Feasibility and potential effect of a pilot blended digital behavior change intervention promoting sustainable diets over a year

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• dc.contributor.author Fresán, Ujué
• dc.contributor.author López Moreno, Miguel
• dc.contributor.author Fàbregues Feijóo, Sergi
• dc.contributor.author Bernard, Paquito
• dc.contributor.author Boronat Rigol, Anna, 1990-
• dc.contributor.author Araújo Soares, Vera
• dc.contributor.author König, Laura M.
• dc.contributor.author Buekers, Joren
• dc.contributor.author Chevance, Guillaume
• dc.date.accessioned 2025-02-26T07:14:31Z
• dc.date.available 2025-02-26T07:14:31Z
• dc.date.issued 2025
• dc.description.abstract Well-designed effective interventions promoting sustainable diets are urgently needed to benefit both human and planetary health. This study evaluated the feasibility, acceptability, and potential impact of a pilot blended digital intervention aimed at promoting sustainable diets. We conducted a series of ABA n-of-1 trials with baseline, intervention, and follow-up phases over the course of a year, involving twelve participants. The intervention included text messages, and individualized online feedback sessions. Quantitative data on diet composition was collected daily for 15 weeks distributed over the year. Qualitative data was collected through interviews at the end of each phase. Results showed high feasibility and acceptability: 100% retention rate, 75% attendance at all feedback sessions, and an average response rate of 86% to the dietary questionnaires. The intervention had a positive and significant effect on the overall diet composition. Specifically, 92% of the participants significantly increased their daily fruit and vegetable consumption, and 58% significantly reduced their intake of red and processed meat as well as ultra-processed foods. Participants also reported reducing food waste, choosing minimally packaged and in-season foods, and prioritizing fair-sourced food. The study demonstrates the potential of digital interventions to effectively promote sustainable dietary behaviors and offers insights for future large-scale implementations. Upcoming iterations should involve a more diverse population, particularly less motivated individuals and with more diverse socioeconomic status.International Registered Report Identifier (IRRID): PRR1-10.2196/41443.
• dc.description.sponsorship UF, JB and GC acknowledge support from the Spanish Ministry of Science and Innovation and State Research Agency through the “Centro de Excelencia Severo Ochoa 2019–2023” program (CEX2018-000806-S) and support from the Generalitat de Catalunya through the Centres de Recerca de Catalunya program. UF has also been awarded with a Daniel Carasso postdoctoral fellowship (funded by Fundación Daniel y Nina Carasso), and GC with the grant RYC2021-033537-I, supported by MCIN/AEI/https://doi.org/10.13039/501100011033 and by the European Union NextGenerationEU/PRTR. Funders has no role in the conceptualization, design, data collection, analysis, decision to publish, or preparation of the manuscript.
• dc.format.mimetype application/pdf
• dc.identifier.citation Fresán U, López-Moreno M, Fàbregues S, Bernard P, Boronat A, Araújo-Soares V, et al. Feasibility and potential effect of a pilot blended digital behavior change intervention promoting sustainable diets over a year. Sci Rep. 2025 Jan 15;15(1):2052. DOI: 10.1038/s41598-025-85307-5
• dc.identifier.doi http://dx.doi.org/10.1038/s41598-025-85307-5
• dc.identifier.issn 2045-2322
• dc.identifier.uri http://hdl.handle.net/10230/69747
• dc.language.iso eng
• dc.publisher Nature Research
• dc.relation.ispartof Sci Rep. 2025 Jan 15;15(1):2052
• dc.relation.projectID info:eu-repo/grantAgreement/ES/2PE/CEX2018-000806-S
• dc.relation.projectID info:eu-repo/grantAgreement/ES/3PE/RYC2021-033537-I
• dc.rights © The Author(s) 2025. Open Access This article is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License, which permits any non-commercial use, sharing, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if you modified the licensed material. You do not have permission under this licence to share adapted material derived from this article or parts of it. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by-nc-nd/4.0/.
• dc.rights.accessRights info:eu-repo/semantics/openAccess
• dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/4.0/
• dc.subject.keyword Dietary sustainability
• dc.subject.keyword Eating behavior change
• dc.subject.keyword N-of-1
• dc.subject.keyword Nutritional education
• dc.subject.keyword eHealth
• dc.subject.keyword mHealth
• dc.title Feasibility and potential effect of a pilot blended digital behavior change intervention promoting sustainable diets over a year
• dc.type info:eu-repo/semantics/article
• dc.type.version info:eu-repo/semantics/publishedVersion