Electronic Dietary Intake Assessment (e-DIA): relative validity of a mobile phone application to measure intake of food groups

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dc.contributor.author Rangan, AM en
dc.contributor.author Tieleman, L en
dc.contributor.author Louie, JCY en
dc.contributor.author Tang, LM en
dc.contributor.author Hebden, L en
dc.contributor.author Roy, Rajshri en
dc.contributor.author Kay, J en
dc.contributor.author Allman-Farinelli, M en
dc.date.accessioned 2016-12-19T03:55:57Z en
dc.date.available 2016-03-08 en
dc.date.issued 2016-06 en
dc.identifier.citation British Journal of Nutrition, June 2016, 115 (12), 2219 - 2226 en
dc.identifier.issn 0007-1145 en
dc.identifier.uri http://hdl.handle.net/2292/31448 en
dc.description.abstract Automation of dietary assessment can reduce limitations of established methodologies, by alleviating participant and researcher burden. Designed as a research tool, the electronic Dietary Intake Assessment (e-DIA) is a food record in mobile phone application format. The present study aimed to examine the relative validity of the e-DIA with the 24-h recall method to estimate intake of food groups. A sample of eighty university students aged 19–24 years recorded 5 d of e-DIA and 3 d of recall within this 5-d period. The three matching days of dietary data were used for analysis. Food intake data were disaggregated and apportioned to one of eight food groups. Median intakes of food groups were similar between the methods, and strong correlations were found (mean: 0·79, range: 0·69–0·88). Cross-classification by tertiles produced a high level of exact agreement (mean: 71 %, range: 65–75 %), and weighted κ values were moderate to good (range: 0·54–0·71). Although mean differences (e-DIA–recall) were small (range: –13 to 23 g), limits of agreement (LOA) were relatively large (e.g. for vegetables, mean difference: –4 g, LOA: –159 to 151 g). The Bland–Altman plots showed robust agreement, with minimum bias. This analysis supports the use of e-DIA as an alternative to the repeated 24-h recall method for ranking individuals’ food group intake. en
dc.description.uri https://www.ncbi.nlm.nih.gov/pubmed/27121045 en
dc.language English en
dc.publisher Cambridge University Press en
dc.relation.ispartofseries British Journal of Nutrition en
dc.rights Items in ResearchSpace are protected by copyright, with all rights reserved, unless otherwise indicated. Previously published items are made available in accordance with the copyright policy of the publisher. Details obtained from http://www.sherpa.ac.uk/romeo/issn/0007-1145/ http://journals.cambridge.org/images/fileUpload/documents/EJB_ctf.pdf en
dc.rights.uri https://researchspace.auckland.ac.nz/docs/uoa-docs/rights.htm en
dc.title Electronic Dietary Intake Assessment (e-DIA): relative validity of a mobile phone application to measure intake of food groups en
dc.type Journal Article en
dc.identifier.doi 10.1017/S0007114516001525 en
pubs.issue 12 en
pubs.begin-page 2219 en
pubs.volume 115 en
dc.description.version VoR - Version of Record en
dc.identifier.pmid 27121045 en
pubs.author-url https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/div-classtitleelectronic-dietary-intake-assessment-e-dia-relative-validity-of-a-mobile-phone-application-to-measure-intake-of-food-groupsdiv/780B4117D4872C9F8B7A1AB64D155950 en
pubs.end-page 2226 en
pubs.publication-status Published en
dc.rights.accessrights http://purl.org/eprint/accessRights/RestrictedAccess en
pubs.subtype Article en
pubs.elements-id 539684 en
pubs.org-id Medical and Health Sciences en
pubs.org-id Medical Sciences en
pubs.org-id Nutrition en
dc.identifier.eissn 1475-2662 en
pubs.record-created-at-source-date 2016-12-19 en
pubs.online-publication-date 2016-04-28 en
pubs.dimensions-id 27121045 en


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