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Related Experiment Video

Updated: Jun 4, 2026

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

Published on: September 18, 2018

[Household food security: comparing an alternative method to a classical one].

Oscar F Herrán¹, Doris C Quintero, Gloria E Prada

¹Universidad Industrial de Santander, Escuela de Nutrición y Dietética, Centro de Investigaciones Epidemiológicas (CIE), Bucaramanga, Colombia. herran@uis.edu.co

Revista De Salud Publica (Bogota, Colombia)

|February 23, 2011

Summary

The US Environmental Protection Agency (EPA) household food security scale (EPSA) significantly underestimates food insecurity in Latin America and the Caribbean compared to the traditional food insecurity (FI) scale. This suggests the EPSA is not a reliable measure for assessing household food security in this region.

Related Experiment Videos

Last Updated: Jun 4, 2026

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

'Boden Food Plate': Novel Interactive Web-based Method for the Assessment of Dietary Intake

Published on: September 18, 2018

Area of Science:

Public Health
Nutrition Science
Socioeconomic Studies

Background:

The US Environmental Protection Agency (EPA) household food security scale (EPSA) is increasingly used in Latin America and the Caribbean.
Traditional food insecurity (FI) scales have been used to establish food security at individual and population levels.
Evaluating the performance of the EPSA against established methods is crucial for accurate food security assessment.

Purpose of the Study:

To evaluate the performance of the EPA household food security scale (EPSA).
To compare the EPSA with a traditional food insecurity (FI) scale based on energy consumption.
To assess the reliability of the EPSA in the Latin American and Caribbean context.

Main Methods:

A study involving 211 households was conducted between 2007-2008.
The EPSA questionnaire was administered to the primary food preparer.
Household consumption was recorded over 24 hours on two separate occasions (R24H) for validation.

Main Results:

The R24H method indicated 48.8% food insecurity, while the EPSA indicated 19.4%.
The EPSA demonstrated low sensitivity (16.5%) and moderate specificity (77.8%).
Agreement between the EPSA and R24H methods was poor (Cohen's Kappa = -0.06).

Conclusions:

The EPSA significantly underestimates household food insecurity when compared to the R24H method.
The EPSA results showed poor coherence with the R24H-derived food security status.
Findings suggest the EPSA may not be a suitable tool for assessing food security in this region, with implications for public policy.