This study examined the factors which had an influence on the indoor comfort of office workers, by the statistical analyses of the synthetic investigation results at five offices. As a result, the following was obtained. (1) The analysis by quantification method II showed that, thermal sensations and smell sensations were influenctial factors on the discrimination of uncomfortableness and neutrality, light sensations and so on were factors on the discrimination of comfortableness and neutrality. (2) The multiple regression analysis showed that the percentages of office workers who answered comfortable (comfortable and slightly comfortable) or uncomfortable (uncomfortable and slightly uncomfortable) could be explained by the measured physical data.
