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A Comparative Study of Objective and Subjective Assessment of Occupational Risk

Koradecka D., Pośniak M., Widerszal-Bazyl M., Augustyńska D., Radkiewicz P.

International Journal of Occupational Safety and Ergonomics

2010

Vol. 16, No. 1

3--22

Measurements of dangerous, harmful and annoying factors in the working environment are used to assess occupational risk. Surveys on workers’ subjective perception of risk are used, too. This study aimed to compare subjective assessment of work-related factors with their objective measurements and a national database on occupational risk. Spearman’s correlation analysis, stepwise regression analysis and structural modelling were used to determine the relationship between subjective and objective risk assessment and to acquire knowledge about the role of psychosocial job characteristics as predictors of subjective assessment. Subjective assessment of hazards was related not only to their objective measurements but also to psychosocial job characteristics, workers’ individual characteristics and work load. Even though subjective and objective assessments of hazard are strongly related, they are distinct phenomena. Hence, risk assessment should be carried out with both objective and subjective methods.