The science behind the lifesum app: an intervention design analysis
Signe Svanfeldt, Chris Seth, Marcus Gners, Andreas Blomqvist

TL;DR
The Lifesum app uses a science-based approach to help users improve their diet and wellness through personalized nutrition tracking and recommendations.
Contribution
The paper presents a novel theoretical model for diet-related behavior change and its application in the Lifesum app's design.
Findings
A theoretical model emphasizing personal goal-attainment and motivation was developed to guide healthy eating behavior change.
Key dietary issues and mechanisms for positive impact were identified to inform the Lifesum app's design and functionality.
The app's features, such as nutrition tracking and personalized meal plans, are grounded in behavior change theory.
Abstract
Wellness is an increasingly important part of public health and can prevent both disease and death. Diet and nutrition are important factors that contribute to wellness and predict health outcomes. Adhering to healthy diets is notoriously difficult for many, and some support is often required. Increasingly, that support may be found in the shape of an app in a smartphone. One such app is Lifesum, with some 65 million users worldwide. Lifesum adopts a more holistic approach to nutrition and well-being, and adopted an evidence-based approach to its development. The aim of this study was to describe the scientific, theoretical basis for the Lifesum app and contribute to advancing science in the field of wellness app development. This was an intervention design analysis, designed to describe the theoretical model and intervention theory used to create the Lifesum app in its current…
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Taxonomy
TopicsMobile Health and mHealth Applications · Eating Disorders and Behaviors · Behavioral Health and Interventions
