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- W1630659474 abstract "Abstract. One way to contribute to solving problems related to eating behavior is to develop valid and reliable instruments to measure estimation and food consumption frequency in Mexican population. The present study describes the development and initial validation of the estimation and food intake scale (ECA, for its Spanish acronym). The first version comprised 143 items in a Likert-type scale with five options each one and it was applied to 432 participants from Jalisco State, Mexico City and Mexico State. According to item-total correlation 32 items were selected and reliability analysis yielded a Cronbach alpha of .92 and .90 to estimation and frequency of food intake consumption respectively. Factor analysis only for estimation section yielded a six-factor structure which explained 53.3% of the total variance and reliability indices ranged between .55 and .76. The mean of food estimation showed that food was considered unhealthy and were consumed once a month. It is necessary to modify the current version of the scale and applied to a wider and heterogeneous sample. Key words: Frequency, estimation, food, reliability, Mexican population. Resumen. Una forma de contribuir a la solución de los problemas relacionados con la conducta alimentaria es desarrollar instrumentos válidos y confiables para medir estimación y consumo de alimento en población mexicana. En el presente estudio se describe la construcción de la escala Estimación y Consumo de Alimento (ECA). La primea versión de la ECA quedó conformada por 143 reactivos con cinco opciones de respuesta tipo Likert y se aplicó a un total de 432 participantes del Estado de Jalisco, Distrito Federal y Estado de México. Considerando la correlación reactivo-total se seleccionaron 32 reactivos, el análisis de confiabilidad mostró una consistencia interna de .92 y .90 respectivamente a estimación y frecuencia de consumo. El análisis factorial de la sección de estimación arrojó una estructura de seis factores que explicaron el 53.3 % de la varianza y los índices de confiabilidad variaron entre .55 y .76. La media de estimación mostró que los participantes juzgaron los alimentos como poco saludables y se consumieron una vez al mes. Es necesario mejorar conceptualmente la versión actual del instrumento y aplicar en muestras de otros estados la versión más refinada de la escala ECA. Palabras clave: Frecuencia, estimación, alimento, confiabilidad, población mexicana." @default.
- W1630659474 created "2016-06-24" @default.
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- W1630659474 date "2012-07-28" @default.
- W1630659474 modified "2023-09-27" @default.
- W1630659474 title "The development and initial validation of the Estimation and Frequency of Food Intake Scale / Desarrollo y validación inicial de la Escala Estimación y Consumo de Alimento (ECA)" @default.
- W1630659474 doi "https://doi.org/10.22201/fesi.20071523e.2012.1.210" @default.
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