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Table 4 Factor coefficients of individual items of kidney disease component of KDQOL SF TM mapped with the domain structure of the kidney disease component of KDQOL SF TM based on expert opinion and analysis of literature

From: Validity and reliability of the Sri Lankan version of the kidney disease quality of life questionnaire (KDQOL-SF™)

Domain

Question

F1

F2

F3

F4

F5

F6

F7

F8

F9

F10

F11

F12

F13

F14

BKD

12A

        

0.528

     

12B

        

0.513

     

12C

        

0.556

     

12D

        

0.405

     

QSI

13A

  

0.486

           

13C

  

0.520

           

13E

  

0.421

           

CF

13B

            

0.878

 

13D

            

-0.604

 

13F

            

0.413

 

Symptom/problem Domain

14A

          

0.789

   

14B

       

−0.503

      

14C

       

0.855

      

14D

     

0.744

        

14E

     

0.870

        

14F

       

−0.823

      

14G

          

0.433

   

14H

          

0.774

   

14I

  

0.629a

           

14 J

   

0.812a

          

14 K

          

0.840

   

EKD

15A

0.649

             

15B

  

0.710a

           

15C

0.681

             

15D

           

0.489

  

15E

0.405

             

15F

0.725

             

15G

 

0.551a

            

15H

           

0.610

  

SF

16A

    

0.933

         

16B

    

0.907

         

Sleep

17

 

0.878

            

18A

 

0.904

            

18B

 

0.685

            

18C

         

0.825a

    

SS

19A

   

0.805

          

19B

   

0.693

          

WS

20

             

0.802

21

             

0.720

PS

23

         

0.509

    

HSE

24A

      

0.870

       

24B

      

0.879

       
  1. BKD Burden of kidney disease, QSI Quality of social interaction, CF Cognitive function, EKD Effects of kidney disease, SF Sexual function, SS Social support, WS Work status, PS Patient satisfaction, HSE Hospital staff encouragement
  2. aQuestions which did not load to an appropriate factors in accordance with the theoretical background