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Resilience model of PTG to improve QoL following a disaster

Research Project

Project/Area Number 17K12622
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field 震災問題と人文学・社会科学
Research InstitutionChuo University

Principal Investigator

Kyutoku Yasushi  中央大学, 研究開発機構, 機構准教授 (70569706)

Co-Investigator(Kenkyū-buntansha) 檀 一平太  中央大学, 理工学部, 教授 (20399380)
山科 満  中央大学, 文学部, 教授 (40306957)
Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2019: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords災害 / 心理的適応 / PTG / PTS / PTE / 多変量分析 / 機械学習 / 地震 / 自然災害 / Trajectory / 分類 / 予測 / 熊本地震(2016年) / Finite Mixture Model / 心理的適応モデル / 東日本大震災 / 地震災害 / Quality of life / Posttrauatic growth
Outline of Final Research Achievements

Based on the model that the researchers in this project, we aimed to enhance quality of life (QoL) through improvements in Posttraumatic growth (PTG) following the potentially traumtic event (PTE). In 2017 and 2018, we found the existence of illusory PTG group by examining PTG trajectory patterns. In 2019, we also found that illusory PTG menbership is associated with lowered state of QoL. In 2020, we published the findings above in Journal of Traumatic Stress. Finally, we developed a method to predict illusory PTG trajectory membership. These findings contributed to find out existence of multiple PTG trajectory patterns and its relationship with QoL. Also, the findings suggested the importance of eraly intervention.

Academic Significance and Societal Importance of the Research Achievements

時間の経過に伴いPTGが減少する偽性PTG群特有の時系列パターンが存在することが明らかになった。また、偽性PTG群はQoLが下がることが明らかになった。さらに、偽性PTG群の予測が可能になり、今後はトラウマを受けた後、早期に介入策の検証をすることが可能になった。これらにより、PTGの減少を早期に防ぐことで予後が向上しQoLが低下することを予防する可能性が高い。また、偽性PTG群の存在を明らかにすることにより、PTGには真の成長だけではなく偽性の成長も存在すると提唱しているJanus Face of PTG model of PTGが支持された。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (3 results)

All 2020 2018

All Journal Article (1 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 1 results,  Open Access: 1 results) Presentation (2 results) (of which Int'l Joint Research: 1 results,  Invited: 1 results)

  • [Journal Article] Trajectories of Posttraumatic Growth and Their Associations With Quality of Life After the 2011 Tohoku Earthquake and Tsunami2020

    • Author(s)
      Kyutoku Yasushi、Dan Ippeita、Yamashina Mitsuru、Komiyama Ren、Liegey‐Dougall Angela J.
    • Journal Title

      Journal of Traumatic Stress

      Volume: Online Issue: 3 Pages: 512-525

    • DOI

      10.1002/jts.22628

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Prediction on Trajectory of Psychological Reaction to the 2011 Tohoku Earthquake2020

    • Author(s)
      Ren Komiyama, Yasushi Kyutoku, Ippeita Dan
    • Organizer
      American Psychological Society Poster Showcase
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Posttraumatic growth and their relationships to Quality of Life following the 2011 Tohoku Earthquake and Tsunami: An Application of Finite Mixture Modeling2018

    • Author(s)
      久徳 康史
    • Organizer
      The University of Texas Rio Grande Valley, Guest Talk
    • Related Report
      2017 Research-status Report
    • Invited

URL: 

Published: 2017-04-28   Modified: 2022-01-27  

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