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Updated: Jul 16, 2025

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A Mixed-Methods Approach to the Development of a Disaster Food Security Framework.

Lauren A Clay1, Nadia Koyratty1, Stephanie Rogus2

  • 1Department of Emergency Health Services, University of Maryland, Baltimore County, Baltimore, Maryland.

Journal of the Academy of Nutrition and Dietetics
|September 20, 2023
PubMed
Summary

Disaster food security is complex, with availability, accessibility, and acceptability being key dimensions. A new framework (DFSF) was developed and validated to better understand and address food insecurity after disasters.

Keywords:
COVID-19disastersfood securityframeworkhurricane

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Area of Science:

  • Food security research
  • Disaster response and management
  • Public health and nutrition

Background:

  • Limited research exists on food systems and food insecurity (FI) post-disaster.
  • Contextual differences in food systems significantly impact FI dimensions.
  • Measurement challenges hinder effective interventions for disaster-affected communities.

Purpose of the Study:

  • To develop a comprehensive Disaster Food Security Framework (DFSF).
  • To validate the DFSF through expert consensus.
  • To quantitatively test the DFSF's robustness using real-world disaster data.

Main Methods:

  • A mixed-methods approach was employed, integrating qualitative interviews and quantitative analysis.
  • In-depth interviews explored lived experiences of disaster-affected individuals.
  • Expert panel validation and quantitative testing using pandemic data ensured framework robustness.

Main Results:

  • Four dimensions of disaster FI were identified: availability, accessibility, acceptability, and agency.
  • The DFSF demonstrated high content validity (>0.42) from expert review.
  • Quantitative analysis confirmed a component representing availability, acceptability, and accessibility.

Conclusions:

  • The developed Disaster Food Security Framework (DFSF) offers a validated tool for understanding post-disaster food insecurity.
  • The framework highlights key dimensions of food security crucial for disaster preparedness and response.
  • Further research should explore the 'agency' dimension and refine measurement tools for disaster FI.