Exploring factors associated with inflammation in stressed workers: a cross-sectional study.
Akihiro Koreki1,2,3, Hisateru Tachimori4,5, Anna Kubota4
1Department of Neuropsychiatry, Keio University School of Medicine, Shinanomachi 35, Shinjuku-ku, Tokyo, 160-8582, Japan. rohikiakireko.z3@keio.jp.
BMC Public Health
|November 14, 2025
Summary
Feeling fatigued may indicate chronic stress-induced inflammation in office workers. Self-monitoring fatigue can aid early intervention for stress management and illness prevention.
Area of Science:
- Occupational Health
- Psychoneuroimmunology
- Biomarkers of Stress
Background:
- Chronic occupational stress is linked to physical and mental health issues.
- Systemic low-grade inflammation is increasingly recognized as a key factor in stress-related illnesses.
- Elevated salivary interleukin-6 (sIL-6) serves as a non-invasive indicator of stress.
Purpose of the Study:
- To investigate factors associated with sIL-6 in stressed office workers.
- To identify symptomatic manifestations of stress that correlate with inflammation.
- To explore potential inflammation-based stress management strategies.
Main Methods:
- Cross-sectional study involving 128 stressed office workers.
- Recruitment via Brief Job Stress Questionnaire.
- Measurement of salivary interleukin-6 (sIL-6) levels and analysis of occupational, symptomatic, and lifestyle factors.
Main Results:
- Elevated sIL-6 was significantly associated with increased fatigue and higher vigor.
- Higher qualitative job overload was significantly associated with elevated sIL-6.
- Data-driven analysis confirmed a significant link between elevated sIL-6 and fatigue.
Conclusions:
- Fatigue may be a key symptom reflecting chronic stress-induced inflammation.
- Self-monitoring fatigue is crucial for early intervention in stressed populations.
- Inflammation-based stress management strategies show potential for preventing stress-related illnesses.
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