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      Alimentación 3.0: aspectos de interés en la práctica diaria Translated title: Diet 3.0: practical issues in everyday life

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          Abstract

          Resumen Internet y las nuevas tecnologías han cambiado la forma de obtener información de todo tipo, también información relacionada con la alimentación y la salud. Se han multiplicado las fuentes de información y los generadores de contenidos. El médico, seguido por otros profesionales de la salud, son los profesionales en quien más confían los ciudadanos para consultar sus dudas sobre alimentación y salud, pero internet y las redes sociales se utilizan cada vez con mayor frecuencia. La información disponible en la red sobre alimentación, nutrición y salud procede de muy distintas fuentes y ámbitos: revistas científicas, instituciones académicas, organismos sanitarios, asociaciones (científicas, profesionales, de consumidores...), empresas de distintos sectores que ofrecen información y venden sus productos o bien particulares con distintos perfiles que pueden estar o no cualificados y presentar opiniones personales independientes o interesadas. El hecho de que al buscar en la red temas de salud los ciudadanos accedan, junto a fuentes contrastadas, a sitios con información de dudosa calidad ha preocupado a las autoridades, Administraciones y organismos competentes y profesionales sanitarios. Hace tiempo que se han impulsado iniciativas para desarrollar sistemas que permitan reconocer webs que ofrezcan contenidos de salud de confianza y de calidad para los usuarios y consumidores. Es necesario que profesionales sanitarios cualificados contribuyan a la difusión en la red de información de calidad y fácil de comprender y que faciliten el acceso a fuentes de información fiables por medio de repertorios. Los ciudadanos-pacientes-consumidores necesitan información fiable y accesible para poder tomar decisiones informadas sobre su alimentación, sobre su cuidado o el de su familia y para poder participar en iniciativas comunitarias.

          Translated abstract

          Abstract Internet and the new technologies have changed the way of obtaining information of all kinds; also, information related to food and health. The sources of information and content generators have multiplied Doctors followed by other health professionals are the professional's citizens trust most to consults their doubts regarding health, food and nutrition, but the internet and social networks are increasingly used. The information on food, nutrition and health available on the net comes from very different sources and areas; from scientific journals, academic institutions, health organizations, scientific societies, professional, consumer or other kind of associations, companies from an array of sector who offer information and sell their products, or individuals with different profiles, who may or may not be qualified and present personal opinions, either independent or interested. The fact that when searching the internet for health issues citizens can access together with contrasted sources, other sites which publish information of uncertain quality has worried competent bodies and health professionals. A number of initiatives have been promoted to develop systems that allow the identification of websites that offer trusted quality health content, useful for patients and consumers. It is necessary that qualified health professionals contribute to the dissemination of quality information, easy to understand, in the internet and facilitate access to reliable information sources through directories. Citizens-active patients- active consumers need trusted information a reach in order to adopt informed decisions related to food consumption, own care or that of their families as well as to be able to participate in community actions.

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          Perceptions of Smartphone User-Centered Mobile Health Tracking Apps Across Various Chronic Illness Populations: An Integrative Review

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            Insights From Google Play Store User Reviews for the Development of Weight Loss Apps: Mixed-Method Analysis

            Background Significant weight loss takes several months to achieve, and behavioral support can enhance weight loss success. Weight loss apps could provide ongoing support and deliver innovative interventions, but to do so, developers must ensure user satisfaction. Objective The aim of this study was to conduct a review of Google Play Store apps to explore what users like and dislike about weight loss and weight-tracking apps and to examine qualitative feedback through analysis of user reviews. Methods The Google Play Store was searched and screened for weight loss apps using the search terms weight loss and weight track*, resulting in 179 mobile apps. A content analysis was conducted based on the Oxford Food and Activity Behaviors taxonomy. Correlational analyses were used to assess the association between complexity of mobile health (mHealth) apps and popularity indicators. The sample was then screened for popular apps that primarily focus on weight-tracking. For the resulting subset of 15 weight-tracking apps, 569 user reviews were sampled from the Google Play Store. Framework and thematic analysis of user reviews was conducted to assess which features users valued and how design influenced users’ responses. Results The complexity (number of components) of weight loss apps was significantly positively correlated with the rating (r=.25; P=.001), number of reviews (r=.28; P<.001), and number of downloads (r=.48; P<.001) of the app. In contrast, in the qualitative analysis of weight-tracking apps, users expressed preference for simplicity and ease of use. In addition, we found that positive reinforcement through detailed feedback fostered users’ motivation for further weight loss. Smooth functioning and reliable data storage emerged as critical prerequisites for long-term app usage. Conclusions Users of weight-tracking apps valued simplicity, whereas users of comprehensive weight loss apps appreciated availability of more features, indicating that complexity demands are specific to different target populations. The provision of feedback on progress can motivate users to continue their weight loss attempts. Users value seamless functioning and reliable data storage.
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              A New Tool for Nutrition App Quality Evaluation (AQEL): Development, Validation, and Reliability Testing

