Annals of Occupational and Environmental Medicine

Sang Jun Park

2 Articles

The Relationship between the Korean Occupational Stress Scale and Carotid Intima-Media Thickness among Male Firefighters: Sang Jun Park, Dong Kyun Lim, Mi Young Lee, In Sung Chung; Korean Journal of Occupational and Environmental Medicine 2012;24(4):420-430. Published online December 31, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.4.420

Abstract PDF: OBJECTIVES
This study examined the relationship between job stress and the common carotid intima-media thickness as an indicator of atherosclerosis (cardiovascular disease) among male firefighters in a metropolitan city.
METHODS
Between November and December 2011, a total of 838 participants were analyzed using a questionnaire, which included the participants' general characteristics, job-related factors, health-related behaviors, and job stress. Job stress was measured using the Korean Occupational Stress Scale-Short Form (KOSS-SF). The job stress data was merged with the clinical laboratory data and common carotid intima-media thickness (CIMT) by a medical examination. The relationship between job stress and the CIMT was examined by multiple logistic regression analysis.
RESULTS
Multiple logistic regression analyses adjusted for the general and cardiovascular risk factors revealed, the organizational system (adjusted OR 1.381 95% CI=1.005~1.898) to be associated with the right CIMT. Multiple logistic regression analyses adjusted for general and cardiovascular risk factors and job types, the occupational climate (adjusted OR 1.392, 95% CI=1.009~1.922) was also associated with the right CIMT.
CONCLUSIONS
The level of job stress, particularly in regard to the organizaional system, shows a correlation with the right CIMT. Therefore, further preventive efforts and studies of firefighters will be needed to reduce job stress and help prevent cardiovascular disease.

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The Relationship between the Korean Occupational Stress Scale and Pulse Wave Velocity among Male Firefighters: Hyun Jun Jeon, Sang Jun Park, Dong Hoon Shin, In Sung Chung, Mi Young Lee; Korean Journal of Occupational and Environmental Medicine 2011;23(4):450-462. Published online December 31, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.4.450

OBJECTIVES
The aim of this study was to investigate the relationship between job stress and the pulse wave velocity as an indicator of vessel stiffness among male firefighters in a metropolitan city.
METHODS
In November and December 2008, a total of 404 participants were analyzed. The questionnaire survey included the participants' general characteristics, job-related factors, health-related behaviors, and job stress. Job stress was measured using the Korean Occupational Stress Scale (KOSS). We merged the job stress data with clinical laboratory data and brachial-ankle Pulse Wave Velocity (baPWV) by conducting medical surveillance. We measured the relationship of job stress to baPWV by using a logistic regression analysis.
RESULTS
After adjusting for cardiovascular risk factors, the baPWV was significantly higher in the groups possessing high levels of job insecurity (OR=2.17, 95% CI=1.06~4.42).
CONCLUSIONS
Our findings suggest that the level of job stress, especially in regards to job insecurity, was directly related to the baPWV. Therefore, further preventive efforts and studies in regards to firefighters are needed in order to reduce job stress and thereby help to prevent cardiovascular disease.

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Firefighters’ occupational stress and its correlations with cardiorespiratory fitness, arterial stiffness, heart rate variability, and sleep quality
Young-Sook Yook, Kiyoshi Sanada
PLOS ONE.2019; 14(12): e0226739. CrossRef

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