@article{fdi:010091162, title = {{E}pidaure {M}arket-{E}ffectiveness and transferability of a school-based intervention to improve healthy and sustainable food choices by schoolchildren : protocol of a randomized controlled trial and qualitative study}, author = {{C}urnier, {A}. and {C}holley-{G}omez, {M}. and {L}ecetre, {F}. and {P}eteuil, {A}. and {M}eunier-{B}eillard, {N}. and {F}onquerne, {L}. and {D}arras, {L}. and {E}ymard-{D}uvernay, {S}abrina and {M}{\'e}jean, {C}. and {D}elpierre, {C}. and {C}ottet, {V}. and {C}ousson-{G}{\'e}lie, {F}.}, editor = {}, language = {{ENG}}, abstract = {{C}ontext {A}t least 40% of cancers are linked to environmental or behavioral factors, and dietary behavior appears to be a major lever. {E}pidaure {M}arket is a prevention initiative developed using a method for co-constructing health promotion initiatives and prevention programs that stratifies evidence from the scientific literature and combines it with experiential knowledge ({DEVA}, {TPB}, {BCT}). {I}t promotes a sustainable diet (i.e., healthy, ecological and ethical nutrition) among 5th and 4th grade students during the crucial period of adolescence, when these behaviors are often far from the recommendations. {M}ethod {T}he protocol implemented was carried out in 72 middle school classes in the {M}ontpellier and {D}ijon academies. {T}he intervention included teaching sessions and a virtual supermarket game, integrated into the school curriculum and delivered by science teachers. {E}ffectiveness is tested in a cluster randomized controlled trial with 3 evaluation times (pre- and post-intervention and 1 follow-up). {T}he study also includes an implementation assessment, with process analysis and implementation elements, as well as a transferability assessment based on key functions ({FIC} model and {A}staire grid). {E}xpected outcomes {T}he study is still underway within the school. {T}he primary expected outcome is a positive influence on the motives underlying food choices to move towards a sustainable diet. {S}econdary expectations involve changes in variables such as self-efficacy and perceived social norms, as well as an increase in knowledge about healthy eating. {W}e also expect the qualitative approaches to provide information on the deployment process in the new territories. {D}iscussion {T}he study aims not only to demonstrate the effectiveness of {E}pidaure {M}arket, but also to identify the optimal conditions for its nationwide implementation in {F}rance's middle schools. {U}ltimately, the initiative aims to help reduce the incidence of cancer by promoting healthier eating habits among teenagers.}, keywords = {{FRANCE}}, booktitle = {}, journal = {{PL}o{S} {O}ne}, volume = {19}, numero = {7}, pages = {e0306781 [18 p.]}, ISSN = {1932-6203}, year = {2024}, DOI = {10.1371/journal.pone.0306781}, URL = {https://www.documentation.ird.fr/hor/fdi:010091162}, }