Nutritional status of iron, vitamin B12, vitamin A and anemia in Mexican children: results from the Ensanut 2018-19

Salud Publica Mex. 2021 May 3;63(3 May-Jun):359-370. doi: 10.21149/12158.
[Article in Spanish]

Abstract

Objective: To describe the current status of micronutrient deficiencies (MD) and anemia in Mexican children.

Materials and methods: Serum data from 1 382 pre-school-age chil-dren (1-4 years) and 3 590 school-age children (5-11 years) Ensanut 2018-19 participants were analyzed. Iron deficiency (ID), vitamin B12 deficiency (B12D), vitamin A depletion (VADp), and anemia were identified. Logistic regression models were used to identify associations between socio-demographic characteristics of children and MD.

Results: Anemia was present in 28.9 and 19.2% of the children aged 1-4 and 5-11, respectively; in ID 10 and 5.1%; B12D, in 5.1 and 4.8%, and VADp, in 4.7 and 4.3%. 18.5% of the preschool-age children and 13% of the school-age children had at least one MD associated to anemia.

Conclusions: MD and anemia affect the younger children in larger proportion. Fortification and supplementation programs should be reinforced to avoid the long-term consequences of MD.

MeSH terms

  • Anemia* / epidemiology
  • Child
  • Child, Preschool
  • Humans
  • Infant
  • Iron* / blood
  • Mexico / epidemiology
  • Nutritional Status*
  • Vitamin A* / blood
  • Vitamin B 12* / blood

Substances

  • Vitamin A
  • Iron
  • Vitamin B 12