Mafauzy, Mohamad Masykurin
(2020)
Psychometric evaluation of blood disaster management questionnaire-(floodDMQ-BM©) : confirmatory factor analysis and item response theory analysis.
Masters thesis, Universiti Sains Malaysia.
Abstract
Background
Flood disaster is the commonest natural disaster with a huge impact on health care
services in Malaysia. Therefore, the FloodDMQ-BM© questionnaire is developed as a
tool to assess the knowledge, attitude, and practice of health care providers regarding
patient management during a flood disaster. This work aimed to further validate the
FloodDMQ-BM© questionnaire by using Confirmatory Factor Analysis (CFA) and Item
Response Theory (IRT) in order to confirm its validity in assessing the knowledge,
attitude, and practice of health care providers regarding patient management during a
flood disaster.
Materials and Methods
This observational cross-sectional study involved health care workers in the Emergency
Department (ED) of Hospital Universiti Sains Malaysia (HUSM), Hospital Raja
Perempuan Zainab II (HRPZ2), and Hospital Kuala Krai (HKK). The completed
FloodDMQ-BM© questionnaire was analysed by using CFA and IRT to establish its validity
and reliability.
Result
A total of 209 respondents participated in this study, yielding an 84% response rate. CFA
method subjected on the attitude and practice components resulted in good factor loadings
(>0.5) in nearly all items and good model fit indices values (CFI = 0.96-0.98, TLI = 0.95-
0.96, SRMR = 0.04-0.05, RMSEA = 0.07). Meanwhile, IRT analysis on the knowledge
section showed a good two-way marginal fit based on S-X2, and a good model fit with
RMSEA of 0.08. The items had good standardised loadings (>0.3) and marginal
reliability of 0.651.
Conclusion
Our results confirmed that the FloodDMQ-BM© questionnaire displayed valid and
reliable psychometric properties.
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