Dr Naijie (Katherine) Guan

Dr Naijie (Katherine) Guan

Institute of Applied Health Research
Research Fellow

Contact details

Health Economics Unit, IOEM Building
Institute of Applied Health Research
University of Birmingham
Birmingham B15 2TT

Dr Naijie (Katherine) Guan is a Research Fellow and Assistant Director of Teaching in the Health Economics Unit within the Institute of Applied Health Research at the University of Birmingham

ResearchGate profile


  • PhD in Health Economics, University of Birmingham, 2022
  • MSc in Money, Banking and Finance, University of Birmingham, 2017
  • BSc in Finance, Northeastern University (China), 2016


Research interests

  • Health Economics
  • Cost Estimation in Healthcare
  • Automation in Health Economics
  • Health Economics Evaluation in Public Health and Epidemiology
  • Econometrics and data analytics in Health Research
  • Mental Health
  • Household Finances
  • Financial Literacy and Education

Current projects:

Naijie (Katherine) is currently involved in the following projects:  

  • Therapies for Long COVID in non-hospitalised individuals (the TLC Study). This study investigates the underlying causes of Long COVID to improve the care and treatment of non-hospitalised patients. Her main role involves investigating the impact of long COVID on healthcare resource utilisation and the costs associated with primary care resource use.
  • OPTIMising therapies, disease trajectories, and AI assisted clinical management for patients Living with complex multimorbidity (the OPTIMAL study). The OPTIMAL study aims to understand how different combinations of long-term conditions and the medicines taken for these diseases interact overtime to worsen or improve a patient’s health.
  • Automated Data Analytics Platform for Health Economic Research (the ADAPTHER study). This feasibility study aims to explore the economic cost of sickness absence and the feasibility of automating the health economic analysis using the Dexter platform (Data Extractor for Epidemiological Research).
  • Research on the inter-relationship between financial literacy, household finances, and mental health. 


Recent publications


McMullan, C, Haroon, S, Turner, G, Aiyegbusi, OL, Subramanian, A, Hughes, SE, Flanagan, S, Nirantharakumar, K, Davies, EH, Frost, C, Jackson, L, Guan, N, Alder, Y, Chong, A, Buckland, L, Jeyes, F, Stanton, D & Calvert, M 2024, 'Key considerations for digital decentralised clinical trials from a feasibility study assessing pacing interventions for Long COVID', Scientific Reports.

Tufts, J, Guan, N, Zemedikun, DT, Subramanian, A, Gokhale, K, Myles, P, Williams, T, Marshall, T, Calvert, M, Matthews, K, Nirantharakumar, K, Jackson, LJ & Haroon, S 2023, 'The cost of primary care consultations associated with long COVID in non-hospitalised adults: a retrospective cohort study using UK primary care data', BMC Primary Care, vol. 24, no. 1, 245. https://doi.org/10.1186/s12875-023-02196-1

Review article

Guan, N, Guariglia, A, Moore, P, Xu, F & Al-janabi, H 2022, 'Financial stress and depression in adults: A systematic review', PLOS One, vol. 17, no. 2, e0264041. https://doi.org/10.1371/journal.pone.0264041

Dretzke, J, Wang, J, Yao, M, Guan, N, Ling, M, Zhang, E, Mukherjee, D, Hall, J, Jowett, S, Mukherjee, R, Moore, DJ & Turner, AM 2022, 'Home non-invasive ventilation in COPD: a global systematic review', Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation, vol. 9, no. 2, pp. 237-251. https://doi.org/10.15326/jcopdf.2021.0242

View all publications in research portal