Abstract:
BACKGROUND:Limited epidemiological evidence has suggested a positive relationship between night shift work and the risk of cancer. Herein, we investigated the prospective association between different forms of work schedule and the risk of numerous cancers and all-cause cancer among Japanese men and women. METHODS:This cohort study included 45,390 working men and women aged 40-79 years and registered in the Japan Collaborative Cohort Study (JACC Study). The Cox proportional hazards models were used to calculate the hazard ratios (HRs) and their 95% confidence intervals (CIs) for incident cancer among those who reported engagement in night work and rotating shift work for their longest occupations compared with day work. RESULTS:Within a median follow-up duration of 14.2 years, 2283 (9.4%) men and 1309 (4.5%) women developed cancer. Among men, rotating shift work was significantly associated with increased risk of esophageal cancer (HR= 2.47, 95% CI, 1.42-4.31) and decreased risk of liver cancer (HR= 0.54, 95% CI, 0.30-0.98). Also, rotating shift work tended to be associated with the increased risk of prostate cancer (HR= 1.42, 95% CI, 0.95-2.12). Night work and rotating shift work were not related to the risk of all-cause cancer in either sex. CONCLUSION:Rotating shift work might contribute to the increased risk of esophageal cancer and prostate cancer and the decreased risk of liver cancer among Japanese men.
journal_name
J Epidemioljournal_title
Journal of epidemiologyauthors
Arafa A,Eshak ES,Iso H,Muraki I,Tamakoshi Adoi
10.2188/jea.JE20200208subject
Has Abstractpub_date
2020-08-15 00:00:00eissn
0917-5040issn
1349-9092pub_type
杂志文章abstract::Cancer epidemiology in Japan has been led by the large-scale population based cohort studies. Permanent registration system has made follow-up easier and more efficient. Low cancer incidence and mortality rates led the researchers to investigate possible preventive factors in diet and life style, in addition to the st...
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abstract:BACKGROUND:It remains unclear whether chronic ingestion of arsenic in drinking water affects the peripheral nervous system. We examined the effects of arsenic exposure on nerve conduction velocity using electromyography. METHODS:A cross-sectional study was conducted of a population living in an arsenic-affected villag...
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更新日期:2011-01-01 00:00:00
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更新日期:2017-09-01 00:00:00
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