Browsing by Author "Molina, Paulina"
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Publication Comparando la percepción de ambientes alimentarios entre barrios de distinto nivel socioeconómico en Santiago, Chile: un estudio transversal(2024) Egaña, Daniel; Gálvez, Patricia; Rodríguez, Lorena; Villegas, Rodrigo; Castillo, Bárbara; Molina, PaulinaEn las últimas décadas, se ha relevado la importancia de actuar en factores contextuales de la obesidad, entre ellos, los ambientes alimentarios. Recientemente, en Chile se validó la Encuesta de Medida del Entorno Nutricional Percibido, NEMS-P-Ch. Sin embargo, no existen investigaciones que hayan evaluado la percepción del grado de obesogenicidad/saludable de estos ambientes y se desconoce si difieren entre hogares de distinto nivel socioeconómico (NSE). El objetivo de este estudio es comparar la percepción sobre los ambientes alimentarios entre hogares de barrios de alto y bajo NSE de Santiago, Chile. Estudio transversal, mediante muestreo aleatorio sistemático de hogares. Se aplicó NEMS-P-Ch a 256 hogares (128 de cada comuna). Su aplicación entrega un puntaje global y puntajes asociados a la percepción de cada ambiente. Personas de la comuna de alto NSE presentan mayor ingreso familiar mensual, mayor proporción de personas con educación superior completa y menor número de habitantes en el hogar, respecto a la comuna de bajo NSE. Al comparar el puntaje global, participantes de la comuna de NSE alto perciben el entorno alimentario más salu dable que habitantes de menor NSE y hay diferencias significativas en tres de cuatro ambientes evaluados (doméstico, abastecimiento y vía pública). Mientras la mayoría de los ambientes se perciben como pantanos alimentarios, el ambiente doméstico se percibe más saludable en ambas comunas, asimilable a la idea de oasis alimentario. Estos resultados deberían movilizar acciones nacionales y locales para mejorar la disponibilidad y acceso a alimentos saludables, especialmente en barrios de menor NSE, que perciben sus ambientes alimentarios más obesogénicos.Publication Obesogenicity perception of food environments in adults: A cross-sectional study in urban areas of Santiago, Chile(2024) Rodríguez, Lorena; Egaña, Daniel; Molina, Paulina; Villegas, Rodrigo; Castillo, Barbara; Gálvez, PatriciaINTRODUCTION In Chile, there is a high prevalence of obesity, and most people have an inadequate quality of food. Food environments can constitute barriers that prevent healthy food choices and lead to overweight and obesity, as well as diet-related non-communicable diseases. There are international instruments that allow the characterization of food environments. In Chile, there are no studies on the perception of food environments. This study aimed to characterize the perception of obesogenicity of food environments in the urban Chilean population using an instrument previously validated in Chile. METHODS This is a cross-sectional study with probabilistic sampling. The "Perceived Nutrition Environment Measures Survey", based on the Chilean model of food environments, was applied to 256 participants from two urban communities of the Metropolitan Region. Scores were calculated for the instrument items, which allowed calculating scores by environments included in the Chilean model of Food Environments. Negative scores were related to a higher obesogenic level. RESULTS The results show that the domestic food environment is perceived as less obesogenic (median of 15.8 points), with more than 90% of households having fruits, vegetables, and legumes, even though the supply food environment was negative (median-0.19 points). However, about 50% of households had ultra-processed foods. The street food environment was perceived as the most obesogenic (median -1.91 points), with more than 60% of the participants indicating difficulty finding healthy options. CONCLUSIONS According to the level of obesogenicity of the environments studied, it is necessary to have public policies that improve them and ensure the availability and physical and economic access to healthy food, particularly in the food supply and public road environments