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Table 1 The explanatory variables in relation to geographical distribution of the number of clinical trials

From: Current globalization of drug interventional clinical trials: characteristics and associated factors, 2011–2013

Final model: F = 12.777, p = 0.000; R 2 = 0.690 (adjusted R 2 = 0.636)

Variablesa

Estimate (β)

95% confidence interval for β

Standardized β

Standard error

p value

Constant

−8.536

−19.248, 2.176

 

5.178

0.113

EFI

3.210

0.637, 5.783

0.485

1.244

0.017

HEC

0.341

0.049, 0.633

0.415

0.141

0.024

HCI

0.618

0.304, 0.932

0.759

0.152

0.000

IPRI

−0.746

−0.997, 0.496

0.730

0.121

0.000

  1. aVariables: EFI Economic Freedom Index, HEC Health Care Expenditure per Capita, HCI Human Capital Index, IPRI Intellectual Property Rights Index