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Long-term impact of the 2011 Great East Japan Earthquake and tsunami on functional disability among older people: A 3-year longitudinal comparison of disability prevalence among Japanese municipalities

Author

Listed:
  • Tomata, Yasutake
  • Suzuki, Yoshinori
  • Kawado, Miyuki
  • Yamada, Hiroya
  • Murakami, Yoshitaka
  • Mieno, Makiko Naka
  • Shibata, Yosuke
  • Ojima, Toshiyuki
  • Hashimoto, Shuji
  • Tsuji, Ichiro

Abstract

It has been unclear whether the prevalence of disability is higher in an area affected by natural disaster than in other areas even if more than one year has passed since the disaster. The aim of this ecological study was to examine whether the rate of increase in disability prevalence among the older population was higher in disaster-stricken areas during the 3 years after the Great East Japan Earthquake (GEJE) and tsunami. This analysis used public Long-term Care Insurance (LTCI) data covering 1570 municipalities. “Disaster areas” were considered to be the three prefectures most affected by the earthquake and tsunami: Iwate, Miyagi, and Fukushima. The outcome measure was the number of aged people (≥65 years) with LTCI disability certification. Rates of change in disability prevalence from January 2011 to January 2014 were used as the primary outcome variable, and compared by analysis of covariance between “coastal disaster areas”, “inland disaster areas” and “non-disaster areas”. The mean rate of increase in disability prevalence in coastal (14.7%) and inland (10.0%) disaster areas was higher than in non-disaster areas (6.2%) (P < 0.001). During the 3 years after the earthquake, the increase of disability prevalence from before the GEJE continued to be higher in the disaster-stricken areas.

Suggested Citation

  • Tomata, Yasutake & Suzuki, Yoshinori & Kawado, Miyuki & Yamada, Hiroya & Murakami, Yoshitaka & Mieno, Makiko Naka & Shibata, Yosuke & Ojima, Toshiyuki & Hashimoto, Shuji & Tsuji, Ichiro, 2015. "Long-term impact of the 2011 Great East Japan Earthquake and tsunami on functional disability among older people: A 3-year longitudinal comparison of disability prevalence among Japanese municipalitie," Social Science & Medicine, Elsevier, vol. 147(C), pages 296-299.
    • Handle: RePEc:eee:socmed:v:147:y:2015:i:c:p:296-299
    DOI: 10.1016/j.socscimed.2015.11.016
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    Cited by:

    1. Sands, Laura P. & Do, Quyen & Du, Pang & Xu, Yunnan & Pruchno, Rachel, 2022. "Long term impact of Hurricane Sandy on hospital admissions of older adults," Social Science & Medicine, Elsevier, vol. 293(C).
    2. Tsuboya, Toru & Aida, Jun & Hikichi, Hiroyuki & Subramanian, S.V. & Kondo, Katsunori & Osaka, Ken & Kawachi, Ichiro, 2017. "Predictors of decline in IADL functioning among older survivors following the Great East Japan earthquake: A prospective study," Social Science & Medicine, Elsevier, vol. 176(C), pages 34-41.

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