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Development of Flood Preparedness Behavior Scale: A Methodological Validity and Reliability Study.

Marwa Osman^1,2, Gülşen Taşdelen Teker³, Kerim Hakan Altıntaş⁴

¹University of Khartoum, Faculty of Medicine, Department of Community Medicine, Khartoum, Sudan.

Prehospital and Disaster Medicine

|March 24, 2024

Summary

Developing a flood preparedness scale in Sudan is crucial, as preparedness can halve flood mortality. This validated 25-item scale measures flood preparedness behavior effectively in Sudan and similar regions.

Keywords:

behavior flood reliability scale validity

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Area of Science:

Disaster Management
Public Health
Psychometrics

Background:

Floods are frequent natural disasters causing significant mortality.
Effective flood preparedness can reduce flood-related deaths by over 50%.
Assessing preparedness behavior is vital for mitigating flood impacts.

Purpose of the Study:

To present the psychometric properties of a newly developed scale.
To evaluate flood preparedness behavior in Sudan and similar settings.
To provide a reliable instrument for measuring flood preparedness.

Main Methods:

Methodological scale development study involving expert content validity assessment.
Data collected from 413 households in flood-affected areas of Kassala City, Sudan.
Exploratory and confirmatory factor analysis (EFA & CFA) for construct validity, Cronbach's alpha for internal consistency, and test-retest reliability assessed.

Main Results:

A 25-item Flood Preparedness Behavior Scale (FPBS) was developed, structured into three factors: before, during, and after a flood.
EFA and CFA confirmed the scale's construct validity with acceptable fit indices.
The scale demonstrated good internal consistency (Cronbach's alpha > 0.7) and test-retest reliability, with strong item discrimination power.

Conclusions:

The developed 25-item scale is a valid and reliable instrument.
It effectively measures preparedness behavior for floods in Sudan and comparable regions.
The scale can be used to assess and improve flood preparedness strategies.