Research groups
Colleges
Joan Madia
Senior Researcher in Health Economics
Joan is a Senior Research Fellow in Health Economics and Policy Evaluation at the Center for Health Economics Services and Organisation (CHSEO) and the Health Economics group in the Nuffield Department of Primary Health Care Sciences. Additionally, he holds a non-stipendiary affiliate membership at the Institute for the Evaluation of Public Policies (FBK-IRVAPP) in Italy.
His research interests focus on drawing causal inference from non-randomly selected samples; especially in settings of imperfect compliance, the analysis of inequality in health and human capital development, and the evaluation of public policies.
Key publications
Overseas general practitioners (GPs) and opioid prescriptions in England
Journal article
Madia JE. et al, (2025), Health Policy, 159
Bridging the pulse: Exploring inequalities in diabetes and hypertension medication prescriptions in Spain's immigrant and native communities
Journal article
Boggian L. et al, (2025), Economics and Human Biology, 57
Clinical Characteristics of Virologically Confirmed Respiratory Syncytial Virus in English Primary Care: Protocol for an Observational Study of Acute Respiratory Infection
Journal article
Hoang U. et al, (2025), JMIR Research Protocols, 14
Recent publications
Epidemiology of virologically confirmed RSV, influenza and COVID-19 in adults in England, 2023–2024: Primary Care Observational Study of Acute Respiratory Infection (ObservatARI)
Journal article
Ordóñez-Mena JM. et al, (2026), Journal of Infection, 92
HepB-boost: Implementation of free-of-charge health care worker hepatitis B testing and vaccination at Kilifi County Referral Hospital, Kenya
Journal article
Downs LO. et al, (2026), International Journal of Infectious Diseases, 164
Primary healthcare costs associated with the AstraZeneca COVID-19 vaccine in England
Journal article
Madia JE. et al, (2026), Vaccine, 72
Socioeconomic inequality and access to emergency care: understanding the pathways to the emergency department in the UK
Journal article
Madia J. et al, (2025), BMJ Open, 15
Rethinking tobacco policy: Why a Cap-and-Levy scheme can outperform the UK's sales ban
Journal article
Madia JE., (2025), Research in Economics, 79