1987 年 375 巻 p. 57-63
In this part of the report, using the same data as the former part, we calculated the life time of wooden houses in several forms by city. They are represented by the terms of 10, 20, 30, 40 and 50 % of cohort should be removed. Then taking the removal terms of 30 and 50 % of cohort, we analyzed the correlativities with some characteristics of dwellings of each city. The results are as follows : the population of a city tend to have negative correlation with the life time of wooden houses, and the rate of aged houses the rate of owned houses and the average area of floor space of dwelling are tend to have positive correlations.