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Table 2 Factor loadings of principal axis factor analysis

From: Development and evaluation of oral Cancer quality-of-life questionnaire (QOL-OC)

Factors

1

2

3

4

5

6

7

1 Pain in mouth

  

.585

    

2 Pain in jaw

  

.574

    

3 Pain in throat

  

.343

 

.394

  

4 Discomfort in mouth

 

.583

     

5 Eating fluid

   

.927

   

6 Eating semifluid

   

.605

   

7 Eating solid

 

.588

     

8 Choked when eating

     

.502

 

9 Teeth problem

 

.346

     

10 Difficulty opening mouth

 

.529

     

11 Dry mouth

      

.662

12 Sticky saliva

      

.533

13 Sense of taste

    

.371

  

14 Appearance

     

.350

 

15 Difficulty chatting

.831

      

16 Social contact with family

.792

      

17 Social contact with friends

.849

      

18 Social contact in public

.819

      

19 Sexuality

     

.441

 

20 Oral ulcer

 

.241

     

21 Trouble enjoying food

    

.422

  

22 Diet change

 

.403

  

.394

  

23 Pronunciation

.628

      

24 Shoulder & neck function

     

.359

 

25 Bleeding gingiva

 

.094

     

26 Painkillers

  

.530

    

27 Weight loss

    

.513

  

28 Weight gain

    

−.379

  
  1. Only the maximum loadings of each item were shown in the table
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