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Development and validation of an individual sustainable diet index in the NutriNet-Santé study cohort.

Abstract

In the current context of unsustainable food systems, we aimed to develop and validate an index, the sustainable diet index (SDI), assessing the sustainability of dietary patterns, including multidimensional individual indicators of sustainability. Based on the FAO's definition of sustainable diets, the SDI includes seven indicators categorised into four standardised sub-indexes, respectively, environmental, nutritional, economic and sociocultural. The index (range: 4-20) was obtained by summing the sub-indexes. We computed the SDI for 29 388 participants in the NutriNet-Santé cohort study, estimated its validity and identified potential socio-demographic or lifestyle differences across the SDI quintile. In our sample, the SDI (mean=12·10/20; 95 % CI 12·07, 12·13) was highly correlated to all the sub-indexes that exerted substantial influence on the participants' ranking. The environmental and economical sub-indexes were the most and less correlated with the SDI (Pearson R 2 0·66 and 0·52, respectively). Dietary patterns of participants with a high SDI (considered as more sustainable) were concordant with the already published sustainable diets. Participants with high SDI scores were more often women (24 %), post-secondary graduates (22 %) and vegetarians or vegans (7 %), without obesity (16 %). Finally, the SDI could be a useful tool to easily assess the sustainability-related changes in dietary patterns, estimate the association with long-term health outcomes and help guide future public health policies.

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  • Authors+Show Affiliations

    ,

    1EREN, INSERM (U1153),INRA (U1125),Centre d'Epidémiologie et Statistiques Paris Cité,CNAM,COMUE Sorbonne-Paris-Cité,Université Paris 13,74 rue Marcel Cachin,93017 Bobigny,France.

    ,

    1EREN, INSERM (U1153),INRA (U1125),Centre d'Epidémiologie et Statistiques Paris Cité,CNAM,COMUE Sorbonne-Paris-Cité,Université Paris 13,74 rue Marcel Cachin,93017 Bobigny,France.

    ,

    3Solagro,75 Voie Toec,31000 Toulouse,France.

    ,

    1EREN, INSERM (U1153),INRA (U1125),Centre d'Epidémiologie et Statistiques Paris Cité,CNAM,COMUE Sorbonne-Paris-Cité,Université Paris 13,74 rue Marcel Cachin,93017 Bobigny,France.

    ,

    3Solagro,75 Voie Toec,31000 Toulouse,France.

    ,

    1EREN, INSERM (U1153),INRA (U1125),Centre d'Epidémiologie et Statistiques Paris Cité,CNAM,COMUE Sorbonne-Paris-Cité,Université Paris 13,74 rue Marcel Cachin,93017 Bobigny,France.

    ,

    5INSERM (U1062), INRA (U1260), C2VN,Faculté de Médicine de la Timone,Aix Marseille Université,27 boulevard Jean Moulin,13005 Marseille,France.

    ,

    1EREN, INSERM (U1153),INRA (U1125),Centre d'Epidémiologie et Statistiques Paris Cité,CNAM,COMUE Sorbonne-Paris-Cité,Université Paris 13,74 rue Marcel Cachin,93017 Bobigny,France.

    1EREN, INSERM (U1153),INRA (U1125),Centre d'Epidémiologie et Statistiques Paris Cité,CNAM,COMUE Sorbonne-Paris-Cité,Université Paris 13,74 rue Marcel Cachin,93017 Bobigny,France.

    Source

    The British journal of nutrition : 2019 Apr 11 pg 1-12

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    30973117

    Citation

    Seconda, Louise, et al. "Development and Validation of an Individual Sustainable Diet Index in the NutriNet-Santé Study Cohort." The British Journal of Nutrition, 2019, pp. 1-12.
    Seconda L, Baudry J, Pointereau P, et al. Development and validation of an individual sustainable diet index in the NutriNet-Santé study cohort. Br J Nutr. 2019.
    Seconda, L., Baudry, J., Pointereau, P., Lacour, C., Langevin, B., Hercberg, S., ... Kesse-Guyot, E. (2019). Development and validation of an individual sustainable diet index in the NutriNet-Santé study cohort. The British Journal of Nutrition, pp. 1-12. doi:10.1017/S0007114519000369.
    Seconda L, et al. Development and Validation of an Individual Sustainable Diet Index in the NutriNet-Santé Study Cohort. Br J Nutr. 2019 Apr 11;1-12. PubMed PMID: 30973117.
    * Article titles in AMA citation format should be in sentence-case
    TY - JOUR T1 - Development and validation of an individual sustainable diet index in the NutriNet-Santé study cohort. AU - Seconda,Louise, AU - Baudry,Julia, AU - Pointereau,Philippe, AU - Lacour,Camille, AU - Langevin,Brigitte, AU - Hercberg,Serge, AU - Lairon,Denis, AU - Allès,Benjamin, AU - Kesse-Guyot,Emmanuelle, Y1 - 2019/04/11/ PY - 2019/4/12/entrez KW - Org-FFQ organic semi-quantitative FFQ KW - SDI sustainable diet index KW - Diet indexes KW - Dietary patterns KW - Multidimensional assessment KW - Sustainable diets SP - 1 EP - 12 JF - The British journal of nutrition JO - Br. J. Nutr. N2 - In the current context of unsustainable food systems, we aimed to develop and validate an index, the sustainable diet index (SDI), assessing the sustainability of dietary patterns, including multidimensional individual indicators of sustainability. Based on the FAO's definition of sustainable diets, the SDI includes seven indicators categorised into four standardised sub-indexes, respectively, environmental, nutritional, economic and sociocultural. The index (range: 4-20) was obtained by summing the sub-indexes. We computed the SDI for 29 388 participants in the NutriNet-Santé cohort study, estimated its validity and identified potential socio-demographic or lifestyle differences across the SDI quintile. In our sample, the SDI (mean=12·10/20; 95 % CI 12·07, 12·13) was highly correlated to all the sub-indexes that exerted substantial influence on the participants' ranking. The environmental and economical sub-indexes were the most and less correlated with the SDI (Pearson R 2 0·66 and 0·52, respectively). Dietary patterns of participants with a high SDI (considered as more sustainable) were concordant with the already published sustainable diets. Participants with high SDI scores were more often women (24 %), post-secondary graduates (22 %) and vegetarians or vegans (7 %), without obesity (16 %). Finally, the SDI could be a useful tool to easily assess the sustainability-related changes in dietary patterns, estimate the association with long-term health outcomes and help guide future public health policies. SN - 1475-2662 UR - https://www.unboundmedicine.com/medline/citation/30973117/Development_and_validation_of_an_individual_sustainable_diet_index_in_the_NutriNet-Santé_study_cohort L2 - https://www.cambridge.org/core/product/identifier/S0007114519000369/type/journal_article DB - PRIME DP - Unbound Medicine ER -