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Vitamins A, and C and folate status in Mexican children under 12 years and women 12-49 years: a probabilistic national survey

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Author(s): Villalpando Salvador | Montalvo-Velarde Irene | Zambrano Norma | García-Guerra Armando | Ramírez-Silva Claudia Ivonne | Shamah-Levy Teresa | Rivera Juan A

Journal: Salud Pública de México
ISSN 0036-3634

Volume: 45;
Issue: suppl.4;
Start page: 508;
Date: 2003;
Original page

Keywords: vitamin A deficiency | vitamin C deficiency | folic acid deficiency | preschoolers | school-age children | women of childbearing age | Mexico

ABSTRACT
OBJECTIVE: To describe the epidemiology of Vitamin A and C and folic acid deficiencies and their association with sociodemographic and dietary factors in a national probabilistic sample of Mexican women and children. MATERIAL AND METHODS: This is a probabilistic sample from the National Nutrition Survey 1999 (ENN-99) including 1 966 children and 920 women. Vitamins A and C were measured in serum by high-performance liquid chromatography, and folic acid in total blood by a microbiological method. Determinants for such deficiencies were explored by multiple regression models. RESULTS: Vitamin A deficiency (retinol 10 and
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