Table 3.
Sources of data used in this analysis
| Variable | Source | |
| Dependant variables | IMR | World Fact Book 2005 |
| U5MR | World Health Report 2006 | |
| MMR | World Health Report 2005 | |
| LE | World Health Report 2006 | |
| Independent variables | Physician density | World Health Report 2006 |
| Nurse density | World Health Report 2006 | |
| Female literacy | United Nations' Millennium Development Goals website | |
| Income | World Health Organization Statistical Information System | |
| Poverty | World Health Organization Statistical Information System | |
| Health lxpenditure | World Health Report 2006 |