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Differences between risk situations identified using a self-reported questionnaire and an observational method.

Mohsen Zare1,2, Maxime Norval2, Julie Bodin2

  • 1ERCOSGroup (pole), Laboratory of ELLIAD-EA4661, UTBM-University of BourgogneFranche-Comté, France.

Work (Reading, Mass.)
|February 22, 2021
PubMed
Summary
This summary is machine-generated.

Comparing ergonomic methods for musculoskeletal disorder risk estimation reveals different outcomes. An observational method and a self-reported questionnaire provide complementary insights for comprehensive risk assessment.

Keywords:
Risk estimationassessment toolautomotive assembly tasksmusculoskeletal disorders

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Area of Science:

  • Occupational Health
  • Ergonomics
  • Musculoskeletal Disorders

Background:

  • Work-related musculoskeletal disorders (WMSDs) pose significant health risks in industrial settings.
  • Accurate risk estimation is crucial for implementing effective preventive strategies.
  • Ergonomic methods are frequently employed for assessing WMSD risks in the field.

Purpose of the Study:

  • To compare risk estimations derived from an in-house observational method and a self-reported questionnaire.
  • To evaluate the potential complementary nature of these two distinct risk assessment tools.
  • To identify discrepancies in risk identification between observational and self-reported ergonomic assessments.

Main Methods:

  • A sample of 15 operators from a truck manufacturing plant was studied.
  • Risk assessment of 28 assembly workstation scenarios was conducted using both observational and self-reported methods.
  • The agreement between methods for identifying risk situations was quantified using the weighted Kappa coefficient.

Main Results:

  • The observational method and the self-reported questionnaire yielded different risk situation estimations for the same activities.
  • Discrepancies were observed in the identification of specific risk factors between the two assessment approaches.
  • The study highlighted variability in risk perception and reporting.

Conclusions:

  • Neither the observational method nor the self-reported questionnaire demonstrated superiority in risk estimation.
  • The findings underscore the probability of differing risk estimations depending on the assessment method used.
  • Further research into the complementary effects of these methods is recommended for a holistic approach to WMSD risk assessment.