Validity of a questionnaire measuring motives for choosing foods including sustainable concerns

Valérie Sautron, Sandrine Peneau (s.peneau@eren.smbh.univ-paris13.fr), Géraldine Camilleri (g.camilleri@uren.smbh.univ-paris13.fr), Laurent Muller (laurent.muller@inrae.fr), Bernard Ruffieux, Serge Hercberg (hercberg@uren.smbh.univ-paris13.fr) and Caroline Méjean (caroline.mejean@inrae.fr)
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Valérie Sautron: CRESS (U1153 / UMR_A_1125 / UMR_S_1153) - Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité - INRA - Institut National de la Recherche Agronomique - UPD7 - Université Paris Diderot - Paris 7 - UPD5 - Université Paris Descartes - Paris 5 - USPC - Université Sorbonne Paris Cité - INSERM - Institut National de la Santé et de la Recherche Médicale, UP13 - Université Paris 13
Sandrine Peneau: CRESS (U1153 / UMR_A_1125 / UMR_S_1153) - Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité - INRA - Institut National de la Recherche Agronomique - UPD7 - Université Paris Diderot - Paris 7 - UPD5 - Université Paris Descartes - Paris 5 - USPC - Université Sorbonne Paris Cité - INSERM - Institut National de la Santé et de la Recherche Médicale
Géraldine Camilleri: CRESS (U1153 / UMR_A_1125 / UMR_S_1153) - Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité - INRA - Institut National de la Recherche Agronomique - UPD7 - Université Paris Diderot - Paris 7 - UPD5 - Université Paris Descartes - Paris 5 - USPC - Université Sorbonne Paris Cité - INSERM - Institut National de la Santé et de la Recherche Médicale
Laurent Muller: GAEL - Laboratoire d'Economie Appliquée = Grenoble Applied Economics Laboratory - UPMF - Université Pierre Mendès France - Grenoble 2 - INRA - Institut National de la Recherche Agronomique, UGA [2016-2019] - Université Grenoble Alpes [2016-2019]
Bernard Ruffieux: Grenoble INP - Institut polytechnique de Grenoble - Grenoble Institute of Technology, GAEL - Laboratoire d'Economie Appliquée = Grenoble Applied Economics Laboratory - UPMF - Université Pierre Mendès France - Grenoble 2 - INRA - Institut National de la Recherche Agronomique, UGA [2016-2019] - Université Grenoble Alpes [2016-2019]
Serge Hercberg: CRESS (U1153 / UMR_A_1125 / UMR_S_1153) - Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité - INRA - Institut National de la Recherche Agronomique - UPD7 - Université Paris Diderot - Paris 7 - UPD5 - Université Paris Descartes - Paris 5 - USPC - Université Sorbonne Paris Cité - INSERM - Institut National de la Santé et de la Recherche Médicale
Caroline Méjean: UP13 - Université Paris 13, CRESS - U1153 - Equipe 2 : ECSTRA - Epidémiologie Clinique, STatistique, pour la Recherche en Santé - UPD7 - Université Paris Diderot - Paris 7 - CRESS (U1153 / UMR_A_1125 / UMR_S_1153) - Centre de Recherche Épidémiologie et Statistique Sorbonne Paris Cité - INRA - Institut National de la Recherche Agronomique - UPD7 - Université Paris Diderot - Paris 7 - UPD5 - Université Paris Descartes - Paris 5 - USPC - Université Sorbonne Paris Cité - INSERM - Institut National de la Santé et de la Recherche Médicale

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Abstract: Since the 1990s, sustainability of diet has become an increasingly important concern for consumers. However, there is no validated multidimensional measurement of motivation in the choice of foods including a concern for sustainability currently available. In the present study, we developed a questionnaire that measures food choice motives during purchasing, and we tested its psychometric properties. The questionnaire included 104 items divided into four predefined dimensions (environmental, health and well-being, economic and miscellaneous). It was administered to 1000 randomly selected subjects participating in the Nutrinet-Santé cohort study. Among 637 responders, one-third found the questionnaire complex or too long, while one-quarter found it difficult to fill in. Its underlying structure was determined by exploratory factor analysis and then internally validated by confirmatory factor analysis. Reliability was also assessed by internal consistency of selected dimensions and test–retest repeatability. After selecting the most relevant items, first-order analysis highlighted nine main dimensions: labeled ethics and environment, local and traditional production, taste, price, environmental limitations, health, convenience, innovation and absence of contaminants. The model demonstrated excellent internal validity (adjusted goodness of fit index = 0.97; standardized root mean square residuals = 0.07) and satisfactory reliability (internal consistency = 0.96, test–retest repeatability coefficient ranged between 0.31 and 0.68 over a mean 4-week period). This study enabled precise identification of the various dimensions in food choice motives and proposed an original, internally valid tool applicable to large populations for assessing consumer food motivation during purchasing, particularly in terms of sustainability.

Keywords: reliability; validity; feasability; food motives; sustainability; confirmatory factorial analysis (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (13)

Published in Appetite, 2015, April 2015, pp.90-97. ⟨10.1016/j.appet.2014.12.205⟩

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-01123305

DOI: 10.1016/j.appet.2014.12.205

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