Prof. Cheng Qijin

Prof. Cheng Qijin, Emily


Assistant Professor

BPhil (Peking University); MA (Tsinghua University); PhD (HKU) 3943 7557


Research Interests

  • Suicide prevention
  • Mental health promotion
  • Media studies
  • Information and communication technology (ICT)
  • Migrant domestic workers


Curriculum Vitae

Click Here


Selected Publications


  • Cheng Q.* & Vicera C. (2022). Online peer-support group’s role in addressing Filipino domestic workers’ social support needs: content and social media metrics analysis. International Journal of Environmental Research and Public Health. 19, 9665.
  • Cheng Q.*, Seko, Y., Niederkrotenthaler, T. (2022). The role of media in suicide and self harm: Cross-disciplinary perspectives. Frontiers in Psychology. 13:932117.
  • Cheng Q. & Lui C. (2021). Applying Text Mining Methods to Suicide Research. Suicide and Life-Threatening Behavior. 51(1):137-147. 
  • Cheng Q., Zhang X., Lui C. &Yip P.S.F. (2020). Suicide Research in Mainland China, Hong Kong, and Macao in Three Decades: A Scoping Review. Crisis: Journal of Crisis Intervention and Suicide Prevention. Advance online publication.
  • Cheng Q., & Yom-Tov E. (2019). Do search engine helpline notices aid in preventing suicide? An analysis of archival data. Journal of Medical Internet Research. 21(3):e12235. doi: 10.2196/12235.
  • Cheng Q., Shum A.K.Y., Ip F.W.L., Wong H.K., Yip W.K.K., Kam A.H.L., & Yip P.S.F. (2019). Co-creation of a suicide prevention video and its impacts: A case study of a YouTube short film on youth suicide prevention. Crisis: The Journal of Crisis Intervention and Suicide Prevention. doi: 10.1027/0227-5910/a000593
  • Gao J., Cheng Q.*#, & Yu P.L.H. (2019). Detecting comments showing risk for suicide in YouTube. In K. Arai et al. (Eds.): Proceedings of the Future Technologies Conference, AISC 880, pp. 385–400, 2019. Springer, Cham. doi: 10.1007/978-3-030-02686-8_30
  • Peng C., Kwok C.L., Law Y.W., Yip P.S.F., Cheng Q.* (2019). Intergenerational support, satisfaction with parent-child relationship and elderly parents’ life satisfaction in Hong Kong. Aging & Mental Health, 23(4), 428-438. doi: 10.1080/13607863.2017.1423035.
  • Cheng Q., Chen F., Lee E., Yip P.S.F. (2017). The role of media in preventing student suicides: A Hong Kong experience. Journal of Affective Disorders. Online ahead published on Nov 8, 2017. doi:
  • Cheng Q.*, Li T.M.H., Kwok C.L., Zhu T., Yip P.S.F. (2017). Assessing suicide risk and emotional distress in Chinese social media: A text mining and machine learning study. Journal of Medical and Internet Research. 19(7):e243. doi: 10.2196/jmir.7276.
  • Cheng Q.*, Kwok C.L., Cheung F.T., & Yip P.S.F. (2017). Construction and validation of the Hong Kong Altruism Index (A-Index). Personality and Individual Differences, 113:201-208.
  • Yip P.S.F., Cheng Q., Chang S.-S., Lee E., Chen F., Law F., Cheng E., Chiu S.M., Cheung K.W.R., Tse M.L., Morgon P.R., Beh P. (2017). A public health approach in responding to the spread of helium suicide in Hong Kong: A Case report. Crisis: The Journal of Crisis Intervention and Suicide Prevention. doi: 10.1027/0227-5910/a000449.
  • Cheng Q.*, Chang S.-S., Guo Y., Yip P.S.F. (2015). Information accessibility of the charcoal burning suicide method in mainland China. PLoS ONE. 10(10):e0140686. doi: 10.1371/journal.pone.0140686.
  • Cheng Q.*, Kwok C.L., Zhu T., Guan L., Yip P.S. (2015). Suicide communication on social media and its psychological mechanisms: An examination of Chinese microblog users. International Journal of Environmental Research and Public Health, 12(9):11506–11527. doi: 10.3390/ijerph120911506.
  • Cheng Q.*, Li H., Silenzio V., Caine E.D. (2014). Suicide contagion: A systematic review of definitions and research utility. PLoS ONE. 9(9):e108724. doi:10.1371/journal.pone.0108724.
  • Cheng Q., Fu K.-W., Caine E., & Yip P.S.F. (2014). Why do we report suicides and how can we facilitate suicide prevention efforts? Perspectives from Hong Kong media professionals. Crisis: the Journal of Crisis Intervention and Suicide Prevention. 35(2):74-81.
  • Cheng Q., & Yip P.S.F. (2012) Suicide news reporting accuracy and stereotyping in Hong Kong. Journal of Affective Disorders. 141(2-3): 270-275.
  • Cheng Q., Chang S.-S., & Yip P.S.F. (2012). The opportunities and challenges of online data collection for suicide prevention. Lancet. 26 May; 389(9830):e53-54.
  • Cheng Q.* (2012). Are Internet service providers responsible for suicide pacts made on their networks? British Medical Journal. 344 doi: 10.1136/bmj.d2113.
  • Cheng Q., Chen F., & Yip P.S.F. (2011). The Foxconn suicides and their media prominence: Is the Werther Effect also applicable in China? BMC Public Health. 11: 841. doi: 10.1186/1471-2458-11-841.
  • Cheng Q., Fu K.-W., & Yip P.S.F. (2011). A Comparative Study of Online Suicide-Related Information in Chinese and English. Journal of Clinical Psychiatry. 72(3): 313-319.

(*As corresponding author; #As equal first author)