alexa Abstract | Validación de una escala paraevaluar contaminación dealimentos en el hogar, estudio en la zona rural de Perú

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Abstract

Objetivos: validar una escala para evaluar la contaminación de alimentosen el hogar y, medir la validez y confiabilidad.Métodos: se encuestaron madres o cuidadoras con niños menores a5 años, en San Juan de Lurigancho en Lima Perú. La escala fue previamentesometida a una calificación de jueces expertos. Se realizóel análisis de factores con componentes principales, la consistenciainterna fue medida con Kuder–Richardson Formula 20 (KR-20) y lavalidez de la prueba con el coeficiente Kaiser-Meyer-Olkin (KMO) y eltest de esfericidad de Barlet.Resultados: la muestra tuvo 194 cuidadoras. Se definieron tres componentes(prácticas de limpieza, prácticas de almacenaje y contaminacióndel niño) con un total de 10 ítems. El ítem Prácticas de limpiezatuvo un KR-20=0.722 prácticas de almacenaje y contaminación dealimentos 0.518 y 0.5 respectivamente. La validez de la prueba tuvoun KMO = 0.549 y un test de Barlet 591.678 , gl =136, (p

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Author(s): Roger Rivera Doris Miranda Clara Gallegos Vergara Mara Ysabel ReyesVillegas Yanira XirinachsSalazar

 
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