School of Public Health
Faculty of Health and Medical Sciences
Jolyn Johal is a Research Fellow at JBI, and the Field Editor of the Infection Control specialty at JBI. At her current role, she is involved in developing and reviewing evidence-based resources on health care topics, and works in collaboration with Expert Reference Group members.
Jolyn is also an Accredited Practising Dietitian, and graduated from Flinders University, South Australia, with a Bachelor in Nutrition & Dietetics (First Class Honours). Prior to her present appointment, she was a Senior Dietitian at the National University Hospital (NUH), Singapore, where she worked for 6 years in both clinical and research roles. Her specialty areas are in Nonalcoholic Fatty Liver Diseases (NAFLD) and Weight Management.
Jolyn was involved in the implementation of two randomized controlled trials investigating the use of mobile technology in dietary counselling. She has also written research papers for journal publications and presented research findings at a conference. At the media level, she has written articles and took part in both radio and news channel interviews, sharing research findings as well as providing insights on topics pertaining to healthy eating.
Language Competency Chinese (Mandarin) Can read, write, speak and understand spoken English Can read, write, speak, understand spoken and peer review
Date Institution name Country Title 2011 - 2014 Flinders University Australia Bachelor of Nutrition and Dietetics (First Class Honours)
Date Title Institution name Country 2018 Accredited Practising Dietitian Dietitians Australia Australia
Year Citation 2022 Lim, S. L., Ong, K. W., Johal, J., Han, C. Y., Yap, Q. V., Chan, Y. H., . . . Khoo, C. M. (2022). A Smartphone App-Based Lifestyle Change Program for Prediabetes (D'LITE Study) in a Multiethnic Asian Population: A Randomized Controlled Trial. FRONTIERS IN NUTRITION, 8, 10 pages.
DOI WoS6 Europe PMC5
2022 Johal, J., Han, C. Y., Joseph, R., Munn, Z., Agbejule, O. A., Crawford‐williams, F., . . . Hart, N. H. (2022). Dietary Supplements in People with Metastatic Cancer Who Are Experiencing Malnutrition, Cachexia, Sarcopenia, and Frailty: A Scoping Review. Nutrients, 14(13), 29 pages.
DOI Scopus1 WoS1
2022 Lim, S. L., Tay, M. H. J., Ong, K. W., Johal, J., Yap, Q. V., Chan, Y. H., . . . Yaxley, A. (2022). Association Between Mobile Health App Engagement and Weight Loss and Glycemic Control in Adults With Type 2 Diabetes and Prediabetes (D'LITE Study): Prospective Cohort Study.. JMIR diabetes, 7(3), e35039.
2021 Lim, S. L., Ong, K. W., Johal, J., Han, C. Y., Yap, Q. V., Chan, Y. H., . . . Khoo, C. M. (2021). Effect of a Smartphone App on Weight Change and Metabolic Outcomes in Asian Adults With Type 2 Diabetes. JAMA Network Open, 4(6), 1-14.
DOI Scopus9 WoS6 Europe PMC8
2021 Ang, S. M., Chen, J., Liew, J. H., Johal, J., Dan, Y. Y., Allman-Farinelli, M., & Lim, S. L. (2021). Efficacy of interventions incorporating mobile applications in facilitating weight loss and health behavior change in the Asian population: a systematic review and meta-analysis (Preprint). Journal of Medical Internet Research, 23(11), 25 pages.
DOI Scopus11 WoS9 Europe PMC10
2020 Lim, S. L., Johal, J., Ong, K. W., Han, C. Y., Chan, Y. H., Lee, Y. M., & Loo, W. M. (2020). Lifestyle Intervention Enabled by Mobile Technology on Weight Loss in Patients With Nonalcoholic Fatty Liver Disease: Randomized Controlled Trial.. JMIR Mhealth Uhealth, 8(4), 1-15.
DOI WoS13 Europe PMC13
- Ang, S. M., Chen, J., Liew, J. H., Johal, J., Dan, Y. Y., Allman-Farinelli, M., & Lim, S. L. (n.d.). Efficacy of Interventions That Incorporate Mobile Apps in Facilitating Weight Loss and Health Behavior Change in the Asian Population: Systematic Review and Meta-analysis (Preprint).
Year Citation 2020 Lim, S. L., Ong, K. W., Johal, J., Chan, Y. H., & Khoo, C. M. (2020). Diabetes Lifestyle Intervention using Technology Empowerment (D'LITE Study) for obesity and type 2 diabetes: A Randomized Controlled Trial. Poster session presented at the meeting of METABOLISM-CLINICAL AND EXPERIMENTAL. W B SAUNDERS CO-ELSEVIER INC.
2019 Han, C., Lim, S. L., Ong, K. W., Johal, J., Yeo, G., Goh, W., . . . Lim, J. (2019). Effect of Lifestyle Intervention Using Mobile Application on Diet Quality and Weight Loss in Pre-diabetes. Poster session presented at the meeting of Dietitians Association of Australia 36th National Conference. Australia: Nutrition and Dietetics Journal of the Dietitians Association of Australia. 2018 Lim, S. L., Loo, W. M., Ong, K. W., Johal, J., Han, C., Chan, Y. H., & Lee, Y. M. (2018). Lifestyle intervention enabled by mobile technologies leading to weight loss in patients with non-alcoholic fatty liver diseases: A randomised controlled trial. Poster session presented at the meeting of JOURNAL OF GASTROENTEROLOGY AND HEPATOLOGY. Journal of Gastroenterology and Hepatology.
Date Role Membership Country 2015 - 2021 Member Dietitians Australia Australia
Date Topic Presented at Institution Country 2019 - 2019 Effect of Lifestyle Intervention Using Mobile Application on Diet Quality and Weight Loss in Pre-diabetes Dietitians Association of Australia 36th National Conference Dietitians Australia Australia
Connect With Me