Déterminants et conséquences de l’obésité – apport de la cohorte française NutriNet-Santé
2022
Duquenne, Pauline | Kose, Junko | Fezeu, Léopold K. | Baudry, Julia | Kesse-Guyot, Emmanuelle | Julia, Chantal | Galan, P. (Pilar) | Péneau, Sandrine | Oppert, Jean-Michel | Hercberg, Serge | Touvier, Mathilde | Andreeva, Valentina A.
Large-scale observational epidemiological studies provide essential information for the development of prevention policies for chronic diseases such as obesity. Since 2009, the French NutriNet-Santé cohort has been used as the basis for 29 empirical studies on obesity. The aim of this review is to present a summary of the findings of those studies and to deduce the contribution of NutriNet-Santé to the understanding of obesity. Among the 29 studies, 5 analyzed obesity as an exposure variable, 23 – as an outcome, and 1 – as a moderator. When modelled as a determinant (or exposure), obesity was cross-sectionally and positively associated with migraine and functional dyspepsia, respectively. In turn, when modelled as a consequence (or outcome), obesity was positively associated with different dietary factors, such as the proportion of ultra-processed foods in the diet and preference for fatty food. Other factors were inversely associated with obesity, such as following an organic diet. Some psychological factors were positively (e.g. impulsivity) or inversely associated (e.g. optimism) with obesity risk. In NutriNet-Santé, further studies on obesity are underway, dealing with its association with COVID-19 and mental disorders.
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