Table 2 Ordinary Least square regression results, using robust estimation methods – model without imputation of missing data, N = 250

Ln GDP per capita

Natural log of GDP per capita in 2000 US $

0. 847

0.031

27.12

<0.001

Ln visits per provider per day

Natural log of number of visits per provider per day

-0.32

0.06

-5.33

<0.001

Capital costs

Dummy variable for inclusion of capital costs. Included = 1

0.14

0.10

1.34

0.182

Communist

Dummy for communist and Ex communist

-1.16

0.17

-6.64

<0.001

Public

Dummy for public facility. Public = 1

-0.39

0.24

-1.59

0.114

Constant

-4.15

0.33

-12.50

<0.001