期刊
OCCUPATIONAL AND ENVIRONMENTAL MEDICINE
卷 79, 期 9, 页码 631-636出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/oemed-2021-108120
关键词
electromagnetic fields; radiation; nonionizing; leukemia; occupational health
资金
- Qom University of Medical Sciences [1096]
- ZonMw [85500026]
- Miguel Servet II fellowship - Spanish Institute of Health Carlos III [CPII18/00018]
- Spanish Ministry of Science and Innovation
- State Research Agency through the Centro de Excelencia Severo Ochoa 2019-2023 Program [CEX2018-000806-S]
- Generalitat de Catalunya through the CERCA Program
- Nordic Cancer Union
This study aimed to explore the association between occupational exposure to extremely low frequency magnetic fields (ELF-MFs) and electric shocks and the risk of lymphoma. Based on a large Nordic census-based cohort, the study found no association between occupational exposure to ELF-MFs and electric shocks and the risk of lymphoma.
Background Exposure to extremely low frequency magnetic fields (ELF-MFs) and electric shocks is a common occupational risk factor in many workplaces. Recent investigations have highlighted a possible association between such exposures and lymphoma risk. This study was carried out to further explore the association between occupational exposure to ELF-MFs and electric shocks and risk of lymphoma in a large Nordic census-based cohort. Methods We included cases of non-Hodgkin's lymphoma (NHL, n=68 978), chronic lymphocytic leukaemia (CLL, n=20 615) and multiple myeloma (MM, n=35 467) diagnosed between 1961 and 2005 in Finland, Iceland, Norway and Sweden. Cases were matched to five controls by year of birth, sex and country. Lifetime occupational ELF-MF and electric shock exposures were assigned to jobs reported in population censuses using job-exposure matrices. The risk of cancer was assessed based on cumulative exposure to ELF-MF and electric shocks. ORs with 95% CIs were estimated using logistic models adjusted for occupational co-exposures relevant to lymphomas. Results Less than 7% of the cases experienced high levels of ELF-MF. We observed no increased risks among workers exposed to high levels of ELF-MF for NHL (OR: 0.93; CI 0.90 to 0.97), CLL (OR: 0.98; CI 0.92 to 1.05) or MM (OR: 0.96; CI 0.90 to 1.01). Conclusion Our results do not provide support for an association between occupational exposure to ELF-MFs and electric shocks and lymphoma risk.
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