The brachial and cephalic perimeters as indicators of poverty and acute diarrhea in children under five years in Bogotá

Revista de salud pública
Ricardo SánchezRodrigo Pardo

Abstract

To assess the relationship between nutritional status and some factors related with poverty (acute diarrhea and overcrowding) in children less than 6 years of age in Bogotá. A community-based, cross-sectional study, was conducted during 2000 in the urban area of Bogotá, using a household interview survey. 3081 adults having in their homes children under five years were interviewed. This number of participants was calculated to obtain a representative sample of the city for estimating a binomial population parameter. A multistage sampling was carried out. The sample size was reduced to 2833 with the elimination of cases missing scores on dependent variables (DVs). Cephalic and brachial perimeters (continuous variables), used as a proxy of nutritional status (DVs), were selected as the main outcome measures. A 2 x 2 x 2 multivariate analysis of variance was performed on two DVs. Independent variables were overcrowding (as a measure of marginalization) and recent acute diarrhea. The analyses included sequential adjustment for nonorthogonality. DVs showed a low correlation (r=0.3) and a symmetric distribution. Evaluation of assumptions of linearity and multicollinearity were satisfactory. The omnibus test, using Wilk's criterion, s...Continue Reading

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