Demetra; 2017; 12(2); 349-360 350 discussão com transparência e equidade, a fim de manter o interesse da população brasileira em primeiro lugar. Palavras AbstractNoncommunicable chronic diseases in 2010, accounted for over 18 million deaths worldwide; in 2014, the prevalence of overweight represented 2.1 billion. In Brazil, overweight affects 51% of the population. Ultra-processed foods as sandwich cookies, pack snacks, soft drinks and fast food, collaborate to this epidemic by presenting combinations of ingredients that make them highly palatable (sugar, salt, fat and chemical additives) and damage mechanisms of control of appetite. The main factors that contributed to the increase in the consumption of these foods were the strengthening of the economy, the increase in purchasing power, marketing campaigns, as well as the comfort, convenience and its lower cost. The food industry has used opinion formation strategies, such as exposure in the media with massive campaigns to promote these products and initiatives focused on health professionals through sponsorship of scientific events and non-governmental organizations. Conflicts of interest in scientific production are increasing and analysis of studies funded by industry has shown that the outcomes are favorable to the study sponsor. This trial aimed to discuss the influence of the food industry in the increased consumption of ultra-processed food and the effects on health of the Brazilian population. Thus, ther may be a contribution to the process in the transformation of practices and principles, as well as an extension of this discussion with transparent and fair discussion, keeping the interest of the Brazilian population first.

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ResumoObjetivou-se desenvolver e validar um instrumento adequado para avaliar o impacto de um programa piloto de intervenção no ambiente alimentar local para promoção da alimentação saudável em comércios de varejo de alimentos da Zona Noroeste em Santos/SP, região caracterizada como deserto alimentar. Foi realizada pesquisa formativa para validação do instrumento, incluindo reuniões de pesquisadores, varredura no território estudado para identificação dos comércios de alimentos, visitas a atores do canal de distribuição de alimentos, oficinas comunitárias com a comunidade local e entrevistas em profundidade com proprietários dos estabelecimentos para validação de conteúdo e validade aparente. Foi testada confiabilidade do instrumento por coeficiente de alfa de Cronbach. O desenvolvimento do questionário incluiu questões para avaliação da Identificação e Caracterização do Comércio; Parâmetros de Comercialização, incluindo importância de fatores para a inclusão de um novo alimento, frequência de aquisição de produtos, rentabilidade; e Escala de Fatores Psicossociais, incluindo expectativa em relação às vendas de alimentos saudáveis, expectativa em relação ao impacto, e autoeficácia em relação à comercialização de alimentos saudáveis. A validação permitiu revisão de todas as questões e alternativas de resposta do questionário, com alfa de Cronbach variante de 0,440 a 0,967 nas questões do instrumento final. Este resultado indica que o instrumento proposto foi capaz de identificar características relevantes do sistema de distribuição de alimentos á nível local e pode ser utilizado em estudos epidemiológicos para avaliação de políticas públicas territoriais elaboradas para aumento do acesso a alimentos saudáveis.Palavras-chave: Estudos de Validação; Saúde da População Urbana; Ambiente Alimentar AbstractThe objective was to develop and validate a culturally appropriate instrument to evaluate the impact of a pilot intervention program in the food environment to promote healthy eating in small food stores in an urban food desert. A formative research was carried out for the validation of the instrument, including meetings of researchers, visits to all the streets in the study's region to identify food stores, visits to food distribution system agents', community workshops with the local community and in-depth interviews with food store owners for content and apparent validity. Instrument reliability was tested by Cronbach alpha coefficient. The development of the instrument included questions to evaluate the Identification and Characterization of Store; Marketing Parameters (i.e. influencers for including new food itens and frequency of product acquisition and profitability); and Psychosocial Factors Scale (i.e. expectations regarding healthy food sales, expectations regarding impact of intervention, and self-efficacy in relation to the marketing of healthy foods). Validation process allowed a review of all questions and questions' responses, with Cronbach alpha between 0.440 to 0.967 in the final instrument questions. It can be concluded that the instrument was developed to identify relevant characteristics of the food distribution system and can be used in epidemiological studies and public policies to evaluate increase access to healthy foods.Key words:Validation Studies; Urban Health; Food Environment

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