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Occupational exposure to noise and cold environment and the risk of death due to myocardial infarction and stroke
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Section of Sustainable Health.ORCID iD: 0000-0001-7077-2389
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Section of Sustainable Health.ORCID iD: 0000-0002-8965-4312
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Section of Sustainable Health.
2020 (English)In: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246Article in journal (Refereed) Epub ahead of print
Abstract [en]

PURPOSE: The present study examined a possible association between occupational exposure to noise, working and living in cold conditions, and the risk of mortality in myocardial infarction and stroke.

METHODS: The present cohort study consists of 194,501 workers in the Swedish construction industry that participated in health examinations between 1971 and 1993. Noise exposure was defined on a job-exposure matrix based on a survey of the working conditions carried out during the mid 1970s. All workers were categorised into three main regions of Sweden, differing in temperature: Reference (Götaland), colder (Svealand), and coldest (Norrland). Relative risks (RR) were analysed by negative binomial regression adjusting for age, BMI, and smoking habits.

RESULTS: Moderate and high noise exposure was associated with increased risk of myocardial infarction (RR 1.10-1.13 with 95% CI over unit) and stroke mortality (RR 1.15 to 1.19 with 95% CI over unit). There was an increased risk for myocardial infarction (RR 1.10, 95% CI 1.01-1.20), but not for stroke mortality (RR 1.09, 95% CI 0.94-1.25) associated with living and working in the coldest region. There was an interaction on the risk of myocardial infarction mortality between different regions and noise exposure (p = 0.016), but not for stroke mortality (p = 0.88).

CONCLUSIONS: The study indicates an interaction between working at hazardous noise levels and living and working in cold conditions for increased mortality in myocardial infarction.

Place, publisher, year, edition, pages
Springer, 2020.
Keywords [en]
Cerebrovascular disease, Ischemic heart disease, Mortality, Prospective cohort study, Work environment
National Category
Occupational Health and Environmental Health
Identifiers
URN: urn:nbn:se:umu:diva-167217DOI: 10.1007/s00420-019-01513-5PubMedID: 31915923OAI: oai:DiVA.org:umu-167217DiVA, id: diva2:1385006
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AFA Insurance, 150070Available from: 2020-01-13 Created: 2020-01-13 Last updated: 2020-01-14

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Pettersson, HansOlsson, DavidJärvholm, Bengt

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