Figure 2
From: Interaction between climatic, environmental, and demographic factors on cholera outbreaks in Kenya
District-level distribution of cholera cases and various demographic characteristics in Kenya. (1) Combined number of cholera cases reported per district in eight separate years: 1999–2001, 2003, 2005, 2007–2009. (2) Population density (persons/km2), per district. (3) Percentage of the Muslim population, per district. (4) Percentage of the population older than six years of age who never attended school, per district. (5) Percentage of the population per district below the rural poverty line (set at $1,239 Ksh [$13.34 USD] per day). Sources: Cholera data: Division of Disease Surveillance and Response. All other variables: 2005/06 Integrated Household Budget Survey.