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dc.contributor.authorRecio Rodríguez, José I. 
dc.contributor.authorRodríguez Martín, Carmela
dc.contributor.authorGonzález Sánchez, Jesús
dc.contributor.authorRodríguez Sánchez, Emiliano
dc.contributor.authorMartín Borras, Carme
dc.contributor.authorMartínez Vizcaino, Vicente
dc.contributor.authorArietaleanizbeaskoa, María Soledad
dc.contributor.authorMagdalena González, Olga
dc.contributor.authorFernández Alonso, Carmen
dc.contributor.authorMaderuelo Fernández, José A.
dc.contributor.authorGómez Marcos, Manuel A.
dc.contributor.authorGarcía Ortiz, Luis
dc.contributor.authorOn Behalf of the EVIDENT Investigators
dc.date.accessioned2020-01-09T09:50:28Z
dc.date.available2020-01-09T09:50:28Z
dc.date.issued2019-02
dc.identifier.urihttp://hdl.handle.net/10259/5202
dc.description.abstractBackground: More alternatives are needed for recording people’s normal diet in different populations, especially adults or the elderly, as part of the investigation into the effects of nutrition on health. Objective: The aim of this study was to compare the estimated values of energy intake, macro- and micronutrient, and alcohol consumption gathered using the EVIDENT II smartphone app against the data estimated with a food frequency questionnaire (FFQ) in an adult population aged 18 to 70 years. Methods: We included 362 individuals (mean age 52 years, SD 12; 214/362, 59.1% women) who were part of the EVIDENT II study. The participants registered their food intake using the EVIDENT app during a period of 3 months and through an FFQ. Both methods estimate the average nutritional composition, including energy intake, macro- and micronutrients, and alcohol. Through the app, the values of the first week of food recording, the first month, and the entire 3-month period were estimated. The FFQ gathers data regarding the food intake of the year before the moment of interview. Results: The intraclass correlation for the estimation of energy intake with the FFQ and the app shows significant results, with the highest values returned when analyzing the app’s data for the full 3-month period (.304, 95% CI 0.144-0.434; P<.001). For this period, the correlation coefficient for energy intake is .233 (P<.001). The highest value corresponds to alcohol consumption and the lowest to the intake of polyunsaturated fatty acids (r=.676 and r=.155; P<.001), respectively. The estimation of daily intake of energy, macronutrients, and alcohol presents higher values in the FFQ compared with the EVIDENT app data. Considering the values recorded during the 3-month period, the FFQ for energy intake estimation (Kcal) was higher than that of the app (a difference of 408.7, 95% CI 322.7-494.8; P<.001). The same is true for the other macronutrients, with the exception g/day of saturated fatty acids (.4, 95% CI −1.2 to 2.0; P=.62). Conclusions: The EVIDENT app is significantly correlated to FFQ in the estimation of energy intake, macro- and micronutrients, and alcohol consumption. This correlation increases with longer app recording periods. The EVIDENT app can be a good alternative for recording food intake in the context of longitudinal or intervention studies. Trial Registration: ClinicalTrials.gov NCT02016014; http://clinicaltrials.gov/ct2/show/NCT02016014 (Archived by WebCite at http://www.webcitation.org/760i8EL8Q).en
dc.description.sponsorshipSpanish Ministry of Science and Innovation and Carlos III Health Institute/European Regional Development Fund (FIS: PI13/00618, PI13/01526, PI13/00058, PI13/01635, PI13/02528, PI12/01474; RETICS: RD12/0005, RD16/0007), Regional Health Management of Castilla and León (GRS 1191/B/15, GRS 909/B/14, GRS 770/B/13), and the Infosalud Foundationen
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherJMIR Publications
dc.relation.ispartofJMIR mHealth and uHealth. 2019, V. 7, n. 2, e11463
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjecttechnology assessmenten
dc.subjectbiomedicalen
dc.subjecttelemedicineen
dc.subjectenergy intakeen
dc.subjectdiet recordsen
dc.subjectsurveys and questionnairesen
dc.subject.otherNutriciónes
dc.subject.otherNutritionen
dc.titleEVIDENT smartphone app, a new method for the dietary record: comparison with a food frequency questionnaireen
dc.typeinfo:eu-repo/semantics/article
dc.rights.holderAtribución 4.0 Internacional*
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.relation.publisherversionhttps://doi.org/10.2196/11463
dc.identifier.doi10.2196/11463
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/PI13/00618
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/PI13/01526
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/PI13/00058
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/PI13/01635
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/PI13/02528
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/PI12/01474
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/RD12/0005
dc.relation.projectIDinfo:eu-repo/grantAgreement/MICINN/RD16/0007
dc.relation.projectIDinfo:eu-repo/grantAgreement/JCyL/1191-B-15
dc.relation.projectIDinfo:eu-repo/grantAgreement/JCyL/909-B-14
dc.relation.projectIDinfo:eu-repo/grantAgreement/JCyL/770-B-13
dc.identifier.essn2291-5222
dc.type.hasVersioninfo:eu-repo/semantics/publishedVersion


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