[Anemia in children under six: population-based study in Pelotas, Southern Brazil]

Maria Cecília Formoso Assunção1, Iná da Silva dos Santos, Aluísio Jardim Dornellas de Barros

  • 1Faculdade de Nutrição, Universidade Federal de Pelotas, Pelotas, RS, Brasil.

Insights

Anemia affects 30.2% of children under six in urban Brazil, primarily linked to age and family income. Targeted interventions for disadvantaged populations are crucial to reduce childhood anemia.

Area of Science:

  • Pediatric Nutrition
  • Public Health Epidemiology

Background:

  • Childhood anemia is a significant global health concern, particularly in developing urban areas.
  • Understanding prevalence and risk factors is vital for effective public health interventions.

Purpose of the Study:

  • To determine the prevalence of anemia in children under six years old.
  • To identify socioeconomic and demographic factors associated with anemia in this age group.

Main Methods:

  • A probabilistic sample of 534 children (0-5 years) in Pelotas, Brazil, was studied in 2004.
  • Data collected included demographics, socioeconomic status, anthropometry, and morbidity.
  • Anemia was defined as hemoglobin <11 g/dL, measured using a HemoCue hemoglobinometer.

Main Results:

  • The overall prevalence of anemia was 30.2% (95% CI 23.5%; 37.0%).
  • Multivariate analysis revealed significant associations between anemia and child's age and family income.
  • Losses and refusals were minimal at 5.1%.

Conclusions:

  • Childhood anemia in the studied urban population is strongly influenced by social determinants.
  • Interventions should prioritize disadvantaged populations to achieve short-term reductions in anemia prevalence.
Abstract

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