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- Title
Autonomic nervous activity changes in relation to the reporting of subjective symptoms among male workers in an information service company.
- Authors
Karita, Kanae; Nakao, Mutsuhiro; Nishikitani, Mariko; Nomura, Kyoko; Yano, Eiji
- Abstract
Objectives: The objective of the study was to clarify the relationship between major subjective symptoms and autonomic nervous system function by power spectral analysis of heart rate variability (HRV). Methods: Short-term HRV was examined for 413 male workers in a Japanese information service company aged 19–45 years, and questionnaire survey on subjective symptoms and biochemical measurements were conducted at annual health checkup. Results: The most prevalent subjective symptom (≥10%) was dullness, followed by fatigue, backache, diarrhea, sleep disorder, and irritation. HRV in high frequency (HF 0.15–0.40 Hz) bands and the coefficient of variance in the electrocardiographic R-R interval (CVrr) were lower in the subjects with any of these six symptoms than in those without the symptoms. Both parameters were negatively associated with the reporting of any of the six symptoms by multiple regression analyses, controlling for the significant effects of age (HF and CVrr) and plasma cortisol levels (HF). Conclusion: It was suggested that the reporting of the subjective symptoms is one of good predictors for reduced parasympathetic tones.
- Subjects
JAPAN; AUTONOMIC nervous system; HEART rate monitoring; HEART rate monitors; INDUSTRIAL hygiene; SYMPTOMS; PARASYMPATHETIC nervous system; OCCUPATIONAL disease diagnosis; OCCUPATIONAL disease reporting
- Publication
International Archives of Occupational & Environmental Health, 2006, Vol 79, Issue 5, p441
- ISSN
0340-0131
- Publication type
Article
- DOI
10.1007/s00420-005-0062-7