Reducing retail merchandising of discretionary food and beverages in remote Indigenous community stores: protocol for a randomized controlled trial

Brimblecombe, Julie, Ferguson, Megan, McMahon, Emma, Peeters, Anna, Miles, Edward, Wycherley, Thomas, Minaker, Leia M, De Silva, Khia, Greenacre, Luke and Mah, Catherine 2019, Reducing retail merchandising of discretionary food and beverages in remote Indigenous community stores: protocol for a randomized controlled trial, JMIR research protocols, vol. 8, no. 3, pp. 1-12, doi: 10.2196/12646.

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Title Reducing retail merchandising of discretionary food and beverages in remote Indigenous community stores: protocol for a randomized controlled trial
Author(s) Brimblecombe, Julie
Ferguson, Megan
McMahon, Emma
Peeters, AnnaORCID iD for Peeters, Anna orcid.org/0000-0003-4340-9132
Miles, Edward
Wycherley, Thomas
Minaker, Leia M
De Silva, Khia
Greenacre, Luke
Mah, Catherine
Journal name JMIR research protocols
Volume number 8
Issue number 3
Article ID e12646
Start page 1
End page 12
Total pages 12
Publisher JMIR Publications
Place of publication Toronto, Ont.
Publication date 2019-03-29
ISSN 1929-0748
Keyword(s) diet
food supply
indigenous population
randomized controlled trial
Summary BACKGROUND: Discretionary food and beverages (products high in saturated fat, added sugars, and salt) are detrimental to a healthy diet. Nevertheless, they provide 42% of total energy and account for 53% of food and beverage expenditure for remote living Aboriginal and Torres Strait Islander Australians, contributing to the excessive burden of chronic diseases experienced by this population group. OBJECTIVE: The aim of this study is to test an intervention to reduce sales of discretionary products, in collaboration with the Arnhem Land Progress Aboriginal Corporation (ALPA), which operates 25 stores in very remote Australia, by reducing their merchandising and substituting with core products in remote Australian communities. METHODS: We will use a community-level randomized controlled pragmatic trial design. Stores randomized to the intervention group will be supported by ALPA to reduce merchandising of 4 food categories (sugar, sugar-sweetened beverages, sweet biscuits, and confectionery) that together provide 64% of energy from discretionary foods and 87% of total free sugars in very remote community stores. The remaining stores (50% of total) will serve as controls and conduct business as usual. Electronic store sales data will be collected at baseline, 12-weeks intervention, and 24-weeks postintervention to objectively assess the primary outcome of percent change in purchases of free sugars (g/megajoule) and secondary business- and diet-related outcomes. Critical to ensuring translation to improved store policies and healthier diets in remote Indigenous Australia, we will conduct (1) an in-depth implementation evaluation to assess fidelity, (2) a customer intercept survey to investigate the relationship between customer characteristics and discretionary food purchasing, and (3) a qualitative study to identify policy supports for scale-up of health-enabling policy action in stores. RESULTS: As of August 2018, 20 stores consented to participate and were randomized to receive the intervention or continue usual business. The 12-week strategy ended in December 2018. The 24-week postintervention follow-up will occur in May 2019. Trial results are expected for 2019. CONCLUSIONS: Novel pragmatic research approaches are needed to inform policy for healthy retail food environments. This research will greatly advance our understanding of how the retail food environment can be used to improve population-level diet in the remote Australian Aboriginal and Torres Strait Islander context and retail settings globally. TRIAL REGISTRATION: Australian New Zealand Clinical Trials Registry ACTRN12618001588280; http://www.anzctr.org.au/Trial/Registration/TrialReview.aspx?id=375933 (Archived by WebCite at http://www.webcitation.org/76dbQEmwN). INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID): DERR1-10.2196/12646.
Language eng
DOI 10.2196/12646
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2019, Julie Brimblecombe, Megan Ferguson, Emma McMahon, Anna Peeters, Edward Miles, Thomas Wycherley, Leia M Minaker, Khia De Silva, Luke Greenacre, Catherine Mah
Persistent URL http://hdl.handle.net/10536/DRO/DU:30120667

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