Table 1

Demographic and clinical characteristics of the study samples


PTSD N = 48
CG N = 44
Controls N = 48
Test, significance (p)


Mean ± S.D.
Mean ± S.D.
Mean ± S.D.


Age
44.8 ± 14.3
49.3 ± 14.5
41.2 ± 12.2
F = 4.0, p < 0.05, CG>C

N (%)
N (%)
N (%)

Female
25 (51.2)
37 (84.1)
31 (64.6)
Chi-square = 10.6, p < 0.01, CG>PTSD
Marital status



Chi-square = 27.8, p < 0.001
     Single
14 (29.2)
12 (27.3)
23 (47.9)

     Married/living with partner
32 (66.7)
18 (40.9)
24 (50.0)

     Widows-ers
1 (2.1)
12 (27.3)
1 (2.1)

>8 y. of education
32 (66.7)
24 (54.5)
38 (79.2)
Chi-square = 6.3, p < 0.05, C>CG
Employed full/part time
30 (62.6)
21 (47.7)
53 (72.9)
Chi-square = 6.2, p = 0.05, C>CG

Mean ± S.D.
Mean ± S.D.
Mean ± S.D.

IES Total score
26.1 ± 17.2
30.3 ± 15.0
12.0 ± 11.8
F = 19.7, p < 0.001; CG, PTSD>C
     Intrusive
13.4 ± 8.9
16.0 ± 8.5
6.6 ± 6.6
F = 16.8, p < 0.001; CG, PTSD>C
     Avoidance
12.8 ± 9.4
14.4 ± 8.5
5.4 ± 5.7
F = 16.8, p < 0.001, CG, PTSD>C
ICG Total score
9.3 ± 7.1
38.8 ± 10.5
5.1 ± 6.5
F = 215.8, p < 0.001, CG>PTSD, C

Dell'Osso et al. Clinical Practice and Epidemiology in Mental Health 2008 4:2   doi:10.1186/1745-0179-4-2