Red X iconGreen tick iconYellow tick icon

Contact Details

+64 3 479 7168
Research Associate Professor and Biostatistician
BSc MPhil DipFGT DipFM PhD
Research summary
Methodological and biostatistical expertise in health-related research
Research Ethics Committee, Department of Preventive and Social Medicine


Associate Professor Ari Samaranayaka is a biostatistician in the Biostatistics Centre. He leads biostatistical and methodological aspects of health-related research projects in a range of disciplines such as public health, epidemiology, nephrology, physiotherapy, pharmacy, dentistry, immunology, and many more.

He works with many health researchers of varying capacities as research collaborator or a biostatistical advocate. He also provides supervision for postgraduate students in health-related and/or biostatistical research.


Ng, B. M. M., Samaranayaka, A., Ting, G., & Smith, M. (2024). Acceptability of teledentistry use among residents and staff in aged residential care facilities in the Otago region of New Zealand. Gerodontology. Advance online publication. doi: 10.1111/ger.12752 Journal - Research Article

Derrett, S., Owen, H. E., Barson, D., Maclennan, B., Samaranayaka, A., Harcombe, H., & Wyeth, E. H. (2024). New Zealand’s Prospective Outcomes of Injury Study—10 years on (POIS-10): Descriptive outcomes to 12 years post-injury [Short report]. Injury Prevention. Advance online publication. doi: 10.1136/ip-2023-045058 Journal - Research Article

Du Plooy, K., Wishart, B., Scarf, D., & Samaranayaka, A. (2023). The impact of Green Prescription on sustained physical activity levels, quality of life, and mental health. Journal of Sport & Exercise Science, 7(4), (pp. 69-70). doi: 10.36905/jses.2023.04.01 Conference Contribution - Published proceedings: Abstract

Sopoaga, F., Nada-Raja, S., Leckie, T., Samaranayaka, A., & Covello, S. (2023). Mental health and well-being of first year Pacific students at a New Zealand university. Open Journal of Social Sciences, 11, 365-381. doi: 10.4236/jss.2023.117026 Journal - Research Article

Cameron, C., Samaranayaka, A., & Turner, R. (2023). The review process from a biostatistics perspective [Invited feature]. New Zealand Medical Student Journal, 35, 34-36. Journal - Research Other

Back to top