Table 3

Regression model. Parameter estimates and their standard errors for the regression model of logarithm of maternal mortality ratio on selected country-specific demographic and health indicators.

Variable

Parameter Estimate

Standard Error

p-value

Intercept

5.465

0.621

<.0001

Region: Africa

1.329

0.229

<.0001

Region: Asia

0.748

0.174

<.0001

Region: Latin America & Caribbean

1.382

0.163

<.0001

Skilled birth attendant

-0.016

0.004

<.0001

Infant mortality rate

0.013

0.004

0.0003

Health expenditure per capita (log)

-0.272

0.075

0.0004

Betrán et al. BMC Public Health 2005 5:131   doi:10.1186/1471-2458-5-131