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Journal of Patient-Reported Outcomes

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
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