On the direct and indirect effects of the Great East Japan earthquake on self rated health through social connections: Mediation analysis |
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| Affiliation: | 1. Ryutsu Keizai University, Chiba, Japan;2. Doctoral Institute for Evidence Based Policy, Tokyo, Japan;3. Tohoku University Graduate School of Dentistry, Department of International and Community Oral Health, Sendai, Japan;4. Chiba University, Center for Preventive Medical Sciences, Chiba, Japan;5. Harvard T. H. Chan School of Public Health. Department of Social and ‘Behavioral Sciences, Boston, USA;1. Japan Center for Economic Research, Japan;2. Graduate School of Social Sciences, Tokyo Metropolitan University, Japan;3. Consumer Affairs Agency, Government of Japan, Japan;1. Graduate School of International Studies, Seoul National University, Republic of Korea;2. Economic Research Institute, The Bank of Korea, Republic of Korea;1. Department of Health and Social Behavior, School of Public Health, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, Japan;2. Ministry of Health, Labour and Welfare, 1-2-2 Kasumigaseki, Chiyoda-ku, Tokyo, Japan;3. Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA, USA;4. Center for Community-Based Research, Dana-Farber Cancer Institute, 375 Longwood Avenue, Boston, MA, USA;5. McCann Public Health, McCann Healthcare Worldwide Japan, Inc., 1-1-1 Minami-Aoyama, Minato-ku, Tokyo, Japan;6. Department of Social Preventive Medical Sciences, Center for Preventive Medical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, Chiba, Japan;7. Department of Gerontological Evaluation, Center for Gerontology and Social Science, National Center for Geriatrics and Gerontology, 7-430 Morioka-cho, Obu-city, Aichi, Japan;8. Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University, 2-2 Yamadaoka, Suita-shi, Osaka, Japan;9. Department of Health Policy and Management, Harvard T.H. Chan School of Public Health, 677 Huntington Avenue, Boston, MA, USA |
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| Abstract: | The Great East Japan Earthquake created health hazards for many people. Using Panel Data gathered in Iwanuma city, Japan, at two points in time (in 2010 before the quake, and in 2013 after the quake), we found that the high degree of housing damage negatively affected victims’ self rated health (SRH) (direct effect), and decreased the levels of their social connections, which in turn also had a harmful effect on their SRH (indirect effect). We also found that although the direct impacts of earthquakes disappear relatively quickly, the harmful indirect effects associated with a decrease in social connections are slower to dissipate. We conducted a first-difference two-step GMM estimation to consider the possible problem of endogeneity. The results support the above conclusion, and show that in the short-term, the indirect impacts of the earthquake accounted for 55 % of all the impacts experienced. |
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| Keywords: | Self rated health Social connections Earthquake Disaster Mediation analysis |
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