Prevalence and correlates of childhood anemia in the MINA-Brazil birth cohort

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorCARDOSO, Marly A.
dc.contributor.authorLOURENCO, Barbara H.
dc.contributor.authorMATIJASEVICH, Alicia
dc.contributor.authorCASTRO, Marcia C.
dc.contributor.authorFERREIRA, Marcelo U.
dc.date.accessioned2024-04-05T19:34:22Z
dc.date.available2024-04-05T19:34:22Z
dc.date.issued2023
dc.description.abstractOBJECTIVE: This study aimed to describe the prevalence and predictors of childhood anemia in an Amazonian population -based birth cohort study. METHODS: Prevalence of maternal anemia was estimated at delivery (hemoglobin [Hb] concentration < 110 g/L) in women participating in the MINA -Brazil birth cohort study and in their children, examined at ages one, two (Hb < 110 g/L), and five (Hb < 115 g/L). Moreover, ferritin, soluble transferrin receptor, and C -reactive protein concentrations were measured in mothers at delivery and in their 1- and 2 -year -old children to estimate the prevalence of iron deficiency and its contribution to anemia, while adjusting for potential confounders by multiple Poisson regression analysis (adjusted relative risk [RRa]). RESULTS: The prevalence 95% confidence interval (CI) of maternal anemia, iron deficiency, and iron -deficiency anemia at delivery were 17.3% (14.0-21.0%), 42.6% (38.0-47.2%), and 8.7% (6.3-11.6)%, respectively (n = 462). At one year of age (n = 646), 42.2% (38.7-45.8%) of the study children were anemic, 38.4% (34.6-42.3%) were iron -deficient, and 26.3 (23.0-29.9) had iron -deficiency anemia. At two years of age (n = 761), these values decreased to 12.8% (10.6-15.2%), 18.1% (15.5-21.1%), and 4.1% (2.8-5.7%), respectively; at five years of age (n = 655), 5.2% (3.6-7.2%) were anemic. Iron deficiency (RRa = 2.19; 95%CI: 1.84-2.60) and consumption of ultra -processed foods (UPF) (RRa = 1.56; 95%CI: 1.14-2.13) were significant contributors to anemia at 1 year, after adjusting for maternal schooling. At 2 years, anemia was significantly associated with maternal anemia at delivery (RRa: 1.67; 95%CI: 1.17-2.39), malaria since birth (2.25; 1.30-3.87), and iron deficiency (2.15; 1.47-3.15), after adjusting for children's age and household wealth index. CONCLUSIONS: Anemia continues to be highly prevalent during pregnancy and early childhood in the Amazon. Public health policies should address iron deficiency, UPF intake, maternal anemia, and malaria to prevent and treat anemia in Amazonian children. DESCRIPTORS: Anemia, Iron Deficiency. Malaria; Risk Factors. Cohort Studies.eng
dc.description.indexMEDLINE
dc.description.indexPubMed
dc.description.indexScopus
dc.description.indexDimensions
dc.description.indexWoS
dc.description.sponsorshipNational Council for Scientific and Technological Development (CNPq) [407255/2013-3, 303794/2021-6, 312746/2021, 301011/2019-2]
dc.description.sponsorshipFundacao Maria Cecilia Souto Vidigal
dc.description.sponsorshipSao Paulo Research Foundation (FAPESP) [2016/00270-6]
dc.identifier.citationREVISTA DE SAUDE PUBLICA, v.57, suppl.2, article ID 2023057005637, 14p, 2023
dc.identifier.doi10.11606/s1518-8787.2023057005637
dc.identifier.eissn1518-8787
dc.identifier.issn0034-8910
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/58965
dc.language.isoeng
dc.publisherREVISTA DE SAUDE PUBLICAeng
dc.relation.ispartofRevista de Saude Publica
dc.rightsopenAccesseng
dc.rights.holderCopyright REVISTA DE SAUDE PUBLICAeng
dc.subject.otherchildreneng
dc.subject.otherincomeeng
dc.subject.wosPublic, Environmental & Occupational Healtheng
dc.titlePrevalence and correlates of childhood anemia in the MINA-Brazil birth cohorteng
dc.typearticleeng
dc.type.categoryoriginal articleeng
dc.type.versionpublishedVersioneng
dspace.entity.typePublication
hcfmusp.affiliation.countryEstados Unidos
hcfmusp.affiliation.countryisous
hcfmusp.author.externalCARDOSO, Marly A.:Univ Sao Paulo, Fac Saude Publ, Dept Nutr, Sao Paulo, SP, Brazil; Univ Sao Paulo, Fac Saude Publ, Dept Nutr, Ave Doutor Arnaldo 715, BR-01246904 Sao Paulo, SP, Brazil
hcfmusp.author.externalLOURENCO, Barbara H.:Univ Sao Paulo, Fac Saude Publ, Dept Nutr, Sao Paulo, SP, Brazil
hcfmusp.author.externalCASTRO, Marcia C.:Harvard TH Chan Sch Publ Hlth, Dept Global Hlth & Populat, Boston, MA USA
hcfmusp.author.externalFERREIRA, Marcelo U.:Univ Sao Paulo, Inst Ciencias Biomed, Dept Parasitol, Sao Paulo, SP, Brazil
hcfmusp.citation.scopus0
hcfmusp.contributor.author-fmusphcALICIA MATIJASEVICH MANITTO
hcfmusp.description.articlenumber2023057005637
hcfmusp.description.issuesuppl 2
hcfmusp.description.volume57
hcfmusp.origemWOS
hcfmusp.origem.dimensionspub.1166590485
hcfmusp.origem.pubmed38422335
hcfmusp.origem.scopus2-s2.0-85186380423
hcfmusp.origem.wosWOS:001179119300001
hcfmusp.publisher.citySAO PAULOeng
hcfmusp.publisher.countryBRAZILeng
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