Growth faltering in childhood related to diarrhea: a longitudinal community based study
2005
Assis, A.M.O. | Barreto, M.L. | Santos, L.M.P. | Fiaccone, R. | Gomes, G.S.S da
Objective: This study aimed to evaluate the association of diarrhea and acute lower respiratory tract infections (ALRI) with growth of preschool children. Design: A longitudinal community-based study over a 12-month period. Children were followed up with thrice-weekly household visits for collection of morbidity data. Every 4 months (round) clinical and anthropometric examinations were performed. At baseline a questionnaire was used to collect socioeconomic family data and environmental household variables. Generalized estimating equation was used in the statistical analysis. The variations in weight-for-age or height-for-age Z-scores in each round were the dependent variables, while the main independent variables were the number of days with diarrhea and ALRI. Setting: Serrinha, located in Northeast Brazil. Subjects: In total, 487 children, aged 6-48 months at baseline, with 1-y complete follow-up. Results: The number of sick days with diarrhea or ALRI was not associated with mean changes in weight-for-age Z-scores. However, the mean of height-for-age Z-scores was found to decrease in those children with 7 or more days of diarrhea (beta=-0.0472; P=0.016) but not with 1 or more days of ALRI (beta=0.0022; P=0.406) in all rounds of the follow-up period. Conclusion: Results of the study reinforce the concept of diarrhea burden as a major determinant of poor growth in children under 5 y of age. Actions targeted to decrease the risk factors for the occurrence of diarrhea may represent an important component of interventions aimed to ensure satisfactory child growth.
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