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402 Which stress-related factors affect the mental health of nuclear emergency workers over a long period?
  1. H Hiro1,
  2. A Hino1,
  3. K Mafune1,
  4. A Inoue2,
  5. J Shigemura3,
  6. M Yamada4,
  7. T Okubo4
  1. 1University of Occupational and Environmental Health, Japan, Kitakyushu, Japan
  2. 2Kitasato University School of Medicine, Japan
  3. 3National Defense Medical College
  4. 4Radiation Effect esearch Foundation


Introduction Fukushima Daiichi Nuclear Power Plant suffered serious damage the Great East Japan Earthquake and Tsunami of 2011. This study examines the association between mental health status and stress-related factors in the nuclear emergency workers 4–5 years after the disaster.

Methods In total, 1572 workers completed a self-administered questionnaire by mail. Mental health status was measured by the K6. The stress-related factors we evaluated life events, stress coping, sense of coherence, self-esteem, self-efficacy, resilience, social support, life satisfaction, job satisfaction and slanderous defamation. Multiple regression analysis was performed with the K6 score as the explained valuable and stress-related factors as the explanation valuables.

Result The K6 score was significantly high in the workers who had worked for a long period of time. It was also related to the scores of life events, stress coping, self-esteem, life satisfaction, work satisfaction and slanderous defamation. The slanderous defamation score most strongly related to the K6 score.

Discussion Long term follow-up is for nuclear emergency workers who work for long period of time, and slanderous defamation is one of the most important measures support the mental health of these workers

  • Stress
  • Nuclear accident
  • Mental health

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