2013
DOI: 10.1590/s0034-8910.2013047002906
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Abstract: OBJECTIVE:To estimate the prevalence of vitamin A defi ciency and its associated factors in children. METHODS:A cross-sectional population-based study, involving 1,211 children of both sexes, aged between six and 59 months old, was carried out in the urban zone of 9 cities in the state of Paraiba, Northeastern Brazil. Vitamin A status was assessed by serum retinol levels (high performance liquid chromatography -HPLC) and subclinical infection was assessed by C-reactive protein concentrations. Socioeconomic, de… Show more

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Cited by 36 publications
(42 citation statements)
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“…Studies show an overestimation of 2.0 to 4.6% in the prevalence of hypovitaminosis A when infants have an infection. [22][23][24] Due to the impact of vitamin A deficiency the National Program for Vitamin A Supplementation was established according to the number of the document: 729/2005 with the goal to prevent and controll this deficiency. The program distributes mega doses of vitamin A for children under five years of age and women in post partum immediately to those belonging in endemic areas of vitamin A deficiency which constitutes the Northeast Region, the Vale do Jequitinhonha in Minas Gerais and in the Vale do Ribeira in São Paulo.…”
Section: Discussionmentioning
confidence: 99%
“…Studies show an overestimation of 2.0 to 4.6% in the prevalence of hypovitaminosis A when infants have an infection. [22][23][24] Due to the impact of vitamin A deficiency the National Program for Vitamin A Supplementation was established according to the number of the document: 729/2005 with the goal to prevent and controll this deficiency. The program distributes mega doses of vitamin A for children under five years of age and women in post partum immediately to those belonging in endemic areas of vitamin A deficiency which constitutes the Northeast Region, the Vale do Jequitinhonha in Minas Gerais and in the Vale do Ribeira in São Paulo.…”
Section: Discussionmentioning
confidence: 99%
“…As carências nutricionais são originárias da desnutrição, fome, pobreza e maus hábitos alimentares, não estando necessariamente ligadas a quantidade de um micronutriente em um alimento específico [69,70] . Deste modo, é mantido um ciclo vicioso já que a própria introdução da biofortificação sustenta o problema, colaborando com a concentração de renda e de terras, e apresentando-se interessante e lucrativa para os proprietários das sementes biofortificadas que oferecem uma solução artificial para a questão, caracterizando um sistema de retroalimentação [7,63] .…”
Section: Manos E Wilkinsonunclassified
“…The massive supplementation with vitamin A for children at the ages of 6 to 59 months and women after childbirth is considered an emergency strategy of intervention in combating vitamin A deficiency (Queiroz et al, 2013). In fact, in regions where this disease is endemic, it significantly contributes to the reduction of mortality of children under five years of age (Martins et al, 2007).…”
Section: Supplementationmentioning
confidence: 99%