Risk Factors of Suicide Ideation in Chinese Graduate Students: CHAID Tree Analysis

Hongxia ZHOU, Zhihuan WANG, Yanjing XU


The present study aims to identify the risk factors and develop a decision tree model of suicide ideation in Chinese graduate students. A chi-square automatic interaction detection tree analysis was conducted in a graduate students sample (N=1036). Measurements included University Personality Inventory (UPI), Symptom Checklist 90 (SCL-90), and Eysenck Personality Questionnaire (EPQ). Results showed that suicide incidence of Chinese graduate students was 1.15%, with males’ was higher than females. Seventeen potential variables were considered and only three of them (depression, obsession, and neuroticism) were found to be risk factors of suicide ideation in Chinese graduate students, and the interactions between them constructed a decision tree model. These findings should be helpful for school and mental health providers to detect graduate students with a high possibility of suicide ideation, which will aid in planning of early suicide intervention and prevention for at risk


Suicide ideation; Decision tree; Graduate students

Full Text:



Bertolote, J. M., & Fleischmann, A. (2002). Suicide rates in China. Lancet, 359(9325), 2274.

Bromet, E. J., Havenaar, J. M., Tintle, N., Kostyuchenko, S., Kotov, R., & Gluzman, S. (2007). Suicide ideation, plans and attempts in Ukraine: Findings from the Ukraine world mental health survey. Psychological Medicine, 37(6), 807-819.

Conklin, J. D. (1989). Applied logistic regression. Technometrics, 34(1), 358-359.

Derogatis, L. R., Lipman, R. S., & Covi, L. (1973). The SCL-90: An outpatient rating scale—Preliminary report. Psychopharmacology Bulletin, 9(1), 13-28.

Eysenck, H., & Eysenck, S. (1975). Manual of the Eysenck personality questionnaire. Journal of Cardiac Failure, 20(5), S67.

Fang, L., & Zhang, J. (2012). Suicidal characteristic-clusters for rural young victims aged 15-34 in three provinces, China: A case control study. Chin J Epidemiol, 33(3), 286-290.

Franses, D. P. H. (2006). Evaluating Chi-squared automatic interaction detection. Information Systems, 31(8), 814-831.

Garlow, S. J., Rosenberg, J., Moore, J. D., Haas, A. P., Koestner, B., Hendin, H., & Nemeroff, C. B. (2008). Depression, desperation, and suicidal ideation in college students: results from the American foundation for suicide prevention college screening project at Emory university. Depression & Anxiety, 25(6), 482-488.

Ibrahim, N., Amit, N., Che, D. N., & Ong, H. C. (2017). Gender differences and psychological factors associated with suicidal ideation among youth in Malaysia. Psychology Research & Behavior Management, 10, 129-135.

Kajita, M., Takahashi, T., Hayashi, K., Fukuharu, M., Sato, J., & Sato, Y. (2002). Self-esteem and mental health characteristics especially among lean students surveyed by University Personality Inventory. Psychiatry & Clinical Neurosciences, 56(2), 123-129.

Li, H., &Huang, Y. Q. (2009). Study on the related factors of suicide ideation among graduate students in national research institutions. China Journal of Health Psychology, 17(8), 963-966.

Mandelli, L., Nearchou, F. A., Vaiopoulos, C., Stefanis, C. N., Vitoratou, S., Serretti, A., & Stefanis, N. C. (2015). Neuroticism, social network, stressful life events: association with mood disorders, depressive symptoms and suicidal ideation in a community sample of women. Psychiatry Research, 226(1), 38-44.

Mościcki, E. K. (2001). Epidemiology of completed and attempted suicide: toward a framework for prevention. Clinical Neuroscience Research, 1(5), 310-323.

Pelkonen, M., Marttunen, M., Pulkkinen, E., Laippala, P., Aro, H., & Lönnqvist, J. (2000). Mood disorders and severe psychosocial impairment characterize adolescent suicidal female outpatients. Nordic Journal of Psychiatry, 54(3), 189-194.

Rotenstein, L. S., Ramos, M. A., Torre, M., Segal, J. B., Peluso, M. J., Guille, C., ... Mata, D. A. (2016). Prevalence of depression, depressive symptoms, and suicidal ideation among medical students: A systematic review and meta-analysis. Jama, 316(21), 2214.

Wilcox, H. C., Arria, A. M., Caldeira, K. M., Vincent, K. B., Pinchevsky, G. M., & O’Grady, K. E. (2010). Prevalence and predictors of persistent suicide ideation, plans, and attempts during college. Journal of Affective Disorders, 127(1-3), 287-294.

DOI: http://dx.doi.org/10.3968/9857


  • There are currently no refbacks.

Copyright (c) 2017 Canadian Social Science

Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.


  • How to do online submission to another Journal?
  • If you have already registered in Journal A, then how can you submit another article to Journal B? It takes two steps to make it happen:

1. Register yourself in Journal B as an Author

  • Find the journal you want to submit to in CATEGORIES, click on “VIEW JOURNAL”, “Online Submissions”, “GO TO LOGIN” and “Edit My Profile”. Check “Author” on the “Edit Profile” page, then “Save”.

2. Submission

Online Submissionhttp://cscanada.org/index.php/css/submission/wizard

  • Go to “User Home”, and click on “Author” under the name of Journal B. You may start a New Submission by clicking on “CLICK HERE”.
  • We only use four mailboxes as follows to deal with issues about paper acceptance, payment and submission of electronic versions of our journals to databases: caooc@hotmail.com; office@cscanada.net; ccc@cscanada.net; ccc@cscanada.org

 Articles published in Canadian Social Science are licensed under Creative Commons Attribution 4.0 (CC-BY).


Canadian Social Science Editorial Office

Address: 1020 Bouvier Street, Suite 400, Quebec City, Quebec, G2K 0K9, Canada.
Telephone: 1-514-558 6138 
Website: Http://www.cscanada.net; Http://www.cscanada.org 
E-mail:caooc@hotmail.com; office@cscanada.net

Copyright © Canadian Academy of Oriental and Occidental Culture