Table 2 Summary of independent variables, sources of data and definition of variables
Independent variables | Data sources | Definition |
|---|---|---|
Socio-economic factors | ||
 Low wealth index | EDHS 2016 | Total number of people with low wealth index (poorer and poorest) divided by the total number of people participated in the survey. |
 Population density | Ethiopia Atlas of Population Density | Number of people per square kilometre |
 Dependency ratio | Ethiopia Atlas of Population Density | Number of children (aged under 15 years) and elderly (aged 65+) dividing by the working-age population (aged 15–64 years) |
 Average number of persons per room | Ethiopia Atlas of Population Density | Average number of people living in a room |
 Unemployed population | Ethiopia Atlas of Population Density | Percentage of people in the labour force who were unemployed |
 Adult literacy rate | Ethiopia Atlas of Population Density | Percentage of population aged 15 years and above who had attended higher than secondary school or who can read and write a short simple statement |
Behavioural factors | ||
 Chat chewing | EDHS 2016 | Total number of people chewing chat in the last 1 month prior to the survey divided by the total number of people participating in the survey |
 Alcohol drinking | EDHS 2016 | Total number of people drinking alcohol in the month prior to the survey divided by the total number of people participating in the survey |
Health care access and knowledge and attitude regarding TB | ||
 Health care access problem | EDHS 2016 | Difficulty of getting advice or treatment due to lack of money, or distance to a health facility |
 Good knowledge toward TB | EDHS 2011 | Number of people with good knowledge towards TB divided by the total number of people participating in the survey. |
 Good attitude towards TB | EDHS 2011 | Number of people with good attitude towards TB divided by the total number of people participating in the survey |
Climatic and environmental factors | ||
 Enhanced vegetation index | EDHS Spatial Analysis data | The average enhanced vegetation index which is calculated by measuring the density of green leaves in the near-infrared and visible bands. |
 Rainfall | EDHS Spatial Analysis data | Annual mean rainfall (mm) |
 Aridity | EDHS Spatial Analysis data | The average aridity index calculated by dividing the actual evapotranspiration by the potential evapotranspiration. |
 Mean temperature | EDHS Spatial Analysis data | Annual mean environmental air temperature (°C). |