Michael Yuxuan Ni (倪宇軒)
Clinical Associate Professor
Office: 2/F, Patrick Manson Building, School of Public Health
Phone: 3917 6776
Email: nimy@hku.hk



Dr Michael Ni joined the School of Public Health in 2012 and is currently Clinical Associate Professor in the Division of Community Medicine and Public Health Practice. He trained in internal medicine at Queen Mary Hospital, pursued postgraduate studies at Harvard University, and obtained a higher doctorate by research in psychiatric epidemiology from the University of Hong Kong. Dr Ni is a specialist in public health medicine and has been conferred Fellowships by the Hong Kong Academy of Medicine (Community Medicine), Hong Kong College of Community Medicine, and the United Kingdom’s Faculty of Public Health, and Membership of the Royal College of Physicians.

As a public health physician, Dr Ni’s interdisciplinary research spans across different fields while maintaining a focus on population mental health. His primary area of research is in psychiatric epidemiology, and revolves around prevailing and emerging determinants of mental health. Since 2014, Dr Ni’s research programme has been supported by over 35 grants, including 20 as PI or Co-PI, with funding over HK$100 million.

Dr Ni is Programme Director for the FAMILY Cohort (n=46,001), a large population-based cohort study in Hong Kong. He serves as a Principal Investigator and on the Executive Board of the State Key Laboratory of Brain and Cognitive Sciences, and holds a joint appointment with the Healthy High Density Cities Lab, Faculty of Architecture. Dr Ni is the Principal Investigator for the World Health Organization World Mental Health Composite International Diagnostic Interview-5 in Hong Kong. He is responsible for coordinating modules in both the undergraduate medical and postgraduate public health curricula. Dr Ni’s research has been cited in BBC, Bloomberg, CNN, The Guardian, among others.


Michele Tansella Award, World Psychiatric Association

Lo Ying Shek Chi Wai Foundation Award for Young Investigator

Distinguished Young Fellow, Hong Kong Academy of Medicine

Research Output Prize, The University of Hong Kong

Faculty Outstanding Research Output Award, LKS Faculty of Medicine, The University of Hong Kong


  • Psychiatric Epidemiology
  • Social Determinants of Mental Health
  • Depression
  • Stress and Resilience


(since 2014; * denotes corresponding author, †co-first or senior author)

Ni MY*, Yao XI, Leung KS, et al. Depression and post-traumatic stress during major social unrest in Hong Kong: a ten-year prospective cohort. The Lancet 2020 Jan; 395(10220):273-284 [link]

Ni MY†, Yao XI†, Cheung F, et al. Determinants of Physical, Mental, and Social Well-Being: A Longitudinal Environment-Wide Association Study. International Journal of Epidemiology 2020 Apr 1;49(2):380-389 [link

Ni MY*, Leung CMC, Leung GM. The epidemiology of population mental wellbeing in China. The Lancet Public Health 2020 Dec; 5(12):E631-E632 [link]

Ni MY*, Li TK, Pang H, et al. Longitudinal patterns and predictors of depression trajectories related to the 2014 Occupy Central/Umbrella Movement in Hong Kong. American Journal of Public Health 2017 Apr;107(4):593-600 [link] 

Ni MY*, Li TK, Pang H, et al. Direct participation in and indirect exposure to “Occupy Central” and depressive symptoms: a longitudinal study of Hong Kong adults. American Journal of Epidemiology 2016; 184(9):636-643 [link]

Ni MY*, Kim Y*, McDowell I, et al. Mental health during and after protests, riots and revolutions: a systematic review. Australian & New Zealand Journal of Psychiatry 2020 [link]

Leung GM, Ni MY*, Wong PTK, et al. Cohort Profile FAMILY Cohort. International Journal of Epidemiology 2017 Apr; 46(2):e1[link]

Yao XI, Ni MY*, Cheung F, et al. Change in moderate alcohol consumption and quality of life: evidence from 2 population-based cohorts. CMAJ 2019 Jul;191(27):E753-E760 [link]

Cheung F, Kube A, Tay L, Diener E, Jackson JJ, Lucas RE, Ni MY†, Leung GM†. The impact of the Syrian conflict on population well-being. Nature Communications 2020 Aug [Epub ahead of print Aug 6] [link]
Gilman SE, Ni MY, Dunn EC, et al. Contributions of the social environment to first-onset and recurrent mania. Molecular Psychiatry 2015;20(3):329-36 [link]

Ni MY*, Li TK, Hui RW, McDowell I, Leung GM. Requesting a unique personal identifier or providing a souvenir incentive did not affect overall consent to health record linkage: evidence from an RCT nested within a cohort. Journal of Clinical Epidemiology 2017 Apr; 84:142-149 [link]

Ni MY*, Chan BHY, Leung GM, Lau EH, Pang H. Transmissibility of the Ice Bucket Challenge among globally influential celebrities: retrospective cohort study. BMJ 2014; 349:g7185 [link]