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- W2527687514 abstract "During 2009-2011, information on dietary intake of 822 subjects between 18-59 years of age were collected. Each subject answered two 24-hours dietary recall (R24H) with a minimum interval of one week to avoid responses based on memory. In total, 1616 R24H were analyzed. The aim of this study was to describe the characteristics of the variability of twenty nutritional variables (Vn), establish the sources and their contribution to the variability of the Vn, determine the number of days required to approach accurately the true average Vn and fi nally, to establish the feasibility study of the relationship between diet-health events disease in Colombia. The ratio of variances (Sw2/ Sb2) was consistently higher in rural areas, except for energy and sodium. Calcium in rural areas and copper in urban areas had the lowest ratio Sw2/ Sb2, 0.36 and 0.12 respectively. Vitamin A in rural areas and sodium in urban areas, showed the largest ratio, 0.98 and 0.91 respectively. Socioeconomic status and geographic area are the main determinants of variability. For energy intake sex is the main source of variation. For macronutrients fi ve repeated measurements are necessary to obtain the true average intake of these, with levels of error between 15% and 40%. With the exception of vitamin A, all Sw2/ Sb2 reasons are within values <1, which would still allow the development of nutritional epidemiology in Colombia." @default.
- W2527687514 created "2016-10-14" @default.
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- W2527687514 date "2015-01-01" @default.
- W2527687514 modified "2023-09-27" @default.
- W2527687514 title "¿Cuántos días se debe medir la dieta? Variabilidad de la ingesta dietaria en Colombia Woy many days must be measured diet? Variability of dietary intake in Colombia" @default.
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