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Updated: Feb 3, 2026

Electrophysiological Measurements and Analysis of Nociception in Human Infants
Published on: December 20, 2011
HIERARCHICAL ANALYSIS OF THE FACTORS ASSOCIATED WITH ANEMIA IN INFANTS
Elma Izze da Silva Magalhães1, Daniela Santana Maia2, Michele Pereira Netto3
1Universidade Federal de Pelotas, Pelotas, RS, Brasil.
Insights
Anemia affects over a quarter of infants in Northeast Brazil, linked to low income, large families, and poor diet. Prevention strategies targeting these factors are crucial for infant health.
Area of Science:
- Public Health
- Pediatrics
- Nutritional Epidemiology
Background:
- Anemia is a significant global health concern, particularly in developing regions.
- Infant health is critically influenced by nutritional status and socioeconomic determinants.
Purpose of the Study:
- To determine the prevalence of anemia in infants.
- To identify factors associated with anemia in infants in Vitória da Conquista, Bahia, Brazil.
Main Methods:
- Cross-sectional study involving 366 children aged 6-23 months.
- Data collection included caregiver questionnaires, anthropometric measurements, and hemoglobin levels.
- Statistical analysis utilized Poisson regression with robust variances.
Main Results:
- The prevalence of anemia was 26.8%.
- Associated factors included low family income, larger household size, use of unfiltered water, multiple offspring, infrequent meat consumption, and younger infant age (6-11 months).
Conclusions:
- Anemia represents a moderate public health issue in the studied infant population.
- Socioeconomic, demographic, and dietary factors are significantly associated with anemia.
- Targeted interventions are essential for anemia prevention in infants.
Objective:
To evaluate the prevalence of anemia and the associated factors in infants assisted in health units of Vitória da Conquista, Bahia, Northeast Brazil.
Methods:
Cross-sectional study with a representative sample of 366 children aged 6 to 23 months. A questionnaire was applied to the caregiver, and the children's anthropometric measurements and hemoglobin levels were collected. The associations were identified by Poisson regression with robust variances based on a hierarchical analysis model.
Results:
The prevalence of anemia was 26.8%, and the associated factors were: family income equal to or lower than one minimum wage (PR: 1.50; 95%CI 1.03-2.18), number of household members higher than five (PR: 1.50; 95%CI 1.07-2.11), use of unfiltered water (PR: 1.68; 95%CI 1.11-2.56), number of offspring higher than three (PR: 1.64; 95%CI 1.01-2.68), consumption of meat and/or viscera less than once/week (PR: 1.78; 95%CI 1.24-2.58) and age 6-11 months (PR: 1.75; 95%CI 1.20-2.55).
Conclusions:
Anemia in the infants assessed is a moderate public health problem, which is associated with socioeconomic, demographic, and dietary factors; thus, measures are necessary for its prevention.
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