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Table 3 Demographics and clinical characteristics of the interviewed sample and the PTSD cases identified by DSM-IV, ICD-10 and the proposed ICD-11 two- and three factor models

From: An evaluation of ICD-11 posttraumatic stress disorder criteria in two samples of adolescents and young adults exposed to mass shootings: factor analysis and comparisons to ICD-10 and DSM-IV

  

PTSD cases by diagnostic system

 

WHOLE SAMPLE

DSM-IV n = 43 (18.9 %)

 

ICD-10 n = 85 (37.3 %)

 

Two-factor ICD-11 n = 56 (24.6 %)

 

Three-factor ICD-11 n = 51 (22.4 %)

 
 

N = 228

 

χ 2/Fa

 

χ 2/Fa

 

χ 2/Fa

 

χ 2/Fa

Sex, n (%)

  

7.30**

 

10.65**

 

7.04**

 

7.59**

 Male

44 (19.3)

2 (4.7)

 

7 (8.2)

 

4 (7.1)

 

3 (5.9)

 

 Female

184 (80.7)

41 (95.3)

 

78 (91.8)

 

52 (92.9)

 

48 (94.1)

 

Age, M (SD)

17.6 (3.7)

17.2 (3.8)

.48

17.6 (3.9)

.04

17.6 (3.8)

.00

17.3 (3.8)

.35

 Range 12–30 years

         

Study group, n (%)

  

.02

 

.79

 

.58

 

.01

 Jokela

124 (54.4)

23 (53.5)

 

43 (50.6)

 

28 (50.0)

 

28 (54.9)

 

 Kauhajoki

104 (45.6)

20 (46.5)

 

42 (49.4)

 

28 (50.0)

 

23 (45.1)

 

Exposure, n (%)

  

20.40***

 

16.51**

 

19.89**

 

20.93***

 Mild-to-moderate

55 (24.1)

5 (11.6)

 

10 (11.8)

 

4 (7.1)

 

3 (5.9)

 

 Significant

124 (54.4)

18 (41.9)

 

48 (56.5)

 

30 (53.6)

 

27 (52.9)

 

 Severe-to-extreme

49 (21.5)

20 (46.5)

 

27 (31.8)

 

22 (39.3)

 

21 (41.2)

 

GAS, M (SD)

75.9 (11.1)

64.1 (11.6)

78.96***

69.1 (11.8)

65.18***

67.2 (12.0)

53.86***

66.8 (11.8)

51.84***

GHQ-12, M (SD)b

3.3 (3.3)

6.5 (3.5)

62.39***

4.7 (3.6)

29.00***

6.1 (3.4)

66.64***

5.9 (3.5)

46.35***

IES-22, M (SD)b

29.2 (23.7)

53.4 (25.0)

68.60***

44.8 (24.9)

73.37***

53.1 (22.2)

104.83***

53.0 (23.0)

85.04***

Depression, n (%)

20 (8.8)

8 (18.6)

6.40*

15 (17.6)

13.34***

11 (19.6)

10.96**

10 (19.6)

9.64**

Anxiety disorder, n (%)

23 (10.1)

7 (16.3)

2.24

12 (14.1)

2.43

7 (12.5)

.48

6 (11.8)

.20

Alcohol problem use, n (%)

29 (12.8)

6 (14.0)

.07

10 (11.8)

.13

8 (14.5)

.20

8 (15.7)

.50

  1. aPTSD vs. no PTSD within the diagnostic classification system
  2. breported four months after the incident
  3. *p < 0.05, **p < 0.01, ***p < 0.001