Epidemiological study on the relationship between psychosocial job characteristics and insomnia

• Project/Area Number: 19790427
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Public health/Health science
• Research Institution: Fujita Health University
• Principal Investigator: OTA Atsuhiko Fujita Health University, 医学部, 講師 (80346709)
• Project Period (FY): 2007 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥2,550,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥150,000); Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000); Fiscal Year 2007: ¥1,900,000 (Direct Cost: ¥1,900,000)
• Keywords: 職業性心理的ストレス / 不眠 / 前向きコホート研究 / スクリーニング / アクティウォッチ / コホート研究 / 疫学 / 質問紙調査

Research Abstract

不眠の維持・新規発症に関連する職業性心理的ストレスを明らかにするため、前向きコホート研究を実施した。上司・同僚からの乏しい支援や仕事に費やす努力に比して報酬が低いことが不眠の維持の危険因子となること、および、仕事の裁量度に比して要求度が高い状態や過度に仕事に傾注する状態は不眠の新規発症の危険因子となることが示された。また、並行して行った実験的研究からは、不眠の自己評価の信頼性・妥当性が比較的良好なこともわかった。

Research Products

• [Journal Article] Psychosocial job characteristics and insomnia : a prospective cohort study using two relevant job stress models? the Demand-Control-Support (DCS) and Effort-Reward Imbalance (ERI) models (2009)
  • Author(s): Ota A, Masue T, Yasuda N, Tsutsumi A, Mino Y, Ohara H, Ono Y
  • Journal Title: Sleep Medicine (in press)
  • Peer Reviewed
• [Journal Article] Psychosocial job characteristics and insomnia : a prospective cohort study using two relevant job stress models-the Demand-Control-Support (DCS) and Effort-Reward Imbalance (ERI) models
  • Author(s): Ota A, Masue T, Yasuda N, Tsutsumi A, Mino Y, Ohara H, Ono Y
  • Journal Title: Sleep Medicine (in press)
  • Peer Reviewed
• [Presentation] Prospective effects of psychosocial job stress on insomnia among middle-aged workers (2008)
  • Author(s): Ota A, Masue T, Yasuda N, Tsutsumi A, Mino Y, Ohara H, Ono Y
  • Organizer: The 11th Congress of the ASEAN Federation for Psychiatry and Mental Health
  • Place of Presentation: Bangkok, Thailand
• [Presentation] Prospective effects of psychosocial job stress on insomnia among middle-aged workers (2008)
  • Author(s): Ota A, Masue T, Yasuda N, Tsutsumi A, Mino Y, Ohara H, Ono Y
  • Organizer: The 11^<th> Congress of the ASEAN Federation for Psychiatry and Mental Health
  • Place of Presentation: バンコク
• [Presentation] 中高年労働者における過去の仕事への過度の傾注(オーバーコミットメント)と将来の不眠有症の関連 (2007)
  • Author(s): 太田充彦、益江毅、安田誠史、堤明純、三野善央、大原啓志
  • Organizer: 第80回日本産業衛生学会
  • Place of Presentation: 大阪
• [Presentation] Repeated complaints of insomnia among middle-aged Japanese workers (2007)
  • Author(s): Ota A, Masue T, Yasuda N, Tsutsumi A, Mino Y, Ohara H
  • Organizer: The 18th Japan-China-Korea Joint Conference on Occupational Health
  • Place of Presentation: Nagoya, Japan
• [Presentation] Does overcommitment to work cause repeated complaints of insomnia in the future? (2007)
  • Author(s): Ota A, Yasuda N
  • Organizer: The 2007 Joint Scientific Meetings of the Australian Epidemiological Association and International Epidemiological Association ? Western Pacific Region
  • Place of Presentation: Hobart, Australia