Millar H, Tzivakis D, Rangan A, Roy R. Dietary Transitions and Sustainability Among Asian International Tertiary Education Students in Western Countries: A Scoping Review. Sustainability. 2025; 17(6):2505. Link

Zeng M, Grgurevic J, Diyab R, Roy R. # WhatIEatinaDay: The Quality, Accuracy, and Engagement of Nutrition Content on TikTok. Nutrients. 2025 Jan;17(5):781. Link

Worthington A, Coffey T, Gillies K, Roy R, Braakhuis A. Exploring how researchers consider nutrition trial design and participant adherence: a theory-based analysis. Frontiers in Nutrition. 2024 Dec 17;11:1457708. Link

Comachio J, Poulsen A, Bamgboje-Ayodele A, Tan A, Ayre J, Raeside R, Roy R, O’Hagan E. Identifying and counteracting fraudulent responses in online recruitment for health research: a scoping review. BMJ Evidence-Based Medicine. 2024 Dec 21. Link

Malloy JA, Partridge SR, Kemper JA, Braakhuis A, Roy R. Feasibility and Preliminary Efficacy of Co-Designed and Co-Created Healthy Lifestyle Social Media Intervention Programme the Daily Health Coach for Young Women: A Pilot Randomised Controlled Trial. Nutrients. 2024 Dec 18;16(24):4364. Link

Worthington A, Coffey T, Gillies K, Roy R, Braakhuis A. Exploring how researchers consider nutrition trial design and participant adherence: a theory-based analysis. Frontiers in Nutrition. 2024 Dec 17;11:1457708. Link

Chan V, Roy R. A Qualitative Analysis of Australian Perspectives Regarding the Cost of Groceries Using the Online Social Media Platform, Reddit. Sustainability. 2024 Nov 21;16(23):10154. Link

Malloy JA, Kazenbroot-Phillips H, Roy R. Associations Between Body Image, Eating Behaviors, and Diet Quality Among Young Women in New Zealand: The Role of Social Media. Nutrients. 2024 Oct 17;16(20):3517. Link

Worthington A, Liu E, Foster M, Wright SR, Lithander FE, Wall C, Roy R, Parry-Strong A, Krebs J, Braakhuis A. Development of an Aotearoa New Zealand adapted Mediterranean dietary pattern and Kai/food basket for the He Rourou Whai Painga randomised controlled trial. Frontiers in Nutrition. 2024 Jul 26;11:1382078. Link

Chan AH, Te Ao B, Baggott C, Cavadino A, Eikholt AA, Harwood M, Hikaka J, Gibbs D, Hudson M, Mirza F, Naeem MA, Roy R. Digipredict: physiological, behavioural and environmental predictors of asthma attacks-a prospective observational study using digital markers and artificial intelligence-study protocol. BMJ open respiratory research. 2024 May 22;11(1):e002275. Link

Malloy JA, Kemper JA, Partridge SR, Roy R. Empowering Young Women: A Qualitative Co-Design Study of a Social Media Health Promotion Programme. Nutrients. 2024 Mar 9;16(6):780. Link

Brenton‐Peters JM, Consedine NS, Cavadino A, Roy R, Ginsberg KH, Serlachius A. Finding kindness: A randomized controlled trial of an online self‐compassion intervention for weight management (SC4WM). British Journal of Health Psychology. 2024 Feb;29(1):37-58. Link

Worthington A, Gillies N, Roy R, Hannaford R, Braakhuis A. Implementing eHealth-based behaviour change support within a nutrition intervention trial improves adherence to study-related behaviours in healthy young adults. Proceedings of the Nutrition Society. 2024;83(OCE1):E103. doi:10.1017/S0029665124001216. Link

Roy R, Alsaie A, Malloy J, Kemper JA. Sustainable Culinary Skills: Fostering Vegetable-Centric Cooking Practices among Young Adults for Health and Environmental Benefits—A Qualitative Study. Sustainability. 2024 Jan 22;16(2):928. Link

Malloy JA, Partridge SR, Kemper JA, Roy R. Co-Designing a Social Media Health Promotion for Young Women: A Study Protocol. International Journal of Qualitative Methods. 2024 Jan 22;23:16094069241230413. Link

