In order to increase the cross-comparison of regional social and economic dynamics, the Caucacus Research Resource Centers (CRRC) began a coordinated data collection effort in the fall of 2003 to obtain reliable, comparable data on household knowledge, attitudes and practices across the South Caucasus. The CRRC teams in Armenia, Azerbaijan and Georgia have been collecting data in the South Caucasus on an annual basis since 2004. Although the 2004 DI survey was initially carried out only in the 3 capital cities, the 2005 DI also included one region in each country. Since 2006, the survey has been carried out nationwide, in both urban and rural areas.