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

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dc.contributor.authorJannasch, Franziska
dc.contributor.authorRiordan, Fiona
dc.contributor.authorAndersen, Lene Frost
dc.contributor.authorSchulze, Matthias B.
dc.contributor.funderBundesministerium für Bildung und Forschung
dc.date.accessioned2018-09-27T12:08:23Z
dc.date.available2018-09-27T12:08:23Z
dc.date.issued2018
dc.description.abstractBesides 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.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationJannasch, 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/S0007114518001800en
dc.identifier.doi10.1017/S0007114518001800
dc.identifier.endpage11
dc.identifier.issn0007-1145
dc.identifier.issn1475-2662
dc.identifier.journaltitleBritish Journal of Nutritionen
dc.identifier.startpage1
dc.identifier.urihttps://hdl.handle.net/10468/6943
dc.language.isoenen
dc.publisherNutrition Societyen
dc.relation.urihttps://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.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectSystematic literature reviewsen
dc.subjectexploratory dietary pattern methodsen
dc.subjectdietary patternsen
dc.subjectpan-european studiesen
dc.subjectdeterminants of diet and physical activity knowledge huben
dc.subjectvalidationen
dc.titleExploratory dietary patterns: a systematic review of methods applied in pan-European studies and of validation studiesen
dc.typeArticle (peer-reviewed)en
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