Li X, Wang H, Manafe H, Braakhuis A, Li Z, Roy R. Assessing food availability and healthier options in an urban Chinese university: a case study using the Chinese Nutrition Environment Measurement Survey for Stores (C-NEMS-S). BMC Public Health. 2024 Jan 2;24(1):15. Link

Jia SS, Allman-Farinelli M, Roy R, Phongsavan P, Hyun K, Gibson AA, Partridge SR. Using Mobile Ecological Momentary Assessment to Understand Consumption and Context Around Online Food Delivery Use: Pilot Feasibility and Acceptability Study. JMIR mHealth and uHealth. 2023 Nov 29;11(1):e49135. Link

Worthington A, Gillies N, Hannaford R, Roy R, Braakhuis A. Implementing multicomponent, eHealth-based behaviour change support within a dietary intervention trial improves adherence to study-related behaviours in healthy young adults. BMC nutrition. 2023 Dec;9(1):1-3. Link

Brenton‐Peters JM, Consedine NS, Cavadino A, Roy R, Ginsberg KH, Serlachius A. Finding kindness: A randomized controlled trial of an online self‐compassion intervention for weight management (SC4WM). British Journal of Health Psychology. 2023 Aug 6. Link

Hoteit M, Hoteit R, Aljawaldeh A, Van Royen K, Pabian S, Decorte P, Cuykx I, Teunissen L, De Backer C, Bergheim I, Staltner R. Call for emergency action to restore dietary diversity and protect global food systems in times of COVID-19 and beyond: Results from a cross-sectional study in 38 countries. Heliyon. 2023 Nov 7. Link

Lovell AL, Roy R, Klein A, Cavadino A, Foster M, Krebs JD, Braakhuis A, Merry TL. Habitual Dietary Patterns, Nutrient Intakes, and Adherence to the Mediterranean Diet among New Zealand Adults: The NZ MED Cross-Sectional Study. Nutrients. 2023 Jun 7;15(12):2663. Link

Roy, R, Kaufononga, A, Yovich, F, Diversi, T. The prevalence and practice impact of weight bias among New Zealand registered dietitians. Nutrition & Dietetics. 2023; 1- 10. Link

Kemper JA, Kapetanaki AB, Spotswood F, Roy R, Hassen H, Uzoigwe AG, Fifita IM. Food practices adaptation: Exploring the coping strategies of low-socioeconomic status families in times of disruption. Appetite. 2023 Apr 10:106553. Link

Brenton‐Peters JM, Vallis M, Grant S, Consedine NS, Kirk SF, Roy R, Serlachius A. Rethinking weight: Finding self‐compassion for ‘weight management’. Clinical Obesity. 2023 Feb;13(1):e12562. Link

Mahawar, N, Jia, S. S, Korai, A, Wang, C, Allman-Farinelli, M, Chan, V, ... & Roy, R. (2022). Unhealthy Food at Your Fingertips: Cross-Sectional Analysis of the Nutritional Quality of Restaurants and Takeaway Outlets on an Online Food Delivery Platform in New Zealand. Nutrients, 14(21), 4567. Link

 Worthington A, Gillies N, Roy R, Braakhuis A. Development of eHealth-Based Behavior Change Support for Young Adults Using the Nine Principles Framework. Journal of Nutrition Education and Behavior. 2022 Nov 11. Link

Brenton-Peters J, Consedine NS, Roy R, Cavadino A, Serlachius A. Self-compassion, Stress, and Eating Behaviour: Exploring the Effects of Self-compassion on Dietary Choice and Food Craving After Laboratory-Induced Stress. International Journal of Behavioral Medicine. 2022 Jun 22:1-0. Link

Brenton‐Peters JM, Vallis M, Grant S, Consedine NS, Kirk SF, Roy R, Serlachius A. Rethinking weight: Finding self‐compassion for ‘weight management’. Clinical Obesity. 2022 Oct 26:e12562. Link

Li X, Braakhuis A, Li Z, Roy R. How Does the University Food Environment Impact Student Dietary Behaviors? A Systematic Review. Frontiers in nutrition. 2022;9. Link

