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Table 4 Factor loadings and assignment of items to subscales: children

From: Development and validation of a tool for the assessment of benefit from treatment of allergic rhinitis in children and adolescents (PBI-AR-K)

 

Factor 1

Factor 2

Factor 3

Factor 4

Items in subscale 1 (‘treatment burden’): Cronbach's alpha = 0.818

 06) … have an easily applicable treatment

0.698

   

 11) … need less time for treatment

0.799

   

 17) … not to have to go to the doctor so often

0.698

0.315

  

 18) … have a comfortable treatment

0.756

   

 19) … have fewer side effects

0.446

   

Items in subscale 2 (‘fatigue/social life’): Cronbach's alpha = 0.815

 01) … no longer have to sneeze

0.328

0.369

  

 04) … feel less tired or groggy

 

0.755

  

 10) … be able to sleep better

 

0.699

  

 14) … feel more comfortable being around other people

 

0.608

 

0.321

 15) … be focused at school

0.366

0.651

  

 16) … not be excluded by others

 

0.723

  

Items in subscale 3 (‘physical symptoms’): Cronbach's alpha = 0.813

 02) … no longer have a runny or stuffy nose

  

0.780

 

 03) … be able to breathe through your nose freely

  

0.794

 

 09) … no longer have hay fever symptoms

  

0.572

0.382

 12) … feel well even with having hay fever

  

0.655

0.348

Items in subscale 4 (‘being outdoors’): Cronbach's alpha = 0.771

 05) … be able to stay outdoors without symptoms

  

0.314

0.681

 07) … not have itching on the eyes, nose or throat anymore

0.378

  

0.630

 08) … not have burning or watery eyes anymore

   

0.793

 13) … be able to do anything you want in your free time even while having hay fever

  

0.438

0.596

  1. N = 204; loadings < 0.3 not shown; in bold: highest loading of the respective item