Abstract
It has been revealed that prolonged shelter life caused by Fukushima Daiichi Nuclear Power Station accident in conjunction with the Great East Japan Earthquake influences sleep and mental health of the residents, and therefore its influence on their physical and emotional health has become a concern. Therefore, in this study, the authors aimed at clarifying actual situations of sleep and stress of middle age males living in shelters for a long period in each of emergency temporary houses and post-earthquake public houses. For 5 males who moved from emergency temporary houses to post-earthquake public houses, their objective and subjective sleep states were measured with Actigraph and PSQI, respectively. Furthermore, their objective and subjective stresses were measured with saliva stress biomarkers and GHQ28, respectively. Their data were analyzed by paired t-test. As result, in comparison between the life in the emergency temporary houses and post-earthquake public houses, significant variation was not recognized in their objective sleep states and saliva stress biomarkers though their subjective sleep and subjective stress were significantly worsened after moving to the post-earthquake public houses.
Highlights
A number of people are living as evacuees in emergency temporary houses, leased houses, post-earthquake public houses and so on even due to the Great East Japan Earthquake and Tokyo Electric Fukushima Daiichi Nuclear Power Station accident in conjunction with it [1]
For 5 males who moved from emergency temporary houses to post-earthquake public houses, their objective and subjective sleep states were measured with Actigraph and PSQI, respectively
In comparison between the life in the emergency temporary houses and post-earthquake public houses, significant variation was not recognized in their objective sleep states and saliva stress biomarkers though their subjective sleep and subjective stress were significantly worsened after moving to the post-earthquake public houses
Summary
A number of people are living as evacuees in emergency temporary houses (hereinafter called temporary house), leased houses, post-earthquake public houses (hereinafter called post-earthquake house) and so on even due to the Great East Japan Earthquake and Tokyo Electric Fukushima Daiichi Nuclear Power Station accident (hereinafter called nuclear disaster) in conjunction with it [1]. “The total number of suicides related to the Great East Japan Earthquake” reported by the Office for Policy of Suicide Prevention of Ministry of Health, Labour and Welfare [4] is 56 in 2015, 4 years after the disaster, and by prefecture, 31 in Fukushima (55.4%), 13 in Miyagi (23.2%) and 12 in Iwate (21.4%), suggesting that Fukushima accounts for majority. By gender, it is 37 in males (66.1%) and 19 in women (33.9%), suggesting that males account for over two-thirds. This time, aiming at clarifying how the long-term evacuation life caused by the nuclear station accident influence the sleep and stress of late middle age males, the authors measured objective sleep state, Objective stress conditions with Actigraph and noninvasive saliva stress biomarkers, respectively, and subjective sleep and stress by questionnaire
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