The 34 institutions registered a total amount of 4896 children in the growth and development offices CRED. The inclusion criteria were children aged 6 - 35 months, cared in the last 30 days, with a located home, whose mother or guardian accepted to participate in the study; whereas children diagnosed with non-iron deficiency anemia of any other etiology were excluded, thus corresponding to a total of 2024 children chosen by convenience.
Los 34 establecimientos registraron en consultorios de crecimiento y desarrollo CRED un total de 4.896 niños, se incluyeron sujetos entre 6 a 35 meses, atendidos en los últimos 30 días, con domicilio ubicable, cuya madre o cuidadora aceptaba participar; excluyéndose niños con diagnóstico de anemia no ferropénica de cualquier etiología, siendo un total de 2.024 seleccionados por conveniencia.