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Table 3 Ordinary least squares regression model

From: Mapping EORTC QLQ-C30 onto EQ-5D for the assessment of cancer patients

 

Model 1a

Model 2b

 

β

SE

p value

β

SE

p value

Intercept

0.53897

0.03507

< 0.0001

0.56317

0.02044

< 0.0001

Global health status

0.00092

0.00018

< 0.0001

0.00097

0.00018

< 0.0001

Physical functioning

0.00223

0.00027

< 0.0001

0.00222

0.00026

< 0.0001

Role functioning

0.00065

0.00019

0.001

0.00067

0.00018

0.0001

Emotional functioning

0.00038

0.00021

0.071

0.00045

0.00017

0.01

Cognitive functioning

0.00015

0.00021

0.474

   

Social functioning

0.0002

0.00017

0.234

   

Fatigue

0.00042

0.00027

0.111

   

Nausea and vomiting

−0.00005

0.00015

0.737

   

Pain

−0.00123

0.00017

< 0.0001

−0.00125

0.00016

< 0.0001

Dyspnea

−0.00024

0.00015

0.102

   

Insomnia

−0.00009

0.00013

0.494

   

Appetite loss

−0.00001

0.00014

0.943

   

Constipation

−0.00004

0.00012

0.72

   

Diarrhea

0.00005

0.00013

0.72

   

Financial difficulties

0.00005

0.00012

0.673

   
  1. aModel 1 included all functioning and symptom scales and items of the EORTC QLQ-C30 as explanatory variables.
  2. bModel 2 applied backward elimination to Model 1.