Academic Journal
The impact of restricting price promotions on foods high in fat, sugar and salt on purchasing behaviours: a randomised controlled trial in a simulated online supermarket in the UK.
| Τίτλος: | The impact of restricting price promotions on foods high in fat, sugar and salt on purchasing behaviours: a randomised controlled trial in a simulated online supermarket in the UK. |
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| Συγγραφείς: | Jia R; Nuffield Department of Primary Care Health Sciences, University of Oxford, UK., Bianchi F; Behavioural Insights Team, UK.; NESTA, UK., Luick M; Nuffield Department of Population Health, University of Oxford, UK., Hilliard D; NESTA, UK., Bain F; NESTA, UK., Bandy L; Nuffield Department of Primary Care Health Sciences, University of Oxford, UK., Finlayson A; Behavioural Insights Team, UK., Horwell B; Behavioural Insights Team, UK., Meyer Zu Brickwedde E; Behavioural Insights Team, UK., Stuijfzand B; Behavioural Insights Team, UK., Tagliaferri G; Behavioural Insights Team, UK., Whitwell-Mak J; Behavioural Insights Team, UK., Pechey R; Nuffield Department of Primary Care Health Sciences, University of Oxford, UK., Harper H; NESTA, UK. |
| Πηγή: | Public health nutrition [Public Health Nutr] 2026 Jul 09; Vol. 29 (1), pp. e156. Date of Electronic Publication: 2026 Jul 09. |
| Τύπος έκδοσης: | Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Cambridge University Press Country of Publication: England NLM ID: 9808463 Publication Model: Electronic Cited Medium: Internet ISSN: 1475-2727 (Electronic) Linking ISSN: 13689800 NLM ISO Abbreviation: Public Health Nutr Subsets: MEDLINE |
| Imprint Name(s): | Publication: <2007- > : Oxford : Cambridge University Press Original Publication: Wallingford, Oxon, UK : Published on behalf of the Nutrition Society by CAB International, c1998- |
| Ιατρικοί όροι (MeSH): | Dietary Fats*/economics , Dietary Fats*/administration & dosage , Consumer Behavior*/economics , Dietary Sugars*/economics , Sodium Chloride, Dietary*/economics , Commerce* , Food Markets* , Food Preferences*, Diet/economics ; Humans ; United Kingdom ; Adult ; Female ; Male ; Choice Behavior ; Middle Aged ; Energy Intake |
| Περίληψη: | Objective: Price promotions influence food choices and are disproportionately applied to foods high in fat, sugar and salt (HFSS), consumption of which is a known contributor to poor diet and diet-related non-communicable diseases. This study evaluates the effectiveness of (1) restricting price promotions of HFSS products and (2) allowing such promotions but restricting communications regarding them in changing purchasing behaviours. Design: Between-subjects randomised controlled trial with three arms: (1) reduced price, labelled a price promotion ('Usual Practice'); (2) reduced price, not labelled a price promotion ('No Communication') and (3) standard price ('No Promotion'). Participants selected food and drinks for 2 d in a one-off shop, without restrictions on the number of items to purchase or the budget, at a simulated online supermarket. We measured total energy (kcal) in basket, total cost, total number of items, energy density (kcal/100 g) and proportion of the basket that was HFSS. Setting: Simulated online supermarket. Participants: Adults representative of the UK population (n 9004). Results: There were no significant differences in energy in baskets between groups, after controlling for age, sex, household income, ethnicity and deprivation. No significant differences were found between groups' baskets for total cost, energy density or proportion HFSS. Participants in the 'Usual Practice' group selected significantly more items than the 'No Promotion' group (11·4 v. 11·1; P = 0·003). Conclusions: No significant effects of restricting price promotions, or communications of them, were found for purchasing behaviours in a simulated online supermarket. Further price-based interventions, especially in real-world settings, are needed to provide robust policy recommendations. |
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| Contributed Indexing: | Keywords: Communication; HFSS; Price; Promotion; Randomised controlled trial |
| Substance Nomenclature: | 0 (Dietary Fats) 0 (Dietary Sugars) 0 (Sodium Chloride, Dietary) |
| Entry Date(s): | Date Created: 20260709 Date Completed: 20260729 Latest Revision: 20260910 |
| Update Code: | 20260911 |
| PubMed Central ID: | PMC13434572 |
| DOI: | 10.1017/S1368980026103073 |
| PMID: | 42421305 |
| Βάση Δεδομένων: | MEDLINE |
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