TY - JOUR T1 - 402 Which stress-related factors affect the mental health of nuclear emergency workers over a long period? JF - Occupational and Environmental Medicine JO - Occup Environ Med SP - A617 LP - A617 DO - 10.1136/oemed-2018-ICOHabstracts.1739 VL - 75 IS - Suppl 2 AU - H Hiro AU - A Hino AU - K Mafune AU - A Inoue AU - J Shigemura AU - M Yamada AU - T Okubo Y1 - 2018/04/01 UR - http://oem.bmj.com/content/75/Suppl_2/A617.1.abstract N2 - 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 ER -