Szacowanie prawdopodobieństwa wystąpienia i ciężkości wypadku przy pracy na podstawie analizy danych statystycznych
Estimation of the probability and the severity of an accident at work based on statistical data analysis

Summary/Abstract: The article presents a method of analysing statistical data registered in national databases concerning accidents at work and persons employed. The results of such analysis can be used to determine the probability and severity of accidents at work in particular groups of employees, defined on the basis of the characteristics of these employees and the circumstances of their work. The analysis of statistical data from two different databases, in which a specially developed method of data integration and identification of representative groups of employees was used (consisting in the gradual reduction of the division rule and the use of the bootstrap coefficient of variation), allows for the calculation of the probability index of occupational accidents. In addition, the combination of several one-dimensional and multidimensional analysis methods made it possible to identify groups of injured in accidents at work that are sufficiently numerous and strongly diversified in terms of the severity of accidents, which ensures high accuracy of the severity of accidents predicted on their basis.

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