Saf Health Work.  2015 Dec;6(4):279-288. 10.1016/j.shaw.2015.06.005.

Measurement and Modeling of Job Stress of Electric Overhead Traveling Crane Operators

Affiliations
  • 1DuPont, India.
  • 2Department of Industrial & Systems Engineering, Indian Institute of Technology Kharagpur, West Bengal, India. jhareswar.maiti@hotmail.com
  • 3Department of Mining Engineering, Indian Institute of Technology Kharagpur, West Bengal, India.

Abstract

BACKGROUND
In this study, the measurement of job stress of electric overhead traveling crane operators and quantification of the effects of operator and workplace characteristics on job stress were assessed.
METHODS
Job stress was measured on five subscales: employee empowerment, role overload, role ambiguity, rule violation, and job hazard. The characteristics of the operators that were studied were age, experience, body weight, and body height. The workplace characteristics considered were hours of exposure, cabin type, cabin feature, and crane height. The proposed methodology included administration of a questionnaire survey to 76 electric overhead traveling crane operators followed by analysis using analysis of variance and a classification and regression tree.
RESULTS
The key findings were: (1) the five subscales can be used to measure job stress; (2) employee empowerment was the most significant factor followed by the role overload; (3) workplace characteristics contributed more towards job stress than operator's characteristics; and (4) of the workplace characteristics, crane height was the major contributor
CONCLUSION
The issues related to crane height and cabin feature can be fixed by providing engineering or foolproof solutions than relying on interventions related to the demographic factors.

Keyword

classification and regression tree; electrical overhead traveling crane operation; job stress modeling
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