Global, regional and national trends in the burden of nutritional deficiencies in children, 1990-2021.

ABSTRACT:

Background

The objective of this study was to systematically assess global, regional, and national trends in the prevalence and burden of nutritional deficiencies among children aged 0-14 years from 1990 to 2021. Specifically, four major subtypes of malnutrition: protein-energy malnutrition, Vitamin A deficiency, iodine deficiency, and dietary iron deficiency.

Methods

This study utilized data from the 2021 Global Burden of Disease (GBD) database to analyze incidence and disability-adjusted life year (DALY) rates. The estimated annual percentage change (EAPC) was calculated, with the data stratified based on age, gender, region, socio-demographic index (SDI), and country.

Results

Between 1990 and 2021, the global burden of nutritional deficiencies (all ages 0-14 combin

SUBMITTER: Liu Z 

PROVIDER: S-EPMC12263351 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature