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General methodological aspects in the Brazilian National Survey on Child Nutrition (ENANI-2019): a population-based household survey

Overview of attention for article published in Cadernos de Saúde Pública, January 2021
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Title
General methodological aspects in the Brazilian National Survey on Child Nutrition (ENANI-2019): a population-based household survey
Published in
Cadernos de Saúde Pública, January 2021
DOI 10.1590/0102-311x00300020
Pubmed ID
Authors

Nadya Helena Alves-Santos, Inês Rugani Ribeiro de Castro, Luiz Antonio dos Anjos, Elisa Maria de Aquino Lacerda, Paula Normando, Maiara Brusco de Freitas, Dayana Rodrigues Farias, Cristiano Siqueira Boccolini, Maurício Teixeira Leite de Vasconcellos, Pedro Luis do Nascimento Silva, Gilberto Kac

Abstract

This article aims to present general methodological aspects of the Brazilian National Survey on Child Nutrition (ENANI-2019), from the conception of the study design to details of the data collection. This is a household-based population survey with a sample calculated at 15,000 households to identify children under five years of age, conducted in 123 municipalities in Brazil's 26 states and the Federal District. ENANI-2019 includes data on breastfeeding and dietary intake; anthropometric nutritional status of all children and their biological mothers; and nutritional status concerning the following micronutrients: iron (hemoglobin and ferritin), zinc, selenium, and vitamins A, B1, B6, B12, D, E, and folic acid of children from 6 to 59 months of age. A total of 193,212 households were visited, of which 19,951 were eligible, and 12,524 were included in the study. A total of 14,558 children were studied, of whom 13,990 (96.1%) and 13,921 (95.6%) had their body mass and length/stature measured, respectively, and 14,541 (99.9%) underwent 24-hour dietary recalls (24HR). Of the 12,598 children eligible for blood sample collection, 8,739 (69.3%) had at least one laboratory parameter measured. Data were collected from February 2019 to March 2020, when the survey was interrupted due to the COVID-19 pandemic. The evidence produced by the ENANI-2019 survey can back the formulation, follow-up, and/or reorientation of food and nutrition policies such as the promotion of breastfeeding and healthy eating and the prevention and control of different forms of malnutrition.

Mendeley readers

The data shown below were compiled from readership statistics for 7 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 7 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 2 29%
Librarian 1 14%
Professor 1 14%
Unknown 3 43%
Readers by discipline Count As %
Nursing and Health Professions 2 29%
Social Sciences 1 14%
Medicine and Dentistry 1 14%
Engineering 1 14%
Unknown 2 29%