Abstract
The purpose of this paper is to describe the accident characteristics in dwellings. We conducted the survey of the domestic accidents with the database of the ambulance activities in Osaka City. The data of the domestic accidents in this survey include the data of sudden illnesses needing the emergency services. The results were summarized as follows: 1) The onset of sudden illnesses vary by place in dwelling. 2) The elderly have high rates of the domestic accidents and sudden illnesses in the morning. On the other hand, the children have high rates of the sudden illnesses in the midnight and the children's domestic accidents in the evening. 3) As aged, the type of accidents that fall on the same level and the type of injury that break a bone have become more frequent.
