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Titre : | Fast-Food Optimal Defaults Reduce Calories Ordered, as Well as Dietary Autonomy: A Scenario-Based Experiment (2023) |
Auteurs : | Monica Diaz-Beltran ; Barbara Almanza ; Karen Byrd ; Carl Behnke ; Douglas Nelson |
Type de document : | Article |
Dans : | Journal of the academy of nutrition and dietetics (Vol. 123, n°1, January 2023) |
Article en page(s) : | p. 65-76.e2 |
Note générale : | https://doi.org/10.1016/j.jand.2022.06.005 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Aliments de restauration rapide |
Mots-clés: | Valeur par défaut ; Autonomie alimentaire ; Problème de santé ; Repas combiné |
Résumé : | Background Low-calorie menu items as optimal defaults may encourage healthier choices when people eat out. Limited research has studied default effects from the restauranteurs? perspective, as well as the public health perspective. Objective To examine the effects of optimal defaults on calories ordered, dietary autonomy, and visit intention in the context of a fast-food drive-through. Design Between-subjects randomized scenario-based experiment. Participants/setting In all, 377 adults who lived in the United States were recruited through a crowdsourcing platform in July 2020. Intervention Participants were asked to visualize ordering a combo meal in a fast-food drive-through. They were randomly assigned to order from 1 of 3 menu boards: (1) menu items available for combos by customer choice, (2) combos that included traditional high-calorie default items, or (3) combos that included low-calorie optimal defaults. Main outcome measures Differences in calories ordered among groups, dietary autonomy, and restaurant visit intention. Analysis Statistical tests included multiple regression, Kruskal-Wallis, ?2, and 1-way analysis of variance. Covariates such as education and sex were tested in regression models as potential confounders. Results Compared with the choice combo meals, optimal combo meals reduced calories ordered by consumers (?337 kcal, standard error = 19, P |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S2212267222003458 |