              Background The extensive availability and increasing use of mobile apps for nutrition-based health interventions makes evaluation of the quality of these apps crucial for integration of apps into nutritional counseling. Objective The goal of this research was the development, validation, and reliability testing of the app quality evaluation (AQEL) tool, an instrument for evaluating apps’ educational quality and technical functionality. Methods Items for evaluating app quality were adapted from website evaluations, with additional items added to evaluate the specific characteristics of apps, resulting in 79 initial items. Expert panels of nutrition and technology professionals and app users reviewed items for face and content validation. After recommended revisions, nutrition experts completed a second AQEL review to ensure clarity. On the basis of 150 sets of responses using the revised AQEL, principal component analysis was completed, reducing AQEL into 5 factors that underwent reliability testing, including internal consistency, split-half reliability, test-retest reliability, and interrater reliability (IRR). Two additional modifiable constructs for evaluating apps based on the age and needs of the target audience as selected by the evaluator were also tested for construct reliability. IRR testing using intraclass correlations (ICC) with all 7 constructs was conducted, with 15 dietitians evaluating one app. Results Development and validation resulted in the 51-item AQEL. These were reduced to 25 items in 5 factors after principal component analysis, plus 9 modifiable items in two constructs that were not included in principal component analysis. Internal consistency and split-half reliability of the following constructs derived from principal components analysis was good (Cronbach alpha >.80, Spearman-Brown coefficient >.80): behavior change potential, support of knowledge acquisition, app function, and skill development. App purpose split half-reliability was .65. Test-retest reliability showed no significant change over time (P>.05) for all but skill development (P=.001). Construct reliability was good for items assessing age appropriateness of apps for children, teens, and a general audience. In addition, construct reliability was acceptable for assessing app appropriateness for various target audiences (Cronbach alpha >.70). For the 5 main factors, ICC (1,k) was >.80, with a P value of <.05. When 15 nutrition professionals evaluated one app, ICC (2,15) was .98, with a P value of <.001 for all 7 constructs when the modifiable items were specified for adults seeking weight loss support. Conclusions Our preliminary effort shows that AQEL is a valid, reliable instrument for evaluating nutrition apps’ qualities for clinical interventions by nutrition clinicians, educators, and researchers. Further efforts in validating AQEL in various contexts are needed.
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                Author and article information

                Journal
                nh
                Nutrición Hospitalaria
                Nutr. Hosp.
                Grupo Arán (Madrid, Madrid, Spain )
                0212-1611
                1699-5198
                2018
                : 35
                : spe4
                : 85-95
                Affiliations
                [2] Vizcaya orgnameFundación Vasca de Innovación e Investigación Sanitarias (BIOEF) orgdiv1Biobanco Vasco Spain
                [1] Vizcaya orgnameUniversidad del País Vasco-Euskal Herriko Unibertsitatea (UPV/EHU) orgdiv1Facultad de Medicina orgdiv2Departamento de Fisiología Spain
                Article
                S0212-16112018000700085 S0212-1611(18)03500400085
                10.20960/nh.2132
                95c4adbf-2077-4af2-8c53-dc141a16f45b

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 42, Pages: 11
                Product

                SciELO Spain

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                Trabajos Originales

                Health,Internet,Food,Salud,Patient portals,Alimentación,Social media,Portales del paciente,Medios de comunicación social

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