Evaluation of the Psychometric Properties of the Persian Version of the Occupational Health and Safety Literacy Questionnaire among Process Industry Workers

Document Type : Original Article

Authors

1 HSE Group, School of Public Health, Mashhad University of Medical Sciences, Mashhad, Iran.

2 Department of Statistics, School of Public Health, Mashhad University of Medical Sciences, Mashhad, Iran.

3 Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.

4 M.Sc, HSE department, Shahid Hashmi Nejad Gas Refinery, Razavi Khorasan, Iran.

5 Department of Occupational Health and Safety, School of Public Health, Mashhad University of Medical Sciences, Mashhad, Iran.

Abstract

Background and Objective: Health and safety literacy is an essential aspect of the employees’ awareness level. Since an estimate of the literacy level can be effective in increasing the level of personnel awareness of safe and health behavior, the purpose of this study is to provide a tool in the form of a valid and reliable questionnaire in the field of occupational health and safety literacy.

Materials and Methods: The current research was conducted to examine feasibility of the Persian version of the occupational health and safety literacy assessment questionnaire in employees in 2023. After translating the tool using the translation-retranslation, quantitative and qualitative validity of the questionnaire were assessed by 10 experts. Repeatability and internal consistency were examined by 30 employees, and item analysis as well as construct validity by 410 employees.

Results: The impact score, CVR and CVI of the questionnaire were 3.51, 0.96 and 0.91, respectively. The construct validity confirmed the final version of the questionnaire contains 34 questions in 4 dimensions including access, review, evaluation, and use of health and job information. The ratio of the chi-square test to the degree of freedom (χ2⁄df) was equal to 3.71. and the RMSEA index was 0.08. The internal consistency of the questionnaire was (⍺=0.923), and repeatability (ICC= 0.98) which were within the acceptable range. 

Conclusion: The Persian version of occupational safety and health literacy questionnaire with 34 items and 4 dimensions was confirmed by the concept of Iranian occupational safety and health literacy. Iranian occupational health and safety specialists can use this valid and reliable tool to assess the occupational health and safety literacy and the findings can be applied for occupational health and safety interventions. 

Keywords

Acknowledgements: This study was carried out with funding from Mashhad University of Medical Sciences with grant number of 4011424. The authors are also deeply grateful to all those who helped in this study, particularly from Shahid Hashminejad Sarkhes Gas Refinery. Special thanks to Mr. Suthakorn, the main designer of the original questionnaire, who gave a written permission for application of the original questionnaire.


Availability of data and materials: The nameless datasets used and/or analyzed during the current study are available from the corresponding author on reasonable request.


Conflicts of interests: The authors declare that there is no conflict of interest regarding the publication of this research.


Consent for publication: Not applicable.


Ethical approval and consent to participate: The study adhered to the principles of the Helsinki Declaration. All participants completed the informed consent form. In this form were emphasized on the willingness to participate in this study, the absence of costs, and the confidentiality of personal information. Also, the protocol of this study was approved by the ethics committee of Mashhad University of Medical Sciences with code of IR.MUMS.FHMPM.REC.1401.161.


Funding: This research was supported by Mashhad University of Medical Sciences with grant number of 4011424.


Author contributions: Mohaddeseh Noori: Data curation, Formal analysis, Writing original draft. Jamshid Jamali: Data curation, Formal analysis, Methodology, Validation, Writing: review & editing. Zahra Rezvani: review & editing the English draft. Ali Gharaee: Data curation, Formal analysis. Seifollah Gharib: Conceptualization, Methodology, Project administration, Supervision, Validation, Writing: review & editing.

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