Effects of an internet-based cognitive behavioral therapy intervention on preventing depression among workers: a randomized controlled trial
| Project/Area Number |
26860433
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Multi-year Fund |
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| Research Field |
Hygiene and public health
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| Research Institution | The University of Tokyo |
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Principal Investigator |
Imamura Kotaro 東京大学, 大学院医学系研究科(医学部), 特任助教 (80722793)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2016: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | うつ病 / 予防 / インターネット認知行動療法 / 労働者 / 産業精神保健 |
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| Outline of Final Research Achievements |
The purpose of this study was to examine the effects of the iCBT program on improving subthreshold depression using a randomized controlled trial (RCT) design among workers employed in private companies in Japan. All of the workers in a corporate group (n=20,000) were recruited by an invitation e-mail. Participants who fulfilled the inclusion criteria were randomly allocated to intervention or control groups (N = 353 for each group). The intervention group studied the iCBT program at a frequency of one lesson per week. Depression (Beck Depression Inventory II; BDI-II) and psychological distress (K6) were assessed at baseline, three-, six- and 12-month follow-ups for both intervention and control groups. The iCBT program showed a significant intervention effect on BDI-II and K6. The iCBT program may be useful for improving subthreshold depressive symptoms among healthy workers.
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Report
(4 results)
Research Products
(11 results)
