Ryo Murata, Daisuke Tokuda, Masashi Kiguchi, Keigo Noda, Taikan Oki

Received 6 January, 2023
Accepted 12 June, 2023
Published online 18 August, 2023

Ryo Murata¹⁾, Daisuke Tokuda²⁾, Masashi Kiguchi¹⁾, Keigo Noda³⁾, Taikan Oki¹⁾

1) Graduate School of Engineering, The University of Tokyo, Japan
2) The Center for Ocean-Land-Atmosphere Studies, George Mason University, The United States of America
3) Graduate School of Agricultural and Life Sciences, The University of Tokyo, Japan

There is a need to consider people’s welfare when formulating policies, where subjective well-being is a proxy for welfare. Although it is important to elucidate the mechanisms underlying the decline in subjective well-being associated with flood experience when making policy, this has not been studied in detail. Therefore, this study sought to clarify the relationship between flood experience and subjective well-being, focusing on anxiety about floods. We conducted an online questionnaire in Tochigi Prefecture, Japan and analyzed the results of 2,630 respondents. Mediation analysis revealed that flood experience does not have a direct effect on subjective well-being (p < 0.05) but exerts a negative effect through anxiety about floods. The same was true when only people with recent flood experience were analyzed. This study suggests methods for restoring subjective well-being to its original level after a flood, such as managing anxiety about floods.

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