Objectives:

to evaluate longitudinal change in anemia and its association with indigenous status, socioeconomic status (SES), and food insecurity (FI) in Mexican children.

Methods:

a longitudinal study in 1164 children under 18 months of age in rural communities. Hemoglobin concentration was measured in 2008 and 2012, and changes in anemia status were determined. Indigenous status, SES and FI were obtained in 2008, and their associations with four categories of change in anemia status were assessed through multinomial logistic regression models including adjustment covariates.

Results:

in 2008, 40.5 % of children had anemia, and 85.2 % of these did not have anemia in 2012, whereas 9.9 % of those who did not have anemia in 2008 had developed it in 2012. The distributions of the categories of change in anemia status were not associated with FI, while statistically significant differences were detected according to indigenism and NSE.

Conclusions:

the high prevalence of anemia that affects the child population justifies the implementation of interventions based on evidence, of proven effectiveness to combat it.

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