Relationship among hemoglobin levels, serum retinol level and nutritional status in children aged 6 to 59 months from the state of Paraíba, Brazil
Keywords:
Anemia, iron-deficiency, Nutritional status, Hemoglobins, Child, preschool, Vitamin A deficiencyAbstract
Objective
This study investigated the relationship among hemoglobin level, serum retinol level and nutritional status in children aged 6 to 59 months from the state of Paraíba, Brazil.
Methods
This was a cross-sectional, population-based study with 1,108 children of both genders aged 06 to 59 months
from the state of Paraíba. Hemoglobin (Hb) level in venous blood was determined by an automatic counter and
serum retinol level by high-performance liquid chromatography. Protein-energy nutritional status was assessed by calculating the children’s weight-for-age, height-for-age and weight-for-height Z-scores. Proportions were compared by the Pearson’s chi-square and Fisher’s exact tests and the association of hemoglobin level with
retinol level and nutritional status by Poisson regression.
Results
The prevalences of anemia (Hbe11.0g/dL) and vitamin A deficiency (<0.70 Pmol/L) were 36.5% (CI95%
33.7-39.3) and 21.4% (CI95% 17.3-22.2), respectively. The prevalences of chronic malnutrition (HAZ<-2),
global malnutrition (weight-for-age<-2) and acute malnutrition (weight-for-height<-2) were 7.3% (CI95%
5.8-8.8), 1.3% (CI95% 0.6-2.0) and 2.3% (CI95% 1.4-3.2), respectively. Multivariate analysis showed that anemia was directly associated with low serum retinol level and chronic malnutrition.
Conclusion
The high prevalences of anemia and vitamin A deficiency require the implementation of effective prevention
and control measures. The association between these nutritional deficiencies demonstrated that an improvement
in serum retinol levels and nutritional status tends to reduce anemia in the study context.
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Copyright (c) 2023 Sheila Sherezaide Rocha GONDIM2, Alcides da Silva DINIZ, Mayara Poliane Pires CAGLIARI, Emmanuele de Souza ARAÚJO, Daiane de QUEIROZ, Adriana de Azevedo PAIVA
This work is licensed under a Creative Commons Attribution 4.0 International License.
