Risk factors leading people into solitary death in Kyoto, Japan

Japan is leading the super aging society. The proportion of people over 65 years old is more than 25 % in 2015 and will be 40% in 2050. The combination of aging society and nuclear family result in the increase of the cases of solitary death in Japan. Being a solitary death is a substantial public health issues since it impair human dignity at the end of the life. In this study, we tried figure out the best prediction of risk factors for solitary death by using the new database system, Kyoto, Japan. A case series study was analyzed to identify characteristics of solitary death versus non-solitary death for people who died unexpectedly and under investigation in forensic department, Kyoto, Japan since 2012 to 2015. Screening was performed for 1089 deceased and 694 were included in the study. The dichotomous outcome was whether the deceased was performed cardiopulmonary resuscitation by ambulance when they were found. Simultaneous multivariate logistic regression was used to perform statistical analysis by SPSS software. As a result, in this model, three predictors were significant, living alone (OR =9.468, 95% CI 5.67 to 15.82, p