Seishin Igaku Volume 60, Issue 7 (July 2018)
Japanese

Assessment of the Effect of Sleep Disturbance and Occupational Stress on the Stress Response Akiyoshi Shimura 1,2,3,4 , Tomoko Tanaka 2 , Shohei Misaki 2 , Ko Sugiura 4,5 , Kotaro Oono 1 , Taito Hayashida 1 , Yoko Komada 6 , Yoshikazu Takaesu 7 , Yuji Furui 8 , Takeshi Inoue 1 1Department of Psychiatry, Tokyo Medical University 2Occupational Health Team, Tokyo Sakurajyuji Medical Corporation 3Kanno Hospital 4Department of R & D, Children and Future Co., Ltd. 5Graduate School of Economics, Keio University 6Liberal Arts, Meiji Pharmaceutical University 7Department of Neuropsychiatry, Kyorin University School of Medicine 8Jichi Medical University Keyword: Stress check , Life style , Sleep , Stress reaction , Health promotion pp.783-791
Published Date 2018/7/15
DOI https://doi.org/10.11477/mf.1405205641
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 Introduction:Japan's law on mental stress management at the workplace(i.e., Stress Check System)was enacted in 2015. The Brief Job Stress Questionnaire(BJSQ)is the commonly used method to implement this program. The questionnaire examines occupational stressors, social support systems, and mental and physical stress responses. On the other hand, not only occupational factors, but sleep also affects the overall health of a worker in different ways. Thus, sleep may be an important factor affecting stress responses other than occupational factors. Here, we analyzed the effects of occupational stressors, social support systems(or lack thereof), and sleep disturbances on stress responses in a group of Japanese workers.

 Methods:In 2016, the Stress Check was performed among Japanese employees from 10 business establishments. Of these employees, 884 agreed to share their data for academic research purposes and the results obtained were subsequently analyzed for this study. The questionnaires used were the 57-item BJSQ and the Pittsburgh Sleep Quality Index(PSQI)and based on these, associations among sleep disturbances with the stress response score(B score), the occupational stressor score(A score), and the social support system score(C score)were examined.

 Results:Occupational stressors and social support systems accounted for 14.5% to 16.6% of sleep disturbances. Sleep disturbances accounted for 36.9% of all stress responses. In addition, all the underlying physiology of stress responses, such as lack of vigor, irritability, fatigue, anxiety, depressive mood, and physical symptoms were significantly associated with sleep disturbances. The structural equation modeling(SEM)revealed that sleep disturbances directly affect stress responses. Occupational stressors and social support systems affect stress responses directly and indirectly through sleep disturbances. Overall, sleep disturbances had the largest total effect on stress responses. This SEM model accounted for 55% of the variability that occurs in stress responses.

 Conclusions:Sleep is an important factor for regulating stress responses, together with occupational stressors and social support systems. Sleep hygiene intervention and treatment for sleep disturbances are will be common stress management approaches that can be implemented if the occupational environment of the employees cannot be immediately improved.


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基本情報

04881281.60.7.jpg
精神医学
60巻7号 (2018年7月)
電子版ISSN 1882-126X 印刷版ISSN 0488-1281 医学書院

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