Table 4 . Factors affecting the TE of ECO countries health systems (2004–10) based on the second approach using panel data logit model with random effects .

Variables	Coefficient	P > |Z|	Marginal Effect (dy/dx)
Physician per thousand people	9.820	0.221	3.372
Hospital bed per thousand people	-9.748	0.127	-3.351
Health expenditures per capita	0.001	0.007	<0.001
Constant	-0.620	0.046	-
Log likelihood	-35.937	‏-	‏-
Number of observations	70.000	‏-	‏-