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Table 3 Results of ordinal regression analysis

From: Willingness to pay for health care services in common cold, retinal detachment, and myocardiac infarction: an internet survey in Japan

A. Common Cold (n = 729)

Parameter

B-coefficient

Wald

p-value

Age

   

   40–44

-0.118

0.58

0.447

   45–49

0.017

0.01

0.917

   50–54

0.075

0.19

0.667

   55–59

Reference

  

Sex

   

   Male

-0.016

0.03

0.853

   Female

Reference

  

Annual income

   

   Low

-0.077

0.32

0.574

   Medium

0.014

0.02

0.876

   High

Reference

  

Private insurance policy holding status

   

   Have insurance

0.058

0.40

0.527

   Don't have insurance

Reference

  

History of hospitalization

   

   Yes

0.075

0.83

0.362

   No

Reference

  

Subjective fitness level

   

   Bad

0.277

5.96

0.015

   Average

0.218

4.97

0.026

   Good

Reference

  

Pseudo-r square = 0.018

B. Retinal Detachment (n = 729)

Parameter

B-coefficient

Wald

p-value

Age

   

   40–44

-0.011

0.00

0.949

   45–49

-0.099

0.30

0.586

   50–54

-0.023

0.01

0.904

   55–59

Reference

  

Sex

   

   Male

-0.077

0.67

0.414

   Female

Reference

  

Annual income

   

   Low

-0.484

8.98

0.003

   Medium

-0.136

1.86

0.172

   High

Reference

  

Private insurance policy holding status

   

   Have insurance

-0.012

0.01

0.905

   Don't have insurance

Reference

  

History of hospitalization

   

   Yes

0.172

3.48

0.062

   No

Reference

  

Subjective fitness level

   

   Bad

0.184

2.07

0.150

   Average

0.142

1.62

0.203

   Good

Reference

  

Pseudo-r square = 0.021

C. Myocardiac Infarction (n = 729)

Parameter

B-coefficient

Wald

p-value

Age

   

   40–44

0.117

0.42

0.518

   45–49

0.099

0.28

0.597

   50–54

0.177

0.78

0.377

   55–59

Reference

  

Sex

   

   Male

-0.215

5.18

0.023

   Female

Reference

  

Annual income

   

   Low

-0.481

8.82

0.003

   Medium

-0.157

2.47

0.116

   High

Reference

  

Private insurance policy holding status

   

   Have insurance

-0.004

0.00

0.969

   Don't have insurance

Reference

  

History of hospitalization

   

   Yes

0.064

0.48

0.490

   No

Reference

  

Subjective fitness level

   

   Bad

0.087

0.46

0.496

   Average

0.104

0.88

0.349

   Good

Reference

  

Pseudo-r square = 0.022