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Contact Details

Phone
+64 3 479 7207
Email
nisa.widyastuti@otago.ac.nz
Position
Research Fellow
Qualifications
DDS, MSc, MIDP, PGDipResMethDes, PhD
Research summary
Public health; specialisation in nutrition, international development, and global health

Research

An early-career researcher with experience in working with big data, longitudinal data analysis, clinical trial, modelling and problem-solving, with great attention to detail and a strong ability to work under pressure.

Research interests

  • Public health research with specialisation in nutrition, international development, and global health.
  • Longitudinal data with complex statistical methods
  • Clinical trial studies

Publications

Cameron, C., Gray, A., Widyastuti, N., & Iosua, E. (2026, July). Recognition, representation, and research: The New Zealand Statistical Association Conference 2025. Department of Public Health - Dunedin Seminar Series, University of Otago, Dunedin, New Zealand. [Department Seminar]. Other Research Output

McLean, R., Widyastuti, N., Connor, J., Shope, J., Taylor, J., Kerse, N., & Crengle, S. (2025). Prevalence of driving avoidance and self-regulation trajectories in a prospective cohort study of older drivers: NZPATHS. Proceedings of the New Zealand Association of Gerontology (NZAG) Conference: Ageing Together. (pp. 55). Retrieved from http://gerontology.org.nz Conference Contribution - Published proceedings: Abstract

Gray, A., Iosua, E., & Widyastutim, N. (2025, October). How to collaborate with a biostatistician from the Biostatistics Centre. Department of Medicine Seminar, University of Otago, Dunedin, New Zealand. [Department Seminar]. Other Research Output

Chapple, C., Samaranayaka, A., Widyastuti, N., Pryymachenko, Y., Wilson, R., & Abbott, H. (2025, October). Frequency of manual therapy for people with knee osteoarthritis: The Opti-OK trial. Verbal presentation at the Australian Physiotherapy Association Scientific Conference (APASC): Lead the Physiotherapy Evolution, Adelaide, Australia. Conference Contribution - Verbal presentation and other Conference outputs

McLean, R., Connor, J., Widyastuti, N., & Samaranayaka, A. (2025). Planning for driving cessation: A cross-sectional study of community dwelling older drivers (NZPATHS). Journal of Transport & Health, 44, 102162. doi: 10.1016/j.jth.2025.102162 Journal - Research Article

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