2020 年 2020 巻 BI-015 号 p. 07-
It is said that staff engaged in nursing care and related services have high job stress and highturnover. The purpose of this study is to clarify what interventions are needed to increase job satisfactionof caregivers and prevent them from quitting job or switching companies. Surveys were conducted ofworkers providing nursing care and related services at two companies, both of which are located inHiroshima Prefecture and have the same executive head. The data from the employees' stress check as wellas the data from the employee interview are used for the analysis. We used machine learning like decisiontree and random forest models to identify important factors. This scheme can be applied to other cases.