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Table 2 Standardized factor loadings and goodness-of-fit statistics for ICD-10/11 derived Confirmatory Factor Analytic (CFA) models of PTSD and C-PTSD in West Papuan refugees

From: The structure of post-traumatic stress disorder and complex post-traumatic stress disorder amongst West Papuan refugees

    

PTSD models

    

ICD-10

ICD-11

ICD C-PTSD

  

N

%

F1

F2

F3

F1

F2

F3

F1

F2

F3

F4

F5

F6

 

Content

              
 

Intrusion

              

1

Recurring thoughts

94

40.8

1.00

           

2

Distressing dreams

54

23.4

0.93

  

0.94

  

0.95

     

3

Flashbacks

57

24.7

0.91

  

0.97

  

0.98

     

4

Psychological reactions to cues

73

31.7

0.87

           

5

Physiological reactions to cues

57

24.7

0.92

           
 

Avoidance

              

6

Internal avoidance

81

35.2

 

1.00

  

1.00

  

0.98

    

7

External avoidance

79

34.3

 

0.99

  

0.97

  

1.00

    
 

Hyperarousal

              

12

Irritability

16

6.9

  

0.91

         

15

Startle response

14

6

  

0.96

  

0.98

  

0.97

   

14

Hypervigilance

25

10.8

  

0.99

  

0.90

  

0.97

   

13

Concentration problems

17

7.3

  

0.96

         

11

Insomnia

18

7.8

  

0.98

         
 

Affective dysregulation

              

16

Anger outbursts

16

7

         

0.92

  

17

Negative emotions

19

8.3

         

0.90

  
 

Negative self-concept

              

18

Distorted beliefs about self or others

11

4.7

          

0.92

 

19

Self-blame

15

6.5

          

0.97

 
 

Interpersonal problems

              

20

Detachment

24

10.4

           

1.00

21

Difficulty experiencing positive emotions

18

7.8

           

0.92

 

Goodness-of-fit statistics

   

First-order

3-factor second-order model

First-order

3-factor second-order model

First-order

6-factor second-order model

     
 

Second-order factor loadings

    

F1 = 0.90; F2 = 1.00; F3 = 0.85

 

F1 = 0.81; F2 = 1.06; F3 = 0.74

 

F1 = 0.79; F2 = 0.96; F3 = 0.96; F4 = 1.00; F5 = 0.96; F6 = 0.93

     
 

Chi-square

   

158.87

61.83

 

3.43

3.32

 

38.03

344.39

   
 

Degree of freedom

   

35

51

 

14

6

 

40

102

   
 

P

   

0.07

0.14

 

0.75

0.76

 

0.51

<0.001

   
 

Comparative fit index

   

0.99

0.99

 

0.99

0.99

 

0.99

0.93

   
 

Tucker Lewis Index

   

0.99

0.99

 

0.99

0.99

 

0.99

0.92

   
 

Root mean square error of approximation

   

0.03

0.03

 

0.00

0.00

 

0.00

0.00

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