Table 2. Mean (and SD) of age and education, and questionnaire scores, in the control and PTSS groups.

	Control Group (n = 39; PCL-M<50)	PTSS Group (n = 48; PCL-M≥50)
Age (years)	52.2 (10.8)	54.0 (8.4)
Education (years)	13.9 (2.0)	14.0 (2.0)
Psychoactive Medication	28 no; 11 yes (excluding antidepressant)	11 no; 37 yes (including 23 antidepressant)
Combat Exposure Scale (CES)	6.0 (7.4)	10.4 (11.0)
Adult Measure of Behavioural Inhibition (AMBI)	15.1 (4.5)	21.1 (5.3)*
Retrospective Measure of Behavioural Inhibition (RMBI)	11.9 (5.5)	13.9 (6.4)

Asterisk indicates significant difference between PTSS and control groups (t-test, p<0.001).