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Prevalence and Factors Associated with Iron Deficiency and Anemia among Residents of Urban Areas of Sao Paulo, Brazil

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Autor(es):
Sales, Cristiane Hermes [1] ; Rogero, Marcelo Macedo [1] ; Sarti, Flavia Mori [2] ; Fisberg, Regina Mara [1]
Número total de Autores: 4
Afiliação do(s) autor(es):
[1] Univ Sao Paulo, Sch Publ Hlth, Dept Nutr, BR-01246904 Sao Paulo - Brazil
[2] Univ Sao Paulo, Sch Arts Sci & Humanities, BR-03828000 Sao Paulo - Brazil
Número total de Afiliações: 2
Tipo de documento: Artigo Científico
Fonte: NUTRIENTS; v. 13, n. 6 JUN 2021.
Citações Web of Science: 0
Resumo

Anemia is a worldwide concern. This cross-sectional population-based study examined the prevalence of iron-deficiency anemia (IDA) among residents of Sao Paulo (n = 898; 12-93 years), considering sociodemographic factors, dietary iron inadequacy, and food contributors to iron intake. Blood cell count and iron biomarkers were quantified. Dietary iron intake was measured using two 24-h dietary recalls. Iron intake inadequacy was estimated using a probabilistic approach. The prevalence of anemia was 6.7%, depleted iron stores 5.1%, and IDA 1.1%. Women of all age groups, older adults, and those who were underweight or obese had the highest prevalence of anemia, and female adolescents had the highest prevalence of depleted iron stores. Female adolescents and adults were more vulnerable to depleted iron stores. Male adults and older adults had a considerable prevalence of iron overload. Except for female adolescents and adults, all groups had mild probabilities of inadequate iron intake. The main food iron contributor was wheat flour. Hemoglobin concentrations were directly associated with being an adult, having a higher income, and inversely associated with being female. Serum ferritin concentrations were directly associated with age and inversely correlated with female sex. Residents of Sao Paulo had a low prevalence of anemia, iron deficiency, and IDA, and sociodemographic factors interfered with these parameters. (AU)

Processo FAPESP: 19/05685-8 - Ferro e risco cardiometabólico em residentes de São Paulo: investigação de associações considerando a suscetibilidade genética para diabetes tipo 2, obesidade e doenças cardiovasculares
Beneficiário:Cristiane Hermes Sales
Modalidade de apoio: Bolsas no Brasil - Pós-Doutorado
Processo FAPESP: 17/05125-7 - Estilo de vida, marcadores bioquímicos e genéticos como fatores de risco cardiometabólico: inquérito de saúde na cidade de São Paulo
Beneficiário:Regina Mara Fisberg
Modalidade de apoio: Auxílio à Pesquisa - Temático
Processo FAPESP: 12/22113-9 - Indicadores bioquímicos do estado nutricional de micronutrientes e consumo alimentar habitual de residentes do Município de São Paulo - Estudo ISA 2013
Beneficiário:Regina Mara Fisberg
Modalidade de apoio: Auxílio à Pesquisa - Regular