Table 6

Full regression analysis for predicting the influence of physician and nurse density and other socioeconomic variables on IMR, U5MR, MMR and LE in LMICs and MHICs at a global level

IMR
 U5MR
 MMR
 LE
Physician density



     LMICs
 -0.177**
 -0.317**
 -0.400**
 0.101**
     MHICs
 -0.643**
 -0.792**
 -0.878**
 0.186**
Nurse density



     LMICs
 -0.026
 0.044
 -0.284*
 -0.034
     MHICs
 -0.197
 -0.238
 -0.397*
 -0.032
Female literacy



     LMICs
 -0.573**
 -0.689**
 -0.491*
 0.088*
     MHICs
 -4.277*
 -5.250*
 -5.051
 0.344
Health expenditure as % of GDP



     LMICs
 -0.433**
 -0.459*
 -0.348
 0.023
     MHICs
 0.090
 0.310
 0.405
 -0.069
R2



     LMICs
 0.556**
 0.636**
 0.716**
 0.615**
     MHICs
 0.584**
 0.592**
 0.485**
 0.560**
N



     LMICs
 93
 94
 93
 94
     MHICs
 46
 46
 43
 46

* p-value < 0.05

** p-value < 0.01

El-Jardali et al. Human Resources for Health 2007 5:9   doi:10.1186/1478-4491-5-9