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PubMed · 42264101

Development, feasibility, acceptability, and preliminary impact of NutriSOS®: A behavioral mobile app to promote sustainable diets.

Mariana Lares-Michel·Fatima Ezzahra Housni·Rosa María Michel-Nava·Gamaliel Jakousi Bernal Joaquín·Carlos Emiliano Arteaga Flores·Cinthia Josefina Patricio Contreras·Jose Roberto Espinoza Villegas
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Abstract

The primary objective of this study was to describe the development of the NutriSOS&#xae; app and to evaluate its feasibility and acceptability for its use in the NutriSOS&#xae; Randomized Controlled Trial (RCT) to promote sustainable diets. A secondary objective was to explore preliminary changes in dietary and physical activity behaviors and environmental impact following app use. The NutriSOS&#xae; app integrates personalized dietary advice, educational content, self-monitoring, and social interaction features. A single-arm, pre-post pilot study was conducted in 37 young Mexican adults over four weeks. Feasibility, acceptability, quality, and usability were assessed using online surveys, alongside exploratory changes in dietary and physical activity behaviors, environmental indicators, and their association with perceived behavioral determinants. Feasibility and acceptability were high overall, with favorable responses reaching up to 100% in key components such as the nutritional guide and learning modules, and above 90% for messaging, registration, and design. Greater variability was observed in some sections, particularly the 24-h recall (41-86%). Reductions in red and processed meat and ultra-processed food consumption were observed (from 3 to 1 times/week, p&#xa0;<&#xa0;0.01), with &#x223c;60% decreases in their related environmental footprints (p&#xa0;<&#xa0;0.01) and favorable self-reported behavioral determinants (p&#xa0;<&#xa0;0.0001). Physical activity type and intensity changed (p&#xa0;<&#xa0;0.05). These findings support NutriSOS&#xae; as a feasible and acceptable tool, while highlighting areas for refinement, particularly those related to the time and effort required for data entry, prior to its implementation in the NutriSOS&#xae; RCT, in which its effectiveness will be formally evaluated.

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HumansMobile ApplicationsMaleFemaleFeasibility StudiesYoung AdultAdultPilot ProjectsExerciseHealth PromotionMexicoDietHealth BehaviorDiet, HealthyFeeding BehaviorBehavior change techniquesDietary behaviorEnvironmental impact of dietsMobile applicationNutrition interventionSustainable dietsmHealthJournal ArticleRandomized Controlled Trial

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Mariana Lares-Michel, Fatima Ezzahra Housni, Rosa Mar&#xed;a Michel-Nava, Gamaliel Jakousi Bernal Joaqu&#xed;n, Carlos Emiliano Arteaga Flores, Cinthia Josefina Patricio Contreras, Jose Roberto Espinoza Villegas. 2026-06-09. Development, feasibility, acceptability, and preliminary impact of NutriSOS&#xae;: A behavioral mobile app to promote sustainable diets.. https://doi.org/10.1016/j.appet.2026.108610

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Journal Article; Randomized Controlled Trial resourceAdult subjectDiet subjectExercise subjectFeasibility Studies subjectFeeding Behavior subjectFemale subjectHealth Behavior subjectHealth Promotion subjectHumans subjectJournal Article subjectMale subjectRandomized controlled trials study

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