Kenya (2007): Kenya HIV/AIDS Program 2001-2007. Round Four.

This evaluation is based on four cross sectional survey rounds conducted in all provinces of Kenya except North Eastern. A baseline survey was carried out in 2001, a second round in 2003, the third and fourth rounds in 2005 and 2007, respectively. A stratified, multi-cluster PPS sampling methodology was utilized to gather data at the household level.