SUEKI Hajime

J-GLOBAL         Last updated: Oct 7, 2019 at 16:09
SUEKI Hajime
Wako University
Faculty of Human Sciences Department of Psychology and Education
Job title
Senior Assistant Professor
Ph.D.(Graduate School of Education, University of Tokyo)
Research funding number


Hajime Sueki is Associate Professor in the Faculty of Human Sciences at Wako University, Tokyo, Japan. He is a qualified clinical psychologist. His research interest includes suicide prevention using the Internet, willingness to pay for psychotherapy and suicide prevention, and iCBT.

Research Areas


Published Papers

Development of a short form of the suicidal ideation scale
Sueki H
39(2) 94-101   2019   [Refereed]
Sueki H
Psychology, Health & Medicine      2018   [Refereed]
Previous studies have shown that high income was associated with low risk of death by suicide; however, the extent to which household income reduces suicidal ideation remains unclear. We performed a survey to examine the relationship between annua...
Sueki H, et al.
Crisis   39(3) 197-204   2018   [Refereed]
Background: Gatekeeper training is an effective suicide prevention strategy. However, the appropriate targets of online gatekeeping have not yet been clarified. Aim: We examined the association between the outcomes of online gatekeeping using the ...
Sueki H
Psychology, Health & Medicine   23(5) 532-540   2018   [Refereed]
Many individuals show negative attitudes toward the use of taxes for suicide prevention. Activities that enhance knowledge and awareness of suicide and suicide prevention may increase willingness to pay (WTP) for suicide prevention. WTP is the amo...
Sueki H
   2018   [Refereed]
In high school baseball games, choosing when to bat influences the likelihood of winning, teams batting second having a significantly higher winning percentage. Three hypotheses can be considered for explaining this trend: the weaker school choose...
Sueki H
Psychology, Health & Medicine   23(9) 1046-1053   2018   [Refereed]
In Japan, implementation of suicide prevention policies is mainly supported by public funds. However, it is unclear what kinds of suicide prevention strategies people prefer. We conducted a survey to clarify people’s preferences regarding suicide ...
Sueki H
Psychology, Health & Medicine   22(9) 1072-1081   2017   [Refereed]
There are gaps in our knowledge of the role attitudes toward suicide play in determining people’s willingness to participate (WTP) for suicide prevention. We conducted a large nationwide cross-sectional study with the aim of clarifying the relatio...
Sueki H
32(2) 48-54   2017   [Refereed]
In this study, we reexamined the reliability and validity of suicidal ideation scale, which is one of the scales to measure suicidal ideation available in Japanese. As a result of a two-wave panel survey conducted at three month intervals using th...
Sueki Hajime
Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences)   62(1) 289-295   2017   [Refereed]
Baseball is a thriving sport in Japanese high schools. However, there have been demands to shorten the instructional time for school extracurricular activities, resulting in a need to increase the effectiveness of such instruction. The present stu...
末木 新
自殺予防と危機介入   37(2) 35-41   2017   [Refereed]


Sueki H
Japanese Journal of Mental Health   34(1) 16-21   Aug 2019   [Invited]
SUEKI Hajime, ITO Jiro
和光大学現代人間学部紀要 = Bulletin of the Faculty of Human Studies   (12) 7-16   Mar 2019
Background: Studies focused on gratitude as a suicide prevention strategy that strengthens protective factors are increasing. However, previous studies did not examine the relationship between the actual occurrence of gratitude behavior and its su...
Sueki H, et al.
Journal of Japanese Association of Psychiatric Hospitals   37(6) 573-577   Jun 2018   [Invited]
Sueki H et al.
32    Nov 2017
In this study, we examined how the outcomes of online gatekeepers activities (which are used in search advertising) were associated with the characteristics of persons seeking counseling and the behaviors of supporters. Online gatekeeper activitie...
末木 新, 他
臨床精神医学   45(10) 1253-1258   Oct 2016

Research Grants & Projects