東京大学 · 心理学
Kotaro Imamura教授の研究室は、職場におけるメンタルヘルスの予防と向上を目的とした、インターネットを活用した認知行動療法（iCBT）の開発・効果評価を主な研究テーマとしています。特に、働く人々の仕事への関与（ワークエンゲージメント）や抑うつ障害の発症予測要因の解明に注力しており、発展途上国における看護職員のストレス管理プログラムの有効性についても国際的視点で研究を展開しています。心理的安全性の尺度開発や、文化的に適応された治療プログラム（例：マンガを用いたiCBT）の開発を通じて、実践的で持続可能なメンタルヘルス支援の仕組みを模索しています。
Figures are computed from collected data and may differ slightly.
UMIN Clinical Trials Registry UMIN000006210.
The present study demonstrates that an iCBT program is effective in preventing MDE in the working population. However, it should be noted that MDE was measured by self-report, while the CIDI can measure the episodes more strictly following DSM-IV criteria.
The present study first demonstrated work engagement as an important predictor of the onset of MDE diagnosed according to an internationally standard diagnostic criteria of mental disorders.
There are growing concerns on stress among nurses in low- and middle-income countries (LMICs) in South-East Asia. It is important to improve mental health among nurses in these countries. The objective of this study was to examine the efficacy of two types of newly developed smartphone-based stress management programs in improving depressive and anxiety symptoms among hospital nurses in Vietnam. This study was a three-arm (including two intervention groups and one control group) randomized trial
Objective: This study reported a randomized controlled trial of the effectiveness of an Internet-based cognitive behavioral therapy (iCBT) program on work engagement and secondary work-related outcomes. Methods: Participants who fulfilled the inclusion criteria were randomly allocated to an intervention or a control group (N = 381 for each). A 6-week, 6-lesson iCBT program using a Manga (Japanese comic) story was provided only to the intervention group. Work engagement was assessed at baseline a
The Japanese version of the measure of the psychological safety scale presented good reliability and validity. Psychological safety is important for employees' mental health and performance.
Combination of the annual stress survey and improvement in psychosocial work environment may have been effective in reducing psychological distress in workers, although the effect size was small.
UMIN000033139; Pre-results.
A web-based psychoeducation resource of mental health literacy and cognitive behavioral skills may be effective for improving work engagement among individual workers with low work engagement.
The UMIN Clinical Trials Registry (UMIN-CTR; ID = UMIN000014081 ). Registered 27 May 2014.
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