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Association between Disaster Knowledge Level and the First Step of Stockpiling Food for a Disaster.

Moeka Harada1,2, Nobuyo Tsuboyama-Kasaoka1, Jun Oka2

  • 1Section of Global Disaster Nutrition, International Center for Nutrition and Information, National Institute of Health and Nutrition, National Institutes of Biomedical Innovation, Health and Nutrition.

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Summary

Higher disaster knowledge significantly increases the likelihood of individuals beginning food stockpiling for disaster preparedness. This foundational step in preparedness is crucial for at-risk populations lacking essential knowledge.

Keywords:
disaster knowledgedisaster preparednessfood for disasterfood shortagesfood stockpiling

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Area of Science:

  • Disaster Risk Reduction
  • Public Health Preparedness
  • Behavioral Science

Background:

  • Effective disaster preparedness is crucial, especially in high-risk areas like Japan facing potential Nankai Trough earthquakes.
  • Food stockpiling is a primary indicator of individual disaster preparedness.
  • Assessing the link between knowledge and preparedness behaviors is vital for targeted interventions.

Purpose of the Study:

  • To investigate the association between disaster knowledge levels and the initiation of household food stockpiling.
  • To identify at-risk populations with low disaster knowledge and preparedness.

Main Methods:

  • A web-based questionnaire survey was administered to 1,200 adults in high-risk Japanese prefectures.
  • Data collected from December 18-20, 2019, from online survey company panel members.
  • Multivariable logistic regression analysis was used to determine the relationship between disaster knowledge and food stockpiling.

Main Results:

  • A significant positive correlation was found between higher disaster knowledge levels and the likelihood of beginning food stockpiling (p < 0.001).
  • Individuals with medium disaster knowledge were 2.11 times more likely to stockpile food compared to those with low knowledge (aOR: 2.11, 95% CI: 1.49-2.97).
  • Those with the highest disaster knowledge were 2.52 times more likely to stockpile food (aOR: 2.52, 95% CI: 1.79-3.56).

Conclusions:

  • Disaster knowledge is a significant predictor of initial food stockpiling behavior.
  • Individuals with low disaster knowledge represent a high-risk group potentially lacking basic preparedness.
  • Targeted knowledge-based interventions can enhance disaster preparedness, particularly for vulnerable populations.