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Table 3 The descriptive statistics, and Cronbach’s alpha of each scale/subscale, and correlations among all scales along with subscales

From: The psychometric properties of the Bangla Posttraumatic Stress Disorder Checklist for DSM-5 (PCL-5): preliminary reports from a large-scale validation study

Scales/subscales

Mean (SD)

Item Range

α

1

2

3

4

5

6

7

8

9

10

1. R

8.14 (4.26)

5 (0–20)

0.75

―

         

2. A

3.40 (2.10)

2 (0–8)

0.58

0.43*

―

        

3. NACM

8.92 (6.18)

7 (0–28)

0.83

0.52*

0.38*

―

       

4. AR

8.20 (5.20)

6 (0–24)

0.76

0.54*

0.36*

0.73*

―

      

5. NA

4.71 (3.67)

4 (0–16)

0.74

0.47*

0.35*

0.91*

0.64*

―

     

6. An

4.21 (3.21)

3 (0–12)

0.76

0.47*

0.32*

0.88*

0.67*

0.61*

―

    

7. DA

5.41 (3.95)

4 (0–16)

0.75

0.50*

0.32*

0.73*

0.95*

0.63*

0.69*

―

   

8. AA

2.80 (1.92)

2 (0–8)

0.37

0.43*

0.31*

0.45*

0.76*

0.42*

0.39*

0.51*

―

  

9. EB

2.46 (2.12)

2 (0–8)

0.58

0.41*

0.27*

0.68*

0.84*

0.59*

0.63*

0.88*

0.47*

―

 

10. Total PCL-5

28.66 (14.52)

20 (0–80)

0.90

0.77*

0.56*

0.89*

0.88*

0.80*

0.80*

0.84*

0.64*

0.75*

―

11. Total PHQ-9

9.02 (6.81)

9 (0–27)

0.89

0.44*

0.26*

0.67*

0.67*

0.58*

0.64*

0.70*

0.36*

0.59*

0.69*

  1. SD Standard deviation, α Cronbach alpha, R Re-experiencing, A Avoidance, NACM Negative alterations in cognitions and mood, AR Alterations in arousal and reactivity, NA Negative affect, An Anhedonia, DA Dysphoric arousal, AA Anxious arousal, EB Externalizing behaviors, PCL-5 Posttraumatic Stress Disorder Checklist, PHQ-9 Patient Health Questionnaire; *p < 0.001