Benjamin Ewald

Benjamin Ewald is a conjoint Senior Lecturer at the University of Newcastle, affiliated with the School of Medicine and Public Health and the Centre for Clinical Epidemiology & Biostatistics. As a practicing General Practitioner (GP) in Newcastle, he integrates clinical work with academic contributions in epidemiology and public health.

• PhD in Community Medicine & Clinical Epidemiology (University of Newcastle)
• Bachelor of Medicine (University of Newcastle)
• Master of Medical Science (Epidemiology, University of Newcastle)

His research focuses on diagnostic test accuracy in primary care, physical activity epidemiology, and environmental health risks. He has pioneered methods for analyzing accelerometer data, investigated health impacts of nitrogen dioxide exposure, and evaluated interventions to promote physical activity. His 15 most recent publications span topics like air quality policy, chronic disease prevention, and health systems research for cycling safety.

Scientific contributions include:

• Advancing clinical epidemiological methodology and meta-analysis of diagnostic tests
• Advocacy for environmental health reforms (e.g., indoor gas appliance risks, coal mining pollution)
• Key findings on step-count thresholds for health outcomes in older adults

He has supervised two PhD candidates and secured over 1.3 million AUD in grants from bodies like NHMRC and University of Newcastle. His work aligns with global UN Sustainable Development Goals for health and well-being.