Validity and Reliability of the Persian Version of Disaster Literacy Scale among People Over 18 Years

Moshki, Mahdi; Einabadi, Elnaz; Dogonchi, Mitra; Jafari, Alireza

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Validity and Reliability of the Persian Version of Disaster Literacy Scale among People Over 18 Years

Mahdi Moshki

, Elnaz Einabadi

, Mitra Dogonchi

, Alireza Jafari ^*

Abstract: (53 Views)

Background and Objective: Disaster health literacy is the ability of people to find, understand, and use health information and services to prepare, prevent, and respond to disasters. This study was conducted to translate and determine the psychometric properties of the specific disaster health literacy tool.

Materials and Methods: After translating and creating the Persian version of the Disaster Health Literacy Questionnaire and its qualitative face validity by a group of experts, a cross-sectional study was conducted on 776 people over 18 years in Razavi Khorasan province using the cluster random sampling method. Quantitative face validity on a sample of the target population was examined. Content validity using the results of analysis of content validity index and content validity ratio, construct validity with confirmatory factor analysis using AMOS software version 24, and reliability of the questionnaire with Cronbach's alpha coefficient and test-retest-temporal homogeneity were examined.

Results: In this study, CVI and CVR were 0.81 and 0.95, respectively. The factor load values were between 0.41 and 0.72 and three questions (47, 48 and 61 questions) were eliminated due to a weak factor load in the confirmation factor analysis and the construct validity was approved based on the model fit indicators. Also, the Cronbach alpha coefficient of 0.88 and the intra -cluster correlation coefficient of 0.85 in this study showed that reliability was acceptable.

Conclusion: Based on the validation process, the Persian version of the Disaster Health Literacy consisting of 58 items divided into four subscales—prevention (17 items), preparedness (16 items), response (13 items), and recovery (12 items)—demonstrated adequate validity and reliability. The researchers suggest that it can be used to identify individuals with low disaster health literacy, enabling the development and implementation of targeted educational interventions. This is a valuable contribution to promoting disaster preparedness and resilience in Persian-speaking communities.

Open Access Policy: This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/

Keywords: Validity, Reliability, Health literacy, Disaster health literacy, Psychometrics

Type of Study: Research | Subject: Public Health
Received: 2025/08/7 | Accepted: 2026/01/6

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