. Author manuscript; available in PMC: 2016 Sep 1.

Published in final edited form as: Clin Psychol Sci. 2014 Nov 26;3(5):663–674. doi: 10.1177/2167702614551766

Table 2.

The PreCL and PCL scores Before, During and Three Months after Return from Deployment (Total and Items 1 to 8 only)

	Before	During	Return +3 mo.	Effect of Time
Scales	M (SD)	M (SD)	M (SD)	F	η_P²
Total items
PreCL (N=211)	22.85 (6.81)	20.80 (5.79)	21.00 (7.39)	11.93^***	.05
PCL (N=218)	22.82 (7.68)	21.19 (6.20)	21.96 (7.62)	6.07^**	.03
Items 1 to 8 only
PreCL (N=212)	10.44 (3.33)	9.23 (2.61)	9.26 (3.44)	16.79^***	.07
PCL (N=218)	9.99 (3.64)	9.30 (2.80)	9.62 (3.28)	3.97^*	.02

Note: PreCL: Pre-traumatic Stress Reactions Checklist; PCL: PTSD Checklist; Items 1 to 8 are temporally reversed in the PreCL;

^***

p < .0001;

^**

p < .001;

p < .05