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Exposure to exhaust fumes, combustion products or soot and the risk of atrial fibrillation: Results from the Swedish WOLF study
Jönköping University, School of Health and Welfare, HHJ, Dep. of Natural Science and Biomedicine. Jönköping University, School of Health and Welfare, HHJ. ADULT.ORCID iD: 0000-0001-9042-4832
Umeå University.
Mid Sweden University.
Uppsala University.
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2016 (English)In: Occupational and Environmental Medicine, ISSN 1351-0711, E-ISSN 1470-7926, Vol. 73, no Suppl 1, 140-141 p.Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

Atrial fibrillation is a common heart rhythm disorder affecting 1-3% of the adult population. Despite being such a prevalent disorder, the knowledge about risk factors preceding the disease is very limited, especially regarding work related factors. The aim of the present study was to estimate the association between the 310 exposure to exhaust fumes, combustion products or soot in the work environment and the risk of atrial fibrillation.

Method

Data from the Swedish Work, Lipids and Fibrinogen (WOLF) study was used. The study includes working men and women in the counties of Stockholm, Västernorrland and Jämtland (n=10416). The baseline data collection was carried out 1992-1998. Atrial fibrillation cases were identified by the Swedish national hospital discharge register.

Results

During a median follow-up time of 13.6 years, 252 incident cases with atrial fibrillation were identified. In total, 1249 (12.5%) people reported exposure to exhaust fumes, combustion products or soot at baseline. The age and sex adjusted hazard ratio (HR) for atrial fibrillation was 1.01 (95% CI 0.70-1.46) for the exposed group compared with the unexposed group. Further adjustment for socio-economic status, lifestyle factors, job strain, waist circumference and hypertension did not alter the estimated HR in any substantial way (HR 0.99, 95% CI 0.66-1.48). However, when combining the exposure with smoking status, an increased risk for atrial fibrillation was observed among those exposed both to smoking and exhaust fumes, combustion products or soot compared to non-smokers who were not exposed (HR 1.83, 95% CI 1.07-3.12).

Exposure-Smoking status   HR*    95% CI

Non exposed-Non-smoker   1         -

Non exposed-Smoker         1.09   0.78-1.52

Exposed-Non-smoker         0.69    0.40-1.19

Exposed-Smoker               1.83   1.07-3.12

*Adjusted for SES, life-style, job strain, waist circumference and hypertension

Conclusion

Preliminary results indicate that exposure to exhaust fumes, combustion products or soot in combination with smoking is associated with an increased risk of atrial fibrillation.

Place, publisher, year, edition, pages
2016. Vol. 73, no Suppl 1, 140-141 p.
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:hj:diva-31742DOI: 10.1136/oemed-2016-103951.382OAI: oai:DiVA.org:hj-31742DiVA: diva2:968132
Conference
25th EPICOH Conference, Occupational Health: Think Globally, Act Locally, Barcelona, September 4–7, 2016.
Available from: 2016-09-12 Created: 2016-09-12 Last updated: 2016-09-12Bibliographically approved

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Fransson, Eleonor
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