At home or in a social life, product accidents often occur. As the cause, there are various reasons such as product defect, improper use or carelessness by a user, reduction of a sense of danger, etc. This paper is to describe the methodology to understand the change of product accidents' ratio due to aging utilizing the product accident database prepared by the National Institute of Technology and Evaluation (NITE) and the consumer's behavior survey prepared by the Cabinet Office, and their calculation results, for the purpose of clarifying the patterns of accident occurrence especially with respect to durable goods which are used for long time periods among product accidents. Although the consumer's behavior survey is the only government statistics with which you can systematically and quantitatively understand the consumer's behavior such as replacement with respect to durable goods which are used for long time periods, only the index necessary to understand the consumer's behavior as the business activities has been calculated and published in the past. However, according to the analysis of this paper, as the said survey is including the important information to clarify the patterns of accident occurrence, it can be valuable information sources for identifying actual status of the aging degradation of the products and the judgment for recall as business operators. Based on these analysis results, this paper makes a proposition with respect to the effective utilization of the said survey from a viewpoint of product safety.
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