Table 2.

Evaluation of discriminant validity.

	Subscales			Total Score
	Re-experiencing	Avoidance	Arousal	SSS
Country of origin:
Iraq (n = 238)
Mean	7.63	5.67	6.33	19.63
(SD)	(4.53)	(4.62)	(4.40)	(11.77)
Other (n = 215)
Mean	4.28	2.74	2.67	9.70
(SD)	(4.26)	(3.60)	(3.25)	(9.78)
t-test	8.09	7.56	10.61	9.81
(df)	(451)	(441.68)	(434.42)	(447.97)
sign.	P < .001	P < .001	P < .001	P < .001
Lived in refugee camp
Yes (n = 168)
Mean	7.57	5.34	6.28	19.18
(SD)	(4.62)	(4.27)	(4.31)	(11.38)
No (n = 285)
Mean	5.15	3.66	3.60	12.40
(SD)	(5.15)	(4.38)	(3.97)	(11.56)
t-test	4.53	3.99	6.72	6.07
(df)	(451)	(451)	(451)	(451)
sign.	P < .001	P < .001	P < .001	P < .001
Functioning (impairment of)
Mod./Sev. (n = 183)
Mean	8.90	7.02	7.14	23.06
(SD)	(4.23)	(4.59)	(4.17)	(19.90)
Little/Non (n = 270)
Mean	4.11	2.42	2.87	9.40
(SD)	(3.98)	(3.14)	(3.44)	(9.13)
t-test	12.24	11.82	11.48	13.96
(df)	(451)	(295.73)	(339.90)	(343.86)
sign.	P < .001	P < .001	P < .001	P < .001
CES-D Score > 18
Yes (n = 248)
Mean	7.84	6.21	6.57	20.62
(SD)	(4.59)	(4.65)	(4.45)	(11.92)
No (n = 199)
Mean	3.81	1.89	2.12	7.81
(SD)	(3.84)	(2.52)	(2.39)	(7.19)
t-test	10.13	12.51	13.52	14.04
(df)	(444.23)	(394.61)	(396.37)	(414.94)
sign.	P < .001	P < .001	P < .001	P < .001