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Related Experiment Videos

Validation of a questionnaire for assessing physical work load.

S Hollmann1, F Klimmer, K H Schmidt

  • 1Institute for Occupational Physiology at the University of Dortmund, Germany. hollmann@arb-phys.uni-dortmund.de

Scandinavian Journal of Work, Environment & Health
|June 9, 1999
PubMed
Summary

A new questionnaire reliably measures physical work load in nursing home workers. This tool helps understand how physical strain impacts musculoskeletal complaints, aiding in workplace health assessments.

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Area of Science:

  • Occupational Health
  • Ergonomics
  • Psychometrics

Background:

  • Assessing the impact of psychosocial and physical stressors on health requires reliable methods.
  • Existing tools may not adequately capture the complexities of physical work load, particularly concerning biomechanical factors.

Purpose of the Study:

  • To present and validate a novel instrument for assessing physical work load.
  • To integrate biomechanical load information into a comprehensive assessment tool.

Main Methods:

  • A questionnaire was developed and administered to 455 nursing home workers in Germany over one year.
  • Test-retest reliability and various forms of validity (convergent, discriminant) were assessed.
  • Relationships between physical load and other variables, including musculoskeletal complaints, were examined.

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Main Results:

  • The questionnaire demonstrated good test-retest reliability (approximately 0.65).
  • Satisfactory convergent and discriminant validity were achieved.
  • The instrument effectively differentiated between professional subgroups with varying physical work loads.
  • A moderate correlation (approximately 0.30) was found between physical load and musculoskeletal complaints.

Conclusions:

  • The developed instrument is a reliable and valid tool for assessing physical work load.
  • The study advocates for integrating statistical methods from psychological testing and theory in developing occupational health assessment tools.