抄録
This paper, as part 2 of the research, includes report on two researches and conclusion of existing state of accidents. Main results of this whole research are as follows : 1. Aspect of accident is affected more essentially by type of building element rather than by type of building. 2. Total deaths caused by accidents in houses and buildings are 3500〜4000 annually in Japan. This amount is four times as large as that by building disasters such as fires or earthquakes. But this enormous number of deaths is only a little portion of non-fatal accidents. 3. In recent years, accidental death rate is rather increasing in Japan. 4. Accidental death rate is affected by age ; high at very young and old age groups. It is not affected by sex in Japan. 5. As a result of the research, 21 types of accident are listed up covering 80% of all, and graded according to their relative importance. And their typical mechanisms are also listed up, which will give fundamental information to studies to be continued.
