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Prof. Crystal Ying CHAN



Research Assistant Professor



ORCID: 0000-0002-1005-8148

Scopus Author ID: 57216683654


Dr. Crystal Ying Chan is a public health researcher and practitioner with a particular interest in healthcare service access and delivery for marginalized populations. Her dedication lies in developing and evaluating innovative approaches to ensure equitable healthcare access for vulnerable groups, including migrant workers, people living with dementia and their caregivers, and families living in sub-divided flats.


Dr. Chan has obtained several competitive grants as a principal investigator or co-investigator, including a commission project funded by the Wellcome Trust and three community-based health promotion projects funded by the Hong Kong Jockey Club Charities Trust (totalling HK$26 million). She is also experienced in supporting consultancy projects funded by government agencies, district councils, and non-government organizations. Her work has led to several publications in high-impact journals such as the British Medical Journal and Lancet Regional Health Western Pacific.


Dr. Chan obtained her bachelor's degree and doctoral degree in Public Health from the Chinese University of Hong Kong in 2016 and 2020, respectively. She passed the diplomate examination of the Faculty of Public Health in 2021. Since 2023, she has been appointed as a Research Assistant Professor in the JC School of Public Health and Primary Care.

Research Interests

  • Healthcare services access and primary care service delivery  

  • Task-shifting in healthcare

  • Interventions addressing poor health in relation to disadvantaged housing and poverty.

  • Health of marginalized groups

    • Migrant’s health

    • Informal care for older people

    • Health of people living in informal settlements

Recent Funded Research Projects 

  • Principal Investigator, Workplace Mental Health Commission 2021, The Wellcome Trust.

  • Co-Investigator, Reducing inequality in women’s health: Providing cervical screening and decision-aid counselling by trained peers in deprived populations, The Chinse University of Hong Kong Knowledge Transfer Fund.

  • Co-Investigator, Validation and valuation of Household Food Insecurity Survey Module – Hong Kong Chinese version (HFSSM-HKC) in Hong Kong sub-divided flat family population, The Chinese University of Hong Kong United College.

  • Co-Investigator, Community Wellbeing Hub cum Care Model for Family with Children living in Sub-divided Flats, Hong Kong Jockey Club Charities Trust.

  • Co-Investigator, Nutritional and health support for sub-divided flat families, Hong Kong Jockey Club Charities Trust.

  • Co-Investigator, Nutritional support for low-income families in Hong Kong, Hong Kong Jockey Club Charities Trust.

  • Co-Investigator, Zoonotic Diseases and One Health in Asia-Pacific: Story Grants, Earth Journalism Network.

Selected Publications

*co-first authors

  1. Chan CY, Chau PYK, Yeoh E, et al. Impact of additional community services provision on dementia caregiver burden: an interrupted time-series analysis of 12-year interRAI assessments in Hong Kong. BMJ Open 2022;12:e057221.

  2. Wai AK*, Chan CY*, Cheung AW, et al. Association of Molnupiravir and Nirmatrelvir-Ritonavir with preventable mortality, hospital admissions and related avoidable healthcare system cost among high-risk patients with mild to moderate COVID-19. Lancet Reg Health West Pac 2022: 100602. 

  3. Chan CY, Hoi BP, Wong EL. Lay health worker intervention in pre-diabetes management: Study protocol of a pragmatic randomized controlled trial for Chinese families living in inadequate houses. Front Public Health 2022; 10: 957754.

  4. Chan CY, Cheung G, Martinez-Ruiz A, et al. Caregiving burnout of community-dwelling people with dementia in Hong Kong and New Zealand: a cross-sectional study. BMC Geriatr 2021; 21(1): 261.

  5. Chan KH*, Lee PW*, Chan CY*, Lam KBH, Ho PL. Monitoring respiratory infections in covid-19 epidemics. BMJ 2020; 369: m1628. 

Last Updated: 26 April 2023

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