Resumen
El objetivo del presente estudio fue determinar las propiedades psicométricas del Test de Actitudes Alimentarias (EAT-26) en una muestra de mujeres mexicanas, reportar su validez mediante un análisis factorial confirmatorio y obtener el punto de corte para la prueba. La muestra consistió en 1088 mujeres, con edades entre 12 y 27 años (M = 19.31; DE = 2.94), provenientes de instituciones educativas de la zona metropolitana de la Ciudad de México y un grupo clínico de 108 pacientes, con edades entre 11 y 40 años (M = 19.35; DE = 5.26). En cuanto a los resultados, el instrumento obtuvo un alfa de Cronbach de .85 y .92 en muestra comunitaria y clínica, respectivamente. La validez de constructo arrojó cuatro factores que explicaron 45.71% de la varianza total. Para corroborar la adecuación de la estructura factorial, se realizó un análisis factorial confirmatorio que arrojó los siguientes indicadores de validez: GFI = 0,93; CFI = 0,90 y RMSEA = 0,055. Finalmente, se utilizó un sistema de puntuación de 0-4 para la población mexicana, ya que se consideró más apropiado. El punto de corte determinado fue ≥40 con una sensibilidad de 0.75, y una especificidad de .88. En conclusión, podemos señalar que el EAT-26 muestra una confiabilidad aceptable y una estructura factorial significativa en una muestra clínicas y comunitaria de mujeres mexicanas.
Citas
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