Dr Yannan Jiang


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Senior Research Fellow


Yannan gained the first degree in Mathematics from Beijing Normal University, and completed her MSc and PhD degrees in Statistics at the University of Auckland. A major focus of her research is designing innovative intervention trials to improve population health in New Zealand and other countries. She has been involved in a wide range of research and commercial projects working with different organisations and providing statistical advice on study design, data monitoring, statistical analysis and reporting, and expert review. Yannan has been a senior statistical consultant of the Statistical Consulting Centre (SCC) since its inception in 2009, and is an invited statistical reviewer for the Lancet and other medical journals. She was elected to the membership of International Statistical Institute (ISI) in 2012, and is a member of the New Zealand Statistical Association (NZSA). To date she has published over 140 peer reviewed journal articles, and is a named study investigator and principal statistician in a number of research programmes and projects fully funded by the Health Research Council (HRC) of New Zealand, Ministry of Health and National Heart Foundation.

Research | Current

Yannan's current research areas include: clincial trials in nutrition and physical activity, newborn and pregnant women, diabetes and heart diseases; cluster randomized trial design; national survey design and analysis; longitudinal studies; case-control sampling and missing data problems.

Postgraduate supervision

Postgraduate students in the Faculty of Science (FOS) and Faculty of Medical & Health Sciences (FMHS).


Senior Statistical Consultant, Statistical Consulting Centre (SCC)

Senior Biostatistician, National Institiute for Health Innovation (NIHI)

Project statistician, Liggins Institute

Areas of expertise

Medical statistics, randomised controlled trials, national registries, longitudinal studies, surveys

Committees/Professional groups/Services

Faculty of Science Equity Committee (FoSEC) member

Selected publications and creative works (Research Outputs)

  • Direito, A., Tooley, M., Hinbarji, M., Albatal, R., Jiang, Y., Whittaker, R., & Maddison, R. (2020). Tailored Daily Activity: An Adaptive Physical Activity Smartphone Intervention. Telemedicine journal and e-health : the official journal of the American Telemedicine Association, 26 (4), 426-437. 10.1089/tmj.2019.0034
  • Cormack, B. E., Jiang, Y., Harding, J. E., Crowther, C. A., & Bloomfield, F. H. (2020). Relationships between Neonatal Nutrition and Growth to 36 Weeks' Corrected Age in ELBW Babies-Secondary Cohort Analysis from the Provide Trial. Nutrients, 12 (3).10.3390/nu12030760
    URL: http://hdl.handle.net/2292/50601
    Other University of Auckland co-authors: Barbara Cormack, Jane Harding, Frank Bloomfield, Caroline Crowther
  • Eyles, H., Trieu, K., Jiang, Y., & Mhurchu, C. N. (2020). Reducing children's sugar intake through food reformulation: methods for estimating sugar reduction program targets, using New Zealand as a case study. The American journal of clinical nutrition, 111 (3), 622-634. 10.1093/ajcn/nqz313
    Other University of Auckland co-authors: Cliona Ni Mhurchu
  • Maddison, R., Hargreaves, E. A., Jiang, Y., Calder, A. J., Wyke, S., Gray, C. M., ... Draper, N. (2020). Rugby Fans in Training New Zealand (RUFIT-NZ): protocol for a randomized controlled trial to assess the effectiveness and cost-effectiveness of a healthy lifestyle program for overweight men delivered through professional rugby clubs in New Zealand. Trials, 21 (1)10.1186/s13063-019-4038-4
    URL: http://hdl.handle.net/2292/50217
    Other University of Auckland co-authors: Amanda Calder, Ralph Maddison, Helen Eyles, Gerhard Sundborn, Samantha Marsh
  • Wang, T. K. M., Grey, C., Jiang, Y., Jackson, R. T., & Kerr, A. J. (2020). Nationwide trends in acute coronary syndrome by subtype in New Zealand 2006-2016. Heart (British Cardiac Society), 106 (3), 221-227. 10.1136/heartjnl-2019-315655
    Other University of Auckland co-authors: Rod Jackson
  • Wang, T. K. M., Grey, C., Jiang, Y., Jackson, R., & Kerr, A. (2020). Trends in length of stay following acute coronary syndrome hospitalisation in New Zealand 2006-2016: ANZACS-QI 32 study. The New Zealand medical journal, 133 (1508), 29-42.
    Other University of Auckland co-authors: Rod Jackson
  • Cormack, B. E., Jiang, Y., Harding, J. E., Crowther, C. A., Lynn, A., Nair, A., ... Webster, D. (2020). Plasma ammonia concentrations in extremely low birthweight infants in the first week after birth: secondary analysis from the ProVIDe randomized clinical trial. Pediatric research10.1038/s41390-019-0730-z
    Other University of Auckland co-authors: Barbara Cormack, Jane Harding, Frank Bloomfield, Caroline Crowther
  • Wang, T. K. M., Grey, C., Jiang, Y., Jackson, R., & Kerr, A. (2020). Contrasting Trends in Acute Coronary Syndrome Hospitalisation and Coronary Revascularisation in New Zealand 2006–2016: A National Data Linkage Study (ANZACS-QI 27). Heart Lung and Circulation10.1016/j.hlc.2019.11.015
    Other University of Auckland co-authors: Rod Jackson

Contact details

Alternative contact

Extension number 88490

Primary office location

Level 3, Room 393
New Zealand