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Table 2 Econometric results of the two-part model and one-part GLM

From: Out-of-pocket expenditure by private households for dental services – empirical evidence from Austria

 

Dental care expenditure

Probability (Logit)

Conditional (GLM) a

GLM a

Coeff.

Rob. SD

Coeff.

Rob. SD

Coeff.

Rob. SD

Household structure

 Single person II

−0.287*

0.169

−0.005

0.048

−0.154

0.226

 Unmarried couple

0.478**

0.194

−0.005

0.052

0.775***

0.266

 Married couple

0.125

0.178

−0.068

0.053

−0.137

0.255

 Empty nest

0.267

0.186

−0.005

0.049

0.107

0.259

 Full nest I

0.390**

0.165

−0.075*

0.043

0.162

0.237

 Full nest II

0.690***

0.162

0.008

0.040

0.496**

0.231

 Married couple w/o children

0.464**

0.205

−0.081

0.057

−0.040

0.297

 Single parents

0.011

0.189

−0.033

0.050

0.012

0.246

Degree of urbanization

 Average urbanization

−0.041

0.095

−0.022

0.024

−0.019

0.136

 Low urbanization

−0.135

0.089

−0.022

0.023

−0.287**

0.126

Age structure

 Age 25–45 years

0.997***

0.315

0.062

0.116

1.343***

0.306

 Age 45–65 years

1.301***

0.322

0.105

0.117

1.873***

0.321

 Age 65–85 years

1.420***

0.341

0.035

0.121

1.861***

0.345

Education level

 Other education

0.272**

0.132

0.089**

0.042

0.694***

0.174

 Tertiary education

0.282

0.185

0.090*

0.051

0.832***

0.253

Insurance characteristics (public)

 BVA

0.288***

0.095

0.028

0.025

0.323**

0.139

 SVA

0.170

0.129

0.024

0.029

0.304

0.192

 SVB

0.531***

0.205

0.066

0.045

0.668**

0.311

 Private health insurance (1)

0.179

0.113

0.013

0.026

0.150

0.170

 Private health insurance (2)

0.016

0.096

0.007

0.023

0.121

0.134

Other characteristics

 Female householder

0.214**

0.095

0.028

0.025

0.121

0.137

 Income (log)

0.235**

0.095

0.129***

0.026

0.466***

0.124

 Constant

−4.795***

0.759

0.268

0.218

−2.684***

0.955

Observations (households)

5787

 

1384

 

5787

 
  1. Notes: aGLM with log-link and gamma distribution. (1) corresponds to one adult of the household with additional private health insurance. (2) corresponds to both adults of the household having additional private health insurance. This also includes households consisting of one individual (single person I and single person II). Reference groups: single person I, high urbanization, age class 18–25 years, primary education, GKK, no additional private health insurance, and male householder. Significance levels: *** p < 0.01, ** p < 0.05, and * p < 0.1