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The consumption of ultra-processed foods by fish-eaters, vegetarians and vegans is associated with the duration and commencing age of diet

Published online by Cambridge University Press:  10 June 2020

Joséphine Gehring ,
Mathilde Touvier ,
Julia Baudry ,
Chantal Julia ,
Camille Buscail ,
Bernard Srour ,
Serge Hercberg ,
Sandrine Péneau ,
Emmanuelle Kesse-Guyot  and
Benjamin Allès
Joséphine Gehring
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
Mathilde Touvier
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
Julia Baudry
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
Chantal Julia
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France Departement of Public Health, Avicenne Hospital, Bobigny, France
Camille Buscail
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
Bernard Srour
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
Serge Hercberg
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France Departement of Public Health, Avicenne Hospital, Bobigny, France
Sandrine Péneau
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
Emmanuelle Kesse-Guyot
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
Benjamin Allès
Affiliation:
Equipe de Recherche en Epidémiologie Nutritionnelle, Centre de Recherche en Epidémiologie et Statistiques, Université Paris 13, Inserm (U1153), Inra (U1125), Cnam, COMUE Sorbonne Paris Cité, Bobigny, France
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Abstract

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Abstract
Introduction

In Western countries, the growing availability of animal products alternatives such as plant-based drinks or vegetarian patties for vegetarians and vegans, suggest that there could be an increase of their consumption of ultra-processed foods (UPFs). However, very little is known about the share of UPFs, and inversely unprocessed foods (UnPFs), in their diet. Thus, the aim of this study was to describe the proportion of UPFs and UnPFs, in adults from the NutriNet-Santé cohort, according to three types of vegetarian diets compared to meat-eaters. The relationship between diet characteristics such as duration and commencing age of the diet, and the share of UPFs, and UnPFs, were also studied among individuals following vegetarian diets.

Materials and Methods

The study population (n = 21,212) was divided into 4 groups: 19,812 meat eaters, 646 fish-eaters, 500 vegetarians and 254 vegans. Daily food intakes, adjusted for sex, age and total energy intake, were collected using repeated 24-h dietary records. Vegetarian diets were described according to indicators of UPFs and UnPFs, and the Healthy and Unhealthy plant-based Diet Indices (hPDI/uPDI). In a sub-sample without meat eaters (n = 1,400), multivariable linear regression models were performed to assess the association between UPF consumptions and diet characteristics.

Results

UPFs accounted for 33.0%, 32.5%, 37.0% and 39.5% respectively for meat-eaters, fish-eaters, vegetarians and vegans. On the contrary, UnPFs accounted for 29%, 29%, 27% and 31%. The means of uPDI and hPDI indices were respectively equal to 54.0, 53.2, 56.9 and 59.9, and 53.5, 60.6, 61.4 and 67.9 for meat-eaters, fish-eaters, vegetarians and vegans. Concerning diet characteristics, a shorter duration of being vegetarian, or a younger age at commencing of the diet was significantly associated with increased consumptions of UPFs (respectively p = 0.0010 and p < 0.0001).

Discussion

We showed that vegetarians can be distinguished according to the share of both UPFs and UnPFs in their diet, but also concerning the diet quality according to hPDI and uPDI. Thus, the share of UPFs in the diet and associated characteristics such duration and commencing age of the diet, should be considered in future studies about the link between vegetarianisms and health.

Type
Abstract
Information
Proceedings of the Nutrition Society , Volume 79 , Issue OCE2: 13th European Nutrition Conference, FENS 2019, 15–18 October 2019, Malnutrition in an Obese World: European Perspectives , 2020 , E467
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Copyright © The Authors 2020