Skip to main content

Table 4 Tobit regression output showing coefficients, marginal effects for censored sample, standard errors and p-values

From: Economic evaluation of 2014 cholera outbreak in Ghana: a household cost analysis

 

Tobit Regression

Censored Sample

Proportion of HH

Coef.

Std. Err.

P > t

dy/dx

Std. Err.

P > z

Income Grouping (Above GH¢750)

 C1: No Income

0.073**

0.032

0.022

0.019**

0.009

0.036

 C2: Less than GH¢100

0.002

0.033

0.960

0.000

0.009

0.960

 C3: >GH¢100 < GH¢350

0.059**

0.030

0.050

0.019**

0.009

0.037

 C4: >GH¢350 < GH¢750

0.061**

0.030

0.042

0.019**

0.009

0.031

Sex (Male)

 Female

0.004

0.012

0.760

0.001

0.003

0.760

Marital Status (Married)

 Not married

0.137***

0.015

0.000

0.035***

0.004

0.000

Relationship with HH Head (Other Dependents)

 Head of HH

0.002

0.018

0.925

0.001

0.006

0.925

 Spouse

−0.043*

0.022

0.054

−0.015*

0.008

0.059

 Son/Daughter

0.146***

0.016

0.000

0.038***

0.004

0.000

Age

0.002***

0.000

0.000

0.001***

0.000

0.000

Education (Higher)

 None

0.008

0.036

0.820

0.002

0.009

0.822

 Basic

0.017

0.034

0.619

0.005

0.009

0.610

 Sec/Tec/Voc.

0.038

0.035

0.283

0.010

0.009

0.260

NHIS Enrolled (Yes)

 No

−0.015

0.011

0.167

−0.004

0.003

0.168

Drinking Water Source (Inside Plumbing/Standpipe)

 Water vendor

0.015

0.021

0.486

0.004

0.006

0.492

 Neighbouring hse pipe

0.058***

0.016

0.000

0.016***

0.005

0.000

 Public Standpipe

0.019

0.013

0.143

0.005

0.003

0.140

 Other sources

0.004

0.027

0.879

0.001

0.007

0.880

Tobit regression

Number of obs = 1543

  

LR chi2(18) = 315.16

  

Prob > chi2 = 0.0000

  

Log likelihood = −3801.5065

Pseudo R2 = 0.0398

  
  1. Significance levels = ***p < 0.01, **p < 0.05, *p < 0.1