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Table 4 Exploratory factor analysis of the Igbo-CSQ using the Kaiser criterion to determine dimensionality

From: Only two subscales of the Coping Strategies Questionnaire are culturally relevant for people with chronic low back pain in Nigerian Igbo populations: a cross-cultural adaptation and validation study

  1 2 3 4 5 6 7
CSQ16 0.802       
CSQ21 0.760       
CSQ17 0.736   − 0.364     
CSQ29 0.713       
CSQ1 0.667       
CSQ24 0.564       
CSQ35 0.549       
CSQ41 0.515       
CSQ27 0.480   0.332     
CSQ7 0.450       
CSQ39 0.326       
CSQ36   0.979      
CSQ15   0.964      
CSQ28   0.928      
CSQ22   0.736      
CSQ8   0.620      
CSQ20   0.553      
CSQ14   0.525     0.361  
CSQ6   0.489      
CSQ23   0.486      0.481
CSQ18 0.313 0.393      
CSQ12    0.984     
CSQ38    0.652     
CSQ3    0.595     
CSQ26 0.309   0.561     
CSQ2 0.330   0.530     
CSQ34    0.481     0.317
CSQ9    0.473     
CSQ40    0.467     
CSQ33     0.790    
CSQ5     0.766    
CSQ37     0.743    
CSQ13    0.328 0.633    
CSQ11    0.423 0.488    
CSQ30      0.728   
CSQ32      0.482   
CSQ42    0.316   0.381   
CSQ4 0.339      0.464  
CSQ25     0.390   0.402  
CSQ31   0.300     0.362  
CSQ10       0.346  
CSQ19        0.339
KMO = 0.93        
χ2 = 5499.07***
Proportion of explained variance of factor
0.136 0.146 0.115 0.074 0.038 0.041 0.031
  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 7 iterations