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Prevalence of anemia and vitamin A deficiency and iron and vitamin A intake in children that use the Brazilian Unified National Health System in Rio de Janeiro, Brazil
ferritin |hemoglobin |iron |retinol |anemia |article |Brazil |child |controlled study |dietary intake |ferritin blood level |food intake |hemoglobin blood level |human |iron deficiency |iron deficiency anemia |iron therapy |major clinical study |mineral supplementation |preschool child |prevalence |prevention and control |primary health care |retinol deficiency |sociodemographics |venous blood |vitamin blood level |vitamin supplementation ; 2021(Cadernos de Saude Publica)
Article in Portuguese | WHO COVID | ID: covidwho-1883752
ABSTRACT
Brazilian national strategies for the control of anemia and vitamin A deficiency in children are based on estimates of their nationwide prevalence rates in 2006 with methods not validated for this age group and with disaggregation at the level of major geographic regions. To back local administrations in (re)directing control measures for these two disorders, the current study presents estimates of their prevalence and markers of dietary intake of sources of micronutrients and use of vitamin and mineral supplements in a probabilistic sample of children 6 to 59 months of age, users of primary healthcare in the city of Rio de Janeiro, Brazil (n = 536). Venous blood samples were drawn for analysis of hemoglobin, ferritin, and serum retinol, besides collection of data on food consumption, use of vitamin and mineral supplements, and sociodemographic characteristics. Prevalence rates for anemia, iron deficiency anemia, and vitamin A deficiency were 13.7%, 5.5%, and 13%, respectively. Nearly all the children had consumed iron-rich food the day before the interview, with high prevalence of animal sources. Only 49.4% had consumed foods high in vitamin A. The prevalence rates for use of any supplement, iron supplements, and vitamin A supplements were 51%, 14.7%, and 24.4%, respectively. The findings point to the need to redirect the strategies for prevention and control of anemia and vitamin A deficiency. Future studies are necessary to examine trends in these indicators, focusing on austerity policies implemented in recent years and the economic crisis resulting from the COVID-19 pandemic.
Full text: Available Collection: Databases of international organizations Database: WHO COVID Type of study: Observational study / Prognostic study Country/Region as subject: South America / Brazil Language: Portuguese Journal: Ferritin |hemoglobin |iron |retinol |anemia |article |Brazil |child |controlled study |dietary intake |ferritin blood level |food intake |hemoglobin blood level |human |iron deficiency |iron deficiency anemia |iron therapy |major clinical study |mineral supplementation |preschool child |prevalence |prevention and control |primary health care |retinol deficiency |sociodemographics |venous blood |vitamin blood level |vitamin supplementation Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: WHO COVID Type of study: Observational study / Prognostic study Country/Region as subject: South America / Brazil Language: Portuguese Journal: Ferritin |hemoglobin |iron |retinol |anemia |article |Brazil |child |controlled study |dietary intake |ferritin blood level |food intake |hemoglobin blood level |human |iron deficiency |iron deficiency anemia |iron therapy |major clinical study |mineral supplementation |preschool child |prevalence |prevention and control |primary health care |retinol deficiency |sociodemographics |venous blood |vitamin blood level |vitamin supplementation Document Type: Article