Brenton-Peters J, Consedine NS, Roy R, Cavadino A, Serlachius A. Self-compassion, Stress, and Eating Behaviour: Exploring the Effects of Self-compassion on Dietary Choice and Food Craving After Laboratory-Induced Stress. International Journal of Behavioral Medicine. 2022 Jun 22:1-0. Link

Malloy JA, Partridge SR, Kemper JA, Braakhuis A, Roy R, Co-Design of Digital Health Interventions for Young Adults: A Scoping Review Protocol. JMIR Preprints. 2022;4. Link

Brenton-Peters JM, Consedine NS, Cavadino A, Roy R, Serlachius AS. Investigating the effect of an online self-compassion for weight management (SC4WM) intervention on self-compassion, eating behaviour, physical activity and body weight in adults seeking to manage weight: protocol for a randomised controlled trial. BMJ open. 2022 Feb 1;12(2):e056174. Link

Egli V, Hunter L, Roy R, Te Morenga L, De Backer C, Teunissen L, Cuykx I, Decorte P, Gerritsen S. Household Mealtimes During the 2020 COVID-19 Lockdown in Aotearoa New Zealand: The Influence of Household Type and Psychological Distress. Frontiers in Nutrition. 2022;9. Link

Encalada L, Roy R, Desmet A, Hoteit M, Naim E, Alalwan TA, Abu-El-ruz R, Aldhaheri A, Sambell R, Cuykx I, Waly M. An Evaluation of the COVID-19 Pandemic and Perceived Social Distancing Policies in Relation to Planning, Selecting, and Preparing Healthy Meals: An Observational Study in 38 Countries Worldwide. Link

Nguyen TP, Cribb L, Ng CH, Byrne GJ, Castle D, Brakoulias V, Blair-West S, Oliver G, Ee C, Dean OM, Camfield DA, Roy R. Dietary quality and nutrient intake in adults with obsessive–compulsive disorder. BJPsych Open. 2021 Nov;7(6). Link

Braakhuis A, Gillies N, Worthington A, Knowles S, Conner T, Roy R, Pham T, Bermingham E, Cameron-Smith D. A Modern Flexitarian Dietary Intervention Incorporating Web-Based Nutrition Education in Healthy Young Adults: Protocol for a Randomized Controlled Trial. JMIR Research Protocols. 2021 Dec 21;10(12):e30909. Link

Roy R, de Castro TG, Haszard J, Egli V, Te Morenga L, Teunissen L, Decorte P, Cuykx I, De Backer C, Gerritsen S. Who We Seek and What We Eat? Sources of Food Choice Inspirations and Their Associations with Adult Dietary Patterns before and during the COVID-19 Lockdown in New Zealand. Nutrients. 2021 Nov;13(11):3917. Link

​Roy R, Harrington K. Effectiveness of price-reduced meals on purchases among university young adults. Journal of Nutritional Science. 2021;10. Link

Brenton-Peters J, Consedine N, Boggis A, Wallace-Boyd K, Roy R, Serlachius A. Self-compassion in weight management: A systematic review. Journal of Psychosomatic Research. 2021 Sep 16:110617. Link

Roy R, Sekula J, Papoutsakis C. Using a web-based platform to apply the Nutrition Care Process and capture nutrition outcomes and patient satisfaction in a student-led dietetic outpatient clinic: a pilot study. Australian Journal of Clinical Education. 2021 Sep 7;10(1):1-4. Link

Gerritsen S, Egli V, Roy R, Haszard J, Backer CD, Teunissen L, Cuykx I, Decorte P, Pabian SP, Van Royen K, Te Morenga L. Seven weeks of home-cooked meals: changes to New Zealanders’ grocery shopping, cooking and eating during the COVID-19 lockdown. Journal of the royal society of new zealand. 2021 May 31;51(sup1):S4-22. Link

Roy R, Alassadi D. Does labelling of healthy foods on menus using symbols promote better choices at the point-of-purchase? Public Health Nutrition. 2021 Mar;24(4):746-54. Link

Wang C, Korai A, Jia SS, Allman-Farinelli M, Chan V, Roy R, Raeside R, Phongsavan P, Redfern J, Gibson AA, Partridge SR. Hunger for Home Delivery: Cross-Sectional Analysis of the Nutritional Quality of Complete Menus on an Online Food Delivery Platform in Australia. Nutrients. 2021 Mar;13(3):905. Link

