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  • 标题:Occupational Class Groups as a Risk Factor for Gastrointestinal Cancer: A Case-Control Study
  • 其他标题:Occupational Class Groups as a Risk Factor for Gastrointestinal Cancer: A Case-Control Study
  • 本地全文:下载
  • 作者:Mashallah Aghilinejad ; Elahe Kabir-Mokamelkhah ; Zahra Imanizade
  • 期刊名称:The International Journal of Occupational and Environmental Medicine
  • 印刷版ISSN:2008-6520
  • 电子版ISSN:2008-6814
  • 出版年度:2017
  • 卷号:8
  • 期号:1
  • 页码:21-31
  • DOI:10.15171/ijoem.2017.851
  • 语种:English
  • 出版社:National Iranian Oil Company (NIOC) Health Organization
  • 摘要:Background: Cancer has a high mortality rate in both developing and developed countries. 11%–15% of cancers are attributable to occupational risk factors.Objective: To determine if specific occupational classes, based on the International Standard for Classification of Occupations 2008 (ISCO-08), are risk factors for gastrointestinal (GI) cancer.Methods: In this case-control study, 834 cancer patients were interviewed by a single physician. Cases included patients with GI cancer. Age-matched controls were selected from non- GI cancer patients. Each year of working, up until 5 years before the diagnosis, was questioned and categorized by the ISCO classification.Results: 243 GI cancer cases and 243 non-GI cancer patients (486 in total) were studied. Working in ISCO class 8 (plant and machine operators, and assemblers) was significantly associated with higher risk of GI cancer (OR 1.63, 95% CI 1.05 to 2.52). Working in ISCO class 6 (skilled agricultural, forestry and fishery workers) and 9 (elementary occupations) were also associated with higher incidence of GI cancers.Conclusion: Working in ISCO classes of 8, 6, and 9, which are usually associated with low socio-economic status, can be considered a risk factor for GI cancers.
  • 关键词:Neoplasms; Occupations; Classification; Risk factors; Epidemiology; Gastrointestinal tract
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