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Table 5 Exploratory factor analysis of the Igbo-WHODAS

From: World Health Organisation Disability Assessment Schedule (WHODAS 2.0): development and validation of the Nigerian Igbo version in patients with chronic low back pain

n = 200 1 2 3 4 5 6 7
WHODAS D5.4 .904       
WHODAS D5.1 .846       
WHODAS D5.2 .799       
WHODAS D5.8 .790       
WHODAS D5.7 .730       
WHODAS D5.3 .724       
WHODAS D5.5 .720       
WHODAS D5.6 .704       
WHODAS D6.1 .503       
WHODAS D3.4 .421       
WHODAS D6.8 .305       
WHODAS D4.4   .897      
WHODAS D4.1   .812      
WHODAS D4.3   .680      
WHODAS D4.2   .549      .364
WHODAS D6.3   .503      .332
WHODAS D1.5   .484   .377    
WHODAS D4.5   .413      
WHODAS D2.4    .809     
WHODAS D2.2    .720     
WHODAS D2.5    .640     
WHODAS D2.1    .624     
WHODAS D2.3    .584     
WHODAS D6.4    .546     
WHODAS D6.5    .477     
WHODAS D1.2     .759    
WHODAS D1.1     .713    
WHODAS D1.3     .680    
WHODAS D1.4     .473    
WHODAS D1.6   .411   .459    
WHODAS D6.6      .912   
WHODAS D6.7      .828   
WHODAS D3.1    .310    .737  
WHODAS D3.2       .689  
WHODAS D3.3   .456     .480  
WHODAS D6.2     .408    .421
KMO = 0.92
χ2 = 4984.50***
  1. Only factor loadings above 0.3 are shown; KMO = Kaiser-Meyer-Olkin measure of sampling adequacy; χ2 = Bartlett’s test of sphericity tested with chi-square ***p < 0.001; Extraction Method: Principal Axis Factoring; Rotation Method: Promax with Kaiser Normalization; Rotation converged in 11 iterations.