Sharp EL, Haszard J, Egli V, Roy R, Te Morenga L, Teunissen L, Decorte P, Cuykx I, De Backer C, Gerritsen S. Less Food Wasted? Changes to New Zealanders’ Household Food Waste and Related Behaviours Due to the 2020 COVID-19 Lockdown. Sustainability. 2021 Jan;13(18):10006. Link

Roy R, Liu JY. Do products from healthier vending machines on a university campus sell? Journal of American College Health. 2020 Nov 16:1-4. Link

Partridge SR, Gibson AA, Roy R, Malloy JA, Raeside R, Jia SS, Singleton AC, Mandoh M, Todd AR, Wang T, Halim NK. Junk Food on Demand: A Cross-Sectional Analysis of the Nutritional Quality of Popular Online Food Delivery Outlets in Australia and New Zealand. Nutrients. 2020 Oct;12(10):3107. Link

Roy R, Styles T, Braakhuis A. Do health programmes within the New Zealand food industry influence the work environment for employees? Health Promotion International. 2019 July 23. Link

Roy R, Soo D, Conroy D, Wall CR, Swinburn B. Exploring University Food Environment and On-Campus Food Purchasing Behaviors, Preferences, and Opinions. Journal of nutrition education and behavior. 2019 Apr 11. Link

Roy R, Rangan A, Hebden L, Louie J, Tang LM, Kay J, Allman-Farinelli M. Dietary Contribution of Foods and Beverages sold within a University Campus and its Effect on Diet-Quality of Young Adults. Nutrition. 2017 Feb; 34:118-23. Link

Roy R, Hebden L, Rangan A, Allman-Farinelli M. The development, application, and validation of a Healthy eating index for Australian Adults (HEIFA—2013). Nutrition. 2016;32(4):432-40. Link

Grech A, Roy R, Allman-Farinelli M. Are products sold in university vending machines nutritionally poor? A food environment audit. Nutrition and Dietetics. 2016 Nov 1. Link

Roy R, Ang, SM, Bowers JB, Colagiuri S, Allman-Farinelli, M. The effect of energy labelling on menus and a social marketing campaign on food purchasing behaviours of university students. BMC Public Health. 2016 Aug 5; 16(1):727. Link

Rangan AM, Tieleman L, Louie JC, Tang LM, Hebden L, Roy R, Kay J, Allman-Farinelli M. Electronic Dietary Intake Assessment (e-DIA): relative validity of a mobile phone application to measure intake of food groups. The British journal of nutrition. 2016 Jun; 115(12):2219-26. Link

Allman-Farinelli M, Partridge SR, Roy R. Weight-Related Dietary Behaviors in Young Adults. Current obesity reports. 2016 Jan 26:1-7. Link

Roy R, Hebden L, Kelly B, De Gois T, Ferrone E. M., Samrout M, Vermont S, Allman-Farinelli M. Description, measurement and evaluation of tertiary education food environment. British Journal of Nutrition. 2016. Link

Roy R, Kelly B, Rangan A, Allman-Farinelli M. Food environment interventions to improve the dietary behavior of young adults in tertiary education settings: A systematic literature review. Journal of the Academy of Nutrition and Dietetics. 2015 Oct 31; 115(10):1647-81. Link

Rangan AM, O’Connor S, Giannelli V, Yap ML, Tang LM, Roy R, Louie JC, Hebden L, Kay J, Allman-Farinelli M. Electronic Dietary Intake Assessment (e- DIA): Comparison of a Mobile Phone Digital Entry App for Dietary Data Collection With 24-Hour Dietary Recalls. JMIR mHealth and uHealth. 2015 Oct; 3(4). Link

Nour MM, McGeechan K, Wong AT, Partridge SR, Balestracci K, Roy R, Hebden, L, Allman-Farinelli M. Diet Quality of Young Adults Enrolling in TXT2BFiT, Mobile Phone-Based Healthy Lifestyle Intervention. JMIR research protocols. 2015 Apr; 4(2). Link