| Titre : | A 2-Phase Labeling and Choice Architecture Intervention to Improve Healthy Food and Beverage Choices. (2012) |
| Auteurs : | THORNDIKE (Anne-N) : USA. General Medicine Unit. Massachusetts General Hospital. Boston. MA. ; Susan BARRACLOUGH ; LEVY (Douglas-E) : USA. Institute for Health Policy. Massachusetts General Hospital. ; RIIS (Jason) : USA. Marketing Unit. Harvard Business School. Boston. MA. ; Lillian SONNENBERG ; Nutrition and Food Services. Massachusetts General Hospital. USA |
| Type de document : | Article |
| Dans : | American journal of public health (vol. 102, n° 3, 2012) |
| Pagination : | 527-533 |
| Langues: | Anglais |
| Mots-clés : | Architecture ; Amélioration ; Aliment ; Boisson |
| Résumé : | [BDSP. Notice produite par INIST-CNRS J7pjFR0x. Diffusion soumise à autorisation]. Objectives. We assessed whether a 2-phase labeling and choice architecture intervention would increase sales of healthy food and beverages in a large hospital cafeteria. Methods. Phase 1 was a 3-month color-coded labeling intervention (red =unhealthy, yellow =less healthy, green =healthy). Phase 2 added a 3-month choice architecture intervention that increased the visibility and convenience of some green items. We compared relative changes in 3-month sales from baseline to phase 1 and from phase 1 to phase 2. Results. At baseline (977793 items, including 199513 beverages), 24.9 % of sales were red and 42.2 % were green. Sales of red items decreased in both phases (P <. 001), and green items increased in phase 1 (P <. 001). The largest changes occurred among beverages. Red beverages decreased 16.5 % during phase 1 (P <. 001) and further decreased 11.4 % in phase 2 (P <. 001). Green beverages increased 9.6 % in phase 1 (P <. 001) and further increased 4.0 % in phase 2 (P <. 001). Bottled water increased 25.8 % during phase 2 (P <. 001) but did not increase at 2 on-site comparison cafeterias (P <. 001). Conclusions. A color-coded labeling intervention improved sales of healthy items and was enhanced by a choice architecture intervention. |
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