Table 4 Results of Multiple Linear Regression Analysis of various variables with OP/Workers ratio

Countries with GDP per capita > US$20,000

Regression Coefficient (β)

Standard Error

t

p

Standardized Coefficient

GDP

0.30

0.36

0.84

0.42

0.21

Health expenditure percent of GDP

-2,662

2,220

-1.20

0.25

-0.32

GINI index

273,123

115,907

2.36

0.04

0.64

F = 1.88, p = 0.19

All Countries

GDP

-0.82

1.98

-0.41

0.69

-0.12

Health expenditure percent of GDP

-22,417

11,485

-1.95

0.07

-0.45

GINI index

546,750

418,176

1.31

0.21

0.31