Dr Katelyn Barnes

Research Officer, ACT Health Directorate, Academic Unit of General Practice
Honorary Lecturer, ANU School of Medicine and Psychology (until September 2023)

Katelyn is an Accredited Practicing Dietitian, with a background in Food Science. Katelyn graduated from her PhD in 2017. 

Her research has focused on improving nutrition advice in the fitness industry. Prior to her position at the ACT Health Directorate, Katelyn worked as an academic and research fellow with Griffith University and Menzies Health Institute QLD.

Katelyn joined the Academic Unit of General Practice, ACT Health Directorate, in 2019. Her current work includes a General Practice workforce survey, exploration of afterhours primary care in the ACT, and building research capacity in ACT General Practice.

Research interests

  • Primary Care Health Services
  • Contemporary nutrition issues
  • Chronic disease prevention and treatment
  • Dietary supplements
  • Nutrition and physical activity

Peer Reviewed Articles

  1. Barnes K, Ball L, Galvao D, Newton R, Chambers SK, Harrison C. Physical activity counselling and referrals by General Practitioners for prostate cancer survivors in Australia. Australian Journal of Primary Health. (Accepted:  February, 2019)
  2. Williams L, Barnes K, Ball L, Ross L, Sladdin I, Mitchell L. How effective are dietitians at managing weight? A systematic review and meta-analysis of RCTs. Healthcare. 2019; 7(1): 20. https://doi.org/10.3390/healthcare7010020
  3. Ross L, Barnes K, Ball L, Mitchell L, Sladdin I, Williams L. 2018. Effectiveness of dietetic consultation for lowering blood lipid levels in the management of cardiovascular disease risk: a systematic review and meta-analysis of Randomised Controlled Trials (RCT). Nutrition & Dietetics, 2018; https://doi.org/10.1111/1747-0080.12509
  4. Ball L, Barnes K, Crossland L, Nicholson C. and Jackson C. Questionnaires that measure the quality of relationships between patients and primary care providers: a systematic review. BMC health services research, 2018; 18(1). https://doi.org/10.1186/s12913-018-3687-4
  5. Barnes K, Ball L, Galvao D, Newton R, Chambers S. Nutrition Care Guidelines to mitigate the side effects of ADT: Do we have enough evidence? Prostate Cancer and Prostatic Diseases, 2018. https://doi.org/10.1038/s41391-018-0099-9.
  6. Desbrow B, Hall S, O’Connor H, Slater G, Barnes K, Grant G. Caffeine content of pre-workout supplements commonly used by Australian consumers. Drug Testing and Analysis, 2018. https://doi.org/10.1002/dta.2501.
  7. Ball L, Barnes K, Leveritt M, Mitchell L, Williams L, Ball D, Patterson E. Developing Research Priorities in Australian Primary Health Care: A Focus on Nutrition and Physical Activity. Australian Journal of Primary Health, 2018; 23(6), 554-59. https://doi.org/10.1071/PY16068
  8. Mitchell L, Ball L, Ross L, Barnes K, Williams L. Effectiveness of dietetic consultations in primary health care: A systematic review of randomized controlled trials, Journal of the Academy of Nutrition and Dietetics, 2017; (In Press). http://dx.doi.org/10.1111/jhn.12526.
  9. Barnes K, Ball L, Desbrow B. An international comparison of nutrition education standards, occupational standards and scopes of practice for personal trainers. International Journal of Sport and Exercise Metabolism, 2017; 27:507-519. https://doi.org/10.1123/ijsnem.2016-0329.
  10. Ball LE, Sladdin, I, Mitchel L, Barnes K, Ross L, Williams L. Quality of development and reporting of dietetic intervention studies in primary care: a systematic review of randomised controlled trials. 2017; Journal of Human Nutrition & Dietetics. http://dx.doi.org/10.1111/jhn.12526.
  11. Desbrow B, Barnes K, Cox G, Young C, Irwin C. A Nutrition recovery station following recreational exercise improves fruit consumption but does not influence fluid recovery. International Journal of Sport Nutrition and Exercise Metabolism, 2017; 27:1-11. https://doi.org/10.1123/ijsnem.2017-0294.  
  12. Barnes K, Crowley J, Laur C, Ball L, Ray S. Proceedings of the Second International Summit on Medical Nutrition Education and Research. Public Health, 2016; 140:68-72. https://doi.org/10.1016/j.puhe.2016.09.002.
  13. Ball L, Barnes K, Laur C, Crowley J, Ray S. Setting Priorities for Research in Medical Nutrition Education: An International Approach. British Medical Journal, 2016; 6:e013241. http://dx.doi.org/10.1136/bmjopen-2016-013241.
  14. Barnes K, Ball L, Desbrow B, Alsharair, N, & Ahmed, F.  Consumption and reasons for use of dietary supplements in an Australian university population. Nutrition, 2016; 32(5):524-30. http://dx.doi.org/10.1016/j.nut.2015.10.022.
  15. Barnes K, Ball L, Desbrow B. Promotion of nutrition care by Australian fitness businesses: A website analysis. Public Health, 2016; 140: 45-49. http://dx.doi.org/10.1016/j.puhe.2016.08.026.
  16. Barnes K, Desbrow B, Ball L. Personal trainers are confident in their ability to provide nutrition care: a cross sectional analysis. Public Health, 2016; 140:39-44. http://dx.doi.org/10.1016/j.puhe.2016.08.020.
  17. Barnes K, Ball L, Desbrow B. Personal trainer perceptions of providing nutrition care to clients: A qualitative exploration. International Journal of Sport and Exercise Metabolism. http://dx.doi.org/10.1123/ijsnem.2016-0141.

Book Chapters

  1. Ball L, Barnes K. Chapter 17: How to conduct a survey in primary care. In: How To Do Primary Care Research (Goodyear-Smith G, Marshall R eds.) Florida USA: Taylor & Francis, 2018.


  1. Barnes K. Caffeine content of Pre-workout supplements in Australia, Professionals in Nutrition and Exercise Science, March 2019. https://pinesnutrition.org/article/
  2. Barnes K. Research Ramblings, Sports Dietitians Australia - FEUL, June 2014, vol. 134, p. 7.