• Maiko Fukasawa, Norito Kawakami, Maki Umeda, Tsuyoshi Akiyama, Naoko Horikoshi, Seiji Yasumura, Hirooki Yabe, Yuriko Suzuki, and Evelyn J Bromet.
• Department of Mental Health, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
• Soc Sci Med. 2020 Aug 1; 258: 113108.

AbstractWe aimed to explore the effects of erosion of trust in authorities on the long-term mental health of community residents after the 2011 Fukushima nuclear power plant accident in Japan. We investigated the effects of distrust in authorities on mental health in a cohort study following non-evacuee community residents after the 2011 Fukushima nuclear power plant accident. A baseline questionnaire survey was administered five years after the accident for a random sample of 4900 residents outside the evacuation zone in Fukushima. Distrust in the national government and in science were assessed using a four-point single-item scale. Psychological distress was measured using the K6. Posttraumatic stress symptoms were measured using an abbreviated version of the Posttraumatic Stress Disorder Checklist-Specific version. Longitudinal associations of distrust in the government and science at baseline and psychological distress and posttraumatic stress symptoms eight years after the accident were examined, controlling for the baseline level of distress or symptoms using multivariate logistic regression analyses. Valid responses were obtained from 927 (18.9%) residents. Distrust in the government at baseline was significantly associated with posttraumatic stress symptoms at follow-up, albeit controlling for baseline symptoms. While distrust in the government was also associated with psychological distress at follow-up, the association became non-significant after controlling for baseline distress. Distrust in science at baseline was not associated with posttraumatic stress symptoms or psychological distress at follow-up. Distrust in government after a nuclear power plant accident may have adverse effects on mental health in the long-term.Copyright © 2020. Published by Elsevier Ltd.

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