Psychometric Validation of the Korean Version of Structured Interview for Post-traumatic Stress Disorder (K-SIP)
- Affiliated Author(s)
- 김정범
- Alternative Author(s)
- Kim, Jung Bum
- Journal Title
- Journal of Korean Medical Science
- ISSN
- 1011-8934
- Issued Date
- 2009
- Keyword
- Post-Traumatic; Stress Disorder; Validation Studies
- Abstract
- For diagnosis and management of post-traumatic stress disorder (PTSD), the easily
administered assessment tool is essential. Structured Interview for PTSD (SIP) is
a validated, 17-item, simple measurement being used widely. We aimed to develop
the Korean version of SIP (K-SIP) and investigated its psychometric properties.
Ninety-three subjects with PTSD, 73 subjects with mood disorder or anxiety disorder
as a psychiatric control group, and 88 subjects as a healthy control group were
enrolled in this study. All subjects completed psychometric assessments that included
the K-SIP, the Korean versions of the