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