Association of self-rated health with inflammatory markers among nursing home employees

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  • Inoue Yukiko
    Graduate School of Medicine, International University of Health and Welfare Institutional Research Center, University of Occupational and Environmental Health, Japan
  • Nakata Akinori
    Graduate School of Medicine, International University of Health and Welfare
  • Kurioka Sumiko
    St. Andrew’s University of Education
  • Nagata Tomohisa
    Department of Occupational Health Practice and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan
  • Mori Koji
    Department of Occupational Health Practice and Management, Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health, Japan

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Other Title
  • 介護施設従業員における主観的健康感と炎症マーカーの関連
  • カイゴシセツ ジュウギョウイン ニ オケル シュカンテキ ケンコウカン ト エンショウ マーカー ノ カンレン

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Abstract

<p>Objectives: Although self-rated health (SRH), the self-evaluation of one’s own health status, has been reported to be associated with the immune status, the relationship between three different SRH measures (global, self-comparative, and age-comparative) with inflammatory markers as well as the relative strength of these associations by age are not well understood. The current study investigated the associations between SRH measures and inflammatory markers among nursing home employees. Methods: A sample of 120 Japanese employees at a nursing home (90 women and 30 men), aged 21–68 years (mean, 40.9 years), underwent a blood test for the measurement of inflammatory markers (interferon-γ, interleukin [IL]-4, IL-6, and tumor necrosis factor [TNF]-α, white blood cell count) and SRH during the annual health checkup. Multiple regression analysis adjusted for covariates was performed to analyze the relationship between inflammatory markers and SRH measures stratified by age, that is, aged < 40 years (younger age group) and 40 years and over (older age group). Results: Among the participants aged 40 years and over, poor global SRH was significantly associated with an increase in IL-6, while poor age-comparative SRH was significantly associated with an increase in TNF-α among participants aged < 40 years in the fully adjusted model controlling for potential confounders. Age-comparative SRH was also significantly associated with an increase in IL-6 among all participants. Self-comparative SRH was not significantly associated with inflammatory markers. Conclusions: Our results suggest that three SRH measures are not equivalently associated with inflammatory markers, especially when the analyses were performed separately for the younger and older populations. This implies that not only differences in forms of SRH but also in age modify the relationship between SRH and inflammatory markers.</p>

Journal

  • SANGYO EISEIGAKU ZASSHI

    SANGYO EISEIGAKU ZASSHI 63 (4), 117-128, 2021-07-20

    Japan Society for Occupational Health

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