Exploratory dietary patterns: a systematic review of methods applied in pan-European studies and of validation studies

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dc.contributor.author Jannasch, Franziska
dc.contributor.author Riordan, Fiona
dc.contributor.author Andersen, Lene Frost
dc.contributor.author Schulze, Matthias B.
dc.date.accessioned 2018-09-27T12:08:23Z
dc.date.available 2018-09-27T12:08:23Z
dc.date.issued 2018
dc.identifier.citation Jannasch, F., Riordan, F., Andersen, L. F. and Schulze, M. B. (2018) 'Exploratory dietary patterns: a systematic review of methods applied in pan-European studies and of validation studies', British Journal of Nutrition, pp. 1-11. doi:10.1017/S0007114518001800 en
dc.identifier.startpage 1
dc.identifier.endpage 11
dc.identifier.issn 0007-1145
dc.identifier.issn 1475-2662
dc.identifier.uri http://hdl.handle.net/10468/6943
dc.identifier.doi 10.1017/S0007114518001800
dc.description.abstract Besides a priori approaches, using previous knowledge about food characteristics, exploratory dietary pattern (DP) methods, using data at hand, are commonly applied. This systematic literature review aimed to identify exploratory methods on DP in pan-European studies and to inform the development of the DEterminants of DIet and Physical ACtivity (DEDIPAC) toolbox of methods suitable for use in future European studies. The search was conducted in three databases on prospective studies in healthy, free-living people across the whole life span. To identify validated DP methods, an additional search without regional restrictions was conducted. Studies including at least two European countries were retained. The search resulted in six pan-European studies applying principal component/factor analysis (PC/FA) (n 5) or cluster analysis (n 2). The criteria to retain PC/factors ranged from the application of the eigenvalue>1 criterion, the scree plot and/or the interpretability criterion. Furthermore, seven validation studies were identified: DP, derived by PC/FA (n 6) or reduced rank regression (RRR) (n 1) were compared using dietary information from FFQ (n 6) or dietary history (n 1) as study instrument and dietary records (n 6) or 24-h dietary recalls (n 1) as reference. The correlation coefficients for the derived DP ranged from modest to high. To conclude, PC/FA was predominantly applied using the eigenvalue criterion and scree plot to retain DP, but a better description of the applied criteria is highly recommended to enable a standardised application of the method. Research gaps were identified for the methods cluster analysis and RRR, as well as for validation studies on DP. en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Nutrition Society en
dc.relation.uri https://www.cambridge.org/core/journals/british-journal-of-nutrition/article/exploratory-dietary-patterns-a-systematic-review-of-methods-applied-in-paneuropean-studies-and-of-validation-studies/DFF11F1D1496B3CE73BF501E148EDBA6
dc.rights © 2018, the Authors. This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. en
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.subject Systematic literature reviews en
dc.subject exploratory dietary pattern methods en
dc.subject dietary patterns en
dc.subject pan-european studies en
dc.subject determinants of diet and physical activity knowledge hub en
dc.subject validation en
dc.title Exploratory dietary patterns: a systematic review of methods applied in pan-European studies and of validation studies en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Fiona Riordan, Epidemiology and Public Health, University College Cork, Cork, Ireland. +353-21-490-3000 Email: f.riordan@ucc.ie en
dc.internal.availability Full text available en
dc.description.version Published Version en
dc.contributor.funder Bundesministerium für Bildung und Forschung
dc.description.status Peer reviewed en
dc.identifier.journaltitle British Journal of Nutrition en
dc.internal.IRISemailaddress fiona.riordan@ucc.ie en


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© 2018, the Authors. This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. Except where otherwise noted, this item's license is described as © 2018, the Authors. This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
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