Abstract
In this study, we explored the relationship between environmental awareness and buying behavior of LED lamps by analyzing actual buying history data and conscious survey data of consumers, which is provided by Macromill Inc. Factor analysis is performed on the environmental related questionnaires extracted from the conscious survey data. Then we use the factors as indices for the environmental awareness of each monitor. The buying history data of bulbs is extracted from the entire buying history data and categorized into LED lamps and others. The result of statistical modeling suggested the relationship between environmental awareness and buying behavior of LED lamps.