HEALTH NEWS
Study Title:
The Association between Job Strain and Atrial Fibrillation: Results from the Swedish WOLF Study.
Study Abstract
INTRODUCTION:
Atrial fibrillation (AF) is a common heart rhythm disorder. Several life-style factors have been identified as risk factors for AF, but less is known about the impact of work-related stress. This study aims to evaluate the association between work-related stress, defined as job strain, and risk of AF.
METHODS:
Data from the Swedish WOLF study was used, comprising 10,121 working men and women. Job strain was measured by the demand-control model. Information on incident AF was derived from national registers. Cox proportional hazard regression was used to estimate hazard ratios (HR) and 95% confidence intervals (CI) for the association between job strain and AF risk.
RESULTS:
In total, 253 incident AF cases were identified during a total follow-up time of 132,387 person-years. Job strain was associated with AF risk in a time-dependent manner, with stronger association after 10.7 years of follow-up (HR 1.93, 95% CI 1.10-3.36 after 10.7 years, versus HR 1.11, 95% CI 0.67-1.83 before 10.7 years). The results pointed towards a dose-response relationship when taking accumulated exposure to job strain over time into account.
CONCLUSION:
This study provides support to the hypothesis that work-related stress defined as job strain is linked to an increased risk of AF.
Study Information
Biomed Res Int. 2015;2015:371905. doi: 10.1155/2015/371905. Epub 2015 Oct 18.Full Study
https://www.ncbi.nlm.nih.gov/pubmed/26557661Recent News
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