. Author manuscript; available in PMC: 2012 Jun 1.

Published in final edited form as: Psychol Assess. 2011 Jun;23(2):463–477. doi: 10.1037/a0022294

Table 1.

Test-Retest Reliability of High Magnitude Stressor (HMS) and Persisting Posttraumatic Distress (PPD) Event Reports

	Homeless Veterans (N=36)	Hospital Trauma (N=21)	University Students (N=120)	Young Adults (N=55)
Median % absolute agreement for HMS (range)	86% (61–100)	86% (62–100)	96% (90–100)	96% (75–98)
Median kappa for HMS (range)	.70 (.22–1.0)	.61 (.22–.81)	.74^a (.71–.89)	.74^a (.61–.92)
Median % absolute agreement for PPD categories (range )	87% (74–92)	-	-	-
Median kappa for PPD categories (range)	.75 (.46–.79)	-	-	-
Test-retest for total HMS score	.93^***	.74^***	.87^***	.77^***
Test-retest for total PPD score	.73^***	.95^***	.82^***	.73^**

^**

p < .01,

^***

p < .001

Note: The test-retest interval was 1 to 2 weeks for studies 1, 2, and 4 and 2 months for study 3.

calculated based on trauma category endorsement.