Food advertising aimed at children and adolescents in Brazil: a longitudinal analysis of denouncements in CONAR

Scientific evidences show that self -regulation models fail to protect children and adolescents from commercial exploitation. In Brazil, the "Conselho Nacional de Autorregulamentacao Publicitaria - CONAR" is the entity that proposes guidelines for the products advertising and services to regulated sector. The aim is to analyze the denouncements of food advertising aimed at children and adolescents sent to CONAR between 2010 and 2020. The denouncements were described regarding the type of product and service, authorship (consumers/companies or CONAR), and CONAR decision (archiving/penalties). Descriptive and association analyzes were performed. Ninety-eight denouncements were identified, 74.8% of ultra-processed foods. There was an oscillation in the submission of denouncements over the years, with a general decline trend. Consumers were more frequent among the denouncements (58.6%) and 53.3% of total were penalty. Denouncements sent by CONAR or companies were more frequently penalized than those sent by consumers. There was a predominance of denouncements of advertisements for ultra -processed foods and low application of penalties. There was a lack of isonomy in CONAR decision pattern on advertisements.