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The Danish Psychosocial Work Environment Questionnaire (DPQ): Development, content, reliability and validity.
Thomas Clausen1, Ida Eh Madsen, Karl Bang Christensen
1National Research Centre for the Working Environment, Lersø Parkalle 105, DK-2100 Copenhagen, Denmark. tcl@nrcwe.dk.
Scandinavian Journal of Work, Environment & Health
|December 29, 2018
Summary
The Danish Psychosocial Work Environment Questionnaire (DPQ) is a reliable and valid tool for assessing workplace conditions. While effective across many job types, results suggest potential differences in how employees interpret questions.
Area of Science:
- Occupational Health Psychology
- Psychometrics
- Workplace Environment Research
Background:
- Assessing the psychosocial work environment is crucial for employee well-being and productivity.
- Existing instruments may lack comprehensive coverage or specific validation for diverse Danish workforces.
Purpose of the Study:
- To detail the development and content of the Danish Psychosocial Work Environment Questionnaire (DPQ).
- To rigorously evaluate the reliability and validity of the DPQ across various occupational groups.
Main Methods:
- Item generation and refinement through qualitative and quantitative testing.
- Reliability assessed via internal consistency and test-retest methods.
- Validity examined using confirmatory factor analysis (CFA), including multi-group and multi-factor analyses for invariance and distinctness.
Main Results:
- The final DPQ comprises 119 items across 38 dimensions, demonstrating satisfactory reliability and factorial validity within 14 job groups.
- Factorial invariance was confirmed for 10 of 28 multi-item scales.
- Scales were empirically distinct, supporting the DPQ's construct validity.
Conclusions:
- The DPQ is a robust and validated instrument for measuring psychosocial working conditions in Denmark.
- Findings highlight potential cross-job group variations in understanding psychosocial work environment questions, impacting measure comparability.
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