ArticleInternational journal of disaster risk reduction : IJDRR2026
Can pre-disaster community resilience enhance post-disaster recovery among older adults? A natural experiment in Iwanuma City after the 2011 Great East Japan Earthquake and Tsunami.
Article in International journal of disaster risk reduction : IJDRR, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
As large-scale disasters occur more frequently worldwide, understanding how pre-disaster community resilience influences post-disaster recovery has become imperative for disaster risk-reduction policy and practice. This study investigated whether pre-disaster community resilience helped explain post-disaster subjective recovery following the 2011 Great East Japan Earthquake and Tsunami. We conducted a baseline survey of older residents in Iwanuma City in 2010 and a follow-up survey 2.5 years after the disaster, yielding an analytic sample of 3523 respondents nested within 98 districts. Ten resilience indicators reflecting social capital and economic development were measured at both individual and community levels before the disaster. Using multilevel logistic regression models, we examined the association between these indicators and two outcomes: self-reported recovery of daily life and perceived recovery of the neighborhood. Housing damage, bereavement, and high community-level housing destruction substantially reduced the participants' perceived recovery. Pre-disaster community-level social participation was significantly associated with better recovery of individual daily life, whereas local activities and interactions mitigated the negative impact of severe housing damage. By contrast, respondents with severe damage living in districts with higher pre-disaster evaluations of administrative services reported poorer neighborhood recovery. This natural experimental evidence demonstrates that community environments characterized by high social participation and frequent local interactions before a disaster foster more favorable recovery perceptions. The findings provide prospective evidence on the associations between the selected community resilience indicators and post-disaster recovery, and highlight the importance of strengthening social connectedness in ordinary times as a practical strategy for enhancing disaster resilience.
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