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Table 1 Final factor solution: principal-components analysis with varimax-rotation in the first group. Cronbach's Alpha of the four factors

From: Differences in the experience of fatigue in patients and healthy controls: patients' descriptions

 

Frustrating

Exhausting

Pleasant

Frightening

discouraging

.735

   

incessant

.585

   

annoying

.680

   

persistent

.559

   

frustrating

.704

   

exhausting

 

.690

  

wearisome

 

.537

  

extreme

 

.724

  

unbearable

 

.509

  

temporary

  

.400

 

relaxing

  

.661

 

fulfilling

  

.713

 

normal

  

.522

 

pleasant

  

.792

 

upsetting

   

.727

frightening

   

.618

inexplicable

   

.490

insuperable

   

.444

Cronbach's Alpha

.79

.68

.61

.57

  1. Three adjectives were excluded of factor analysis because they were marked with a cross for less than 10%: Protective, Soothing, Threatening. Seven adjectives were excluded of factor analysis because factor loadings <.40 and/or <.10 difference in loadings with the other factors: Demanding, Paralysing, Aggravating, Compelling, Treacherous, Insoluble, Acceptable