ArticlePloS one2019
Firefighters' occupational stress and its correlations with cardiorespiratory fitness, arterial stiffness, heart rate variability, and sleep quality.
Article in PloS one, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
16 citing papers in PubMed, 1 synthesis or guideline pooled it, 48 citations in OpenAlex.
- Health outcomes of psychosocial stress within firefighters: A systematic review of the research landscape.Journal of occupational health · 2021Pooled it
- The effect of cranial techniques on the heart rate variability response to psychological stress test in firefighter cadets.Scientific reports · 2023Trial
- Line-of-Duty Deaths Among Firefighters in Poland: A Retrospective Observational Study of Mortality Differences Between Career and Volunteer Firefighters.Journal of clinical medicine · 2026Article
- The Association Between Cardiorespiratory Fitness Directly Assessed by the Cardiopulmonary Stress Test and the Perception of Stress.Journal of clinical medicine · 2025Article
- Prevalence and factors associated with insomnia among firefighting personnel in Dhaka division, Bangladesh.BMC public health · 2025Article
- Effects of 24-h sleep deprivation on whole-body heat exchange in young men during exercise in the heat.European journal of applied physiology · 2025Article
- Work-related stress and sleep problems among small-scale miners in Ghana: The role of psychological factors.PloS one · 2025Article
- The Cyclical Battle of Insomnia and Mental Health Impairment in Firefighters: A Narrative Review.Journal of clinical medicine · 2024Review
- Evaluation of the relationship between occupational-specific task performance and measures of physical fitness, cardiovascular and musculoskeletal health in firefighters.BMC public health · 2024Article
- Article
- The allostatic load model: a framework to understand the cumulative multi-system impact of work-related psychosocial stress exposure among firefighters.Health psychology and behavioral medicine · 2023Review
- Association Between Occupational Stress and Sleep Quality: A Systematic Review.Nature and science of sleep · 2023Review
- Working hours, sleep, and fatigue in the public safety sector: A scoping review of the research.American journal of industrial medicine · 2022Article
- Association Between Atrial Fibrillation and Occupational Exposure in Firefighters Based on Self-Reported Survey Data.Journal of the American Heart Association · 2022Article
- Firefighter sleep: a pilot study of the agreement between actigraphy and self-reported sleep measures.Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine · 2022Article
- Regional Gray Matter Volume Related to High Occupational Stress in Firefighters.Journal of Korean medical science · 2021Article
Corrections and comments
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This study investigated the correlations between firefighters' occupational stress and cardiorespiratory fitness, arterial stiffness, heart rate variability, and sleep quality. We examined 705 male firefighters aged 40-50 years in Seoul City, Korea from November 2016-December 2017. The Occupational stress scale was used to evaluate occupational stress; an exercise stress test was administered to measure participants' maximal oxygen uptake (VO2max); brachial-ankle pulse wave velocity was used to measure firefighters' arterial stiffness; their autonomic nervous system activities were analyzed to determine heart rate variability (HRR); and the Pittsburgh Sleep Quality Index was used to assess their sleep quality. We divided the sample population into tertile groups per their occupational stress scores; i.e., low-stress group (n = 233), medium-stress group (n = 237), and high-stress group (n = 235). They were compared per each indicator and correlations were examined. There was a significant difference in VO2max (p < .01), and arterial stiffness (p < .001) according to occupational stress levels. Occupational stress was significantly correlated with cardiorespiratory fitness (r = -.820, p < .05), arterial stiffness (r = .085, p < .05), and sleep quality (r = .276, p < .001), but not HRR. In conclusion, Firefighters' occupational stress is a key factor behind their elevated risk of cardiovascular diseases; therefore, we recommend programs aimed at reducing their occupational stress and preventing cardiovascular diseases.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.