Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Index Analysis Approach to Identifying Accident Concentration Level of Korean Industries

국내 산업재해집중수준 확인을 위한 지표분석

  • Lee, Bong Keun (Department of Safety Engineering, Pukyong National University) ;
  • Suh, Yongyoon (Department of Safety Engineering, Pukyong National University) ;
  • Chang, Seong Rok (Department of Safety Engineering, Pukyong National University)
  • Received : 2020.06.24
  • Accepted : 2020.09.18
  • Published : 2020.10.31
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Abstract

For monitoring the status of industrial accidents, many statistical indexes have been developed and applied such as fatal rate, frequency rate, and severity rate. These accident indexes are measured by frequency and loss time according to the accidents in the individual industry level. However, it is less considered to use the index of identifying the industrial concentration of accidents in the holistic view. Thus, this study aims to suggest the accident concentration level among domestic industries through index analysis. The concentration level of industrial accidents is calculated by the accident composition of sub-industries. This concentration level shows whether an industry is comprised of a few sub-industries generating more accidents or an industry consists of sub-industries having the similar number of accidents. To this end, the concentration rate (CR) and concentration index (CI) are proposed to take a look at the industry composition of accidents by embracing the concept of market concentration indexes such as Hirschman-Herfindahl Index. As for the case study, four industries of mining, manufacturing, transportation, and other business (usually service) are analyzed in terms of indexes of accident rate, death(fatality) rate, and CR and CI of accident and death. Finally, we illustrate the positioning map that the accident concentration level is compared with the traditional accident frequency level among industries.

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