Occupational Therapy International

Research Article

Cross-Cultural Adaptation and Validation of the Hong Kong Version of the Knee Injury and Osteoarthritis Outcome Score (HK-KOOS) for Patients with Knee Osteoarthritis

Table 4

Factor loadings of each item for HK-KOOS ().
HK-KOOS items1234567
A91.134      
A111.102      
A120.688      
A140.619      
A100.609      
A150.488      
SP40.413      
S7 0.758     
S6 0.758     
S3 0.691     
S1 0.552     
S2 0.49     
Q3 0.447     
SP3  0.923    
SP2  0.888    
SP5  0.694    
SP1  0.674    
A5  0.349    
A16   0.707   
A17   0.539   
Q4   0.518   
S5   0.442   
A8   0.431   
Q2   0.31   
P9    0.837  
A4    0.811  
P5    0.609  
A6    0.52  
A1     0.878 
A2     0.741 
P6     0.723 
P4     0.464 
A7     0.419 
P3      0.651
S4      0.569
A3      0.502
P8      0.429
P7      0.385
A13      0.359
Q1      0.345
Items with factor loadings under .03 were suppressed (items P1 and P2). P=pain, S=symptoms, A=activities of daily living, SP=sport and recreation, and Q=knee-related quality of life.