Fig. 2

Study outline of this C-KDPS. Two healthcare centers in Chungju city and Suwon City were selected. The study was controlled and monitored by the Catholic Medical center in Seoul, Korea. A lifestyle intervention (LSI) program was performed through an internet-based web program that included education contents, goal setting and prescription, monitoring, counseling, and a scheduler. The principal investigator, the steering committee, and the coordinators (educators) communicated with each other in real time via the web site