Reproducibility of the online food4me food-frequency questionnaire for estimating dietary intakes across Europe

Marshall, Steven J., Livingstone, Katherine M., Celis-Morales, Carlos, Forster, Hannah, Fallaize, Rosalind, O'Donovan, Clare B., Woolhead, Clara, Marsaux, Cyril FM, Macready, Anna L., Navas-Carretero, Santiago, San-Cristobal, Rodrigo, Kolossa, Silvia, Tsirigoti, Lydia, Lambrinou, Christina P., Moschonis, George, Godlewska, Magdalena, Surwiłło, Agnieszka, Drevon, Christian A., Manios, Yannis, Traczyk, Iwona, Martínez, J. Alfredo, Saris, Wim H., Daniel, Hannelore, Gibney, Eileen, Brennan, Lorraine, Walsh, Marianne C., Lovegrove, Julie A., Gibney, Mike and Mathers, John C. 2016, Reproducibility of the online food4me food-frequency questionnaire for estimating dietary intakes across Europe, Journal of Nutrition, vol. 146, no. 5, pp. 1068-1075, doi: 10.3945/jn.115.225078.

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Title Reproducibility of the online food4me food-frequency questionnaire for estimating dietary intakes across Europe
Author(s) Marshall, Steven J.
Livingstone, Katherine M.ORCID iD for Livingstone, Katherine M.
Celis-Morales, Carlos
Forster, Hannah
Fallaize, Rosalind
O'Donovan, Clare B.
Woolhead, Clara
Marsaux, Cyril FM
Macready, Anna L.
Navas-Carretero, Santiago
San-Cristobal, Rodrigo
Kolossa, Silvia
Tsirigoti, Lydia
Lambrinou, Christina P.
Moschonis, George
Godlewska, Magdalena
Surwiłło, Agnieszka
Drevon, Christian A.
Manios, Yannis
Traczyk, Iwona
Martínez, J. Alfredo
Saris, Wim H.
Daniel, Hannelore
Gibney, Eileen
Brennan, Lorraine
Walsh, Marianne C.
Lovegrove, Julie A.
Gibney, Mike
Mathers, John C.
Journal name Journal of Nutrition
Volume number 146
Issue number 5
Start page 1068
End page 1075
Total pages 8
Publisher American Society for Nutrition
Place of publication Rockville, Md.
Publication date 2016-05-01
ISSN 1541-6100
Keyword(s) European
dietary intakes
food-frequency questionnaire
Food4Me Study
Summary BACKGROUND: 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.
Language eng
DOI 10.3945/jn.115.225078
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
1111 Nutrition And Dietetics
0702 Animal Production
0908 Food Sciences
Socio Economic Objective 920411 Nutrition
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, American Society for Nutrition
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Document type: Journal Article
Collections: Faculty of Health
School of Exercise and Nutrition Sciences
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