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dc.contributor.authorMarshall, Steven J
dc.contributor.authorLivingstone, Katherine M
dc.contributor.authorCelis-Morales, Carlos
dc.contributor.authorForster, Hannah
dc.contributor.authorFallaize, Rosalind
dc.contributor.authorO'Donovan, Clare B
dc.contributor.authorWoolhead, Clara
dc.contributor.authorMarsaux, Cyril Fm
dc.contributor.authorMacready, Anna L
dc.contributor.authorNavas-Carretero, Santiago
dc.contributor.authorSan-Cristobal, Rodrigo
dc.contributor.authorKolossa, Silvia
dc.contributor.authorTsirigoti, Lydia
dc.contributor.authorLambrinou, Christina P
dc.contributor.authorMoschonis, George
dc.contributor.authorGodlewska, Magdalena
dc.contributor.authorSurwiłło, Agnieszka
dc.contributor.authorDrevon, Christian A
dc.contributor.authorManios, Yannis
dc.contributor.authorTraczyk, Iwona
dc.contributor.authorMartínez, J Alfredo
dc.contributor.authorSaris, Wim H
dc.contributor.authorDaniel, Hannelore
dc.contributor.authorGibney, Eileen R
dc.contributor.authorBrennan, Lorraine
dc.contributor.authorWalsh, Marianne C
dc.contributor.authorLovegrove, Julie A
dc.contributor.authorGibney, Mike
dc.contributor.authorMathers, John C
dc.contributor.authorFood4Me Study
dc.identifier.citationMarshall , S J , Livingstone , K M , Celis-Morales , C , Forster , H , Fallaize , R , O'Donovan , C B , Woolhead , C , Marsaux , C F , Macready , A L , Navas-Carretero , S , San-Cristobal , R , Kolossa , S , Tsirigoti , L , Lambrinou , C P , Moschonis , G , Godlewska , M , Surwiłło , A , Drevon , C A , Manios , Y , Traczyk , I , Martínez , J A , Saris , W H , Daniel , H , Gibney , E R , Brennan , L , Walsh , M C , Lovegrove , J A , Gibney , M , Mathers , J C & Food4Me Study 2016 , ' Reproducibility of the Online Food4Me Food-Frequency Questionnaire for Estimating Dietary Intakes across Europe ' , British Journal of Nutrition , vol. 146 , no. 5 , pp. 1068-75 .
dc.identifier.otherPURE: 10202883
dc.identifier.otherPURE UUID: 00e08590-fe0b-4fb5-a1e3-053ab4550d03
dc.identifier.otherPubMed: 27052541
dc.identifier.otherScopus: 84978832745
dc.descriptionThe final version of this paper has been published in The Journal of Nutrition, May 1, 2016, Vol 146 (5): 1068-1075, first published on line on April 6, 2016, available on line at doi: 10.3945/​jn.115.225078, © 2016 American Society for Nutrition
dc.description.abstractBACKGROUND: Accurate dietary assessment is key to understanding nutrition-related outcomes and is essential for estimating dietary change in nutrition-based interventions. OBJECTIVE: The objective of this study was to assess the pan-European reproducibility of the Food4Me food-frequency questionnaire (FFQ) in assessing the habitual diet of adults. METHODS: Participants from the Food4Me study, a 6-mo, Internet-based, randomized controlled trial of personalized nutrition conducted in the United Kingdom, Ireland, Spain, Netherlands, Germany, Greece, and Poland, were included. Screening and baseline data (both collected before commencement of the intervention) were used in the present analyses, and participants were included only if they completed FFQs at screening and at baseline within a 1-mo timeframe before the commencement of the intervention. Sociodemographic (e.g., sex and country) and lifestyle [e.g., body mass index (BMI, in kg/m(2)) and physical activity] characteristics were collected. Linear regression, correlation coefficients, concordance (percentage) in quartile classification, and Bland-Altman plots for daily intakes were used to assess reproducibility. RESULTS: In total, 567 participants (59% female), with a mean ± SD age of 38.7 ± 13.4 y and BMI of 25.4 ± 4.8, completed both FFQs within 1 mo (mean ± SD: 19.2 ± 6.2 d). Exact plus adjacent classification of total energy intake in participants was highest in Ireland (94%) and lowest in Poland (81%). Spearman correlation coefficients (ρ) in total energy intake between FFQs ranged from 0.50 for obese participants to 0.68 and 0.60 in normal-weight and overweight participants, respectively. Bland-Altman plots showed a mean difference between FFQs of 210 kcal/d, with the agreement deteriorating as energy intakes increased. There was little variation in reproducibility of total energy intakes between sex and age groups. CONCLUSIONS: The online Food4Me FFQ was shown to be reproducible across 7 European countries when administered within a 1-mo period to a large number of participants. The results support the utility of the online Food4Me FFQ as a reproducible tool across multiple European populations. This trial was registered at as NCT01530139.en
dc.relation.ispartofBritish Journal of Nutrition
dc.titleReproducibility of the Online Food4Me Food-Frequency Questionnaire for Estimating Dietary Intakes across Europeen
dc.contributor.institutionSchool of Life and Medical Sciences
dc.contributor.institutionDepartment of Biological and Environmental Sciences
dc.contributor.institutionWeight and Obesity Research Group
dc.description.statusPeer reviewed
rioxxterms.typeJournal Article/Review

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