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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