Psychometric Properties of the Persian Version of the Copenhagen Psychosocial Questionnaire (COPSOQ III)

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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
Background

Copenhagen Psychosocial Questionnaire is a reliable tool to measure the work-related psychosocial factors. The third version of this questionnaire was developed with the substantial changes in comparison with previous versions which would require the re-evaluation of psychometric properties. This study aimed to examine the validity, and reliability of the middle version and Persian translation of the COPSOQ III.

Materials & Methods

In this descriptive study, all workers of a number of industrial and production units in the northeast of Iran were invited during 2020 to 2022.  Following a forward-backward translation of the COPSOQ III original form, 276 participants completed translated questionnaires. Alpha coefficient, content validity index (CVI), content validity ratio (CVR), confirmatory factor analysis (CFA), and Pearson’s correlation test with 0.05 significance level, were employed to examine the psychometric properties and reliability of questionnaire.

Results

The average age of the subjects was 36.3 ± 5.9 years. Cronbach alpha coefficient for all dimensions was between 0.56 and 0.88 and for the total scale was 0.88. The team of 22 ergonomics and psychosocial experts reported that the mean of CVI and CVR were 0.97 and 0.78, respectively. The two-factor model fit was reasonable (RMSEA = 0.078; χ 2 = 590; χ 2/df = 2.694 (p < 0.001, df = 219); CFI = 0.89; and TLI = 0.85).

Conclusions

The finding indicated that the Persian version of the COPSOQ III is a valid and reliable tool to survey work related psychosocial factors.

Language:
English
Published:
Journal of Occupational Health and Epidemiology, Volume:12 Issue: 3, Summer 2023
Pages:
163 to 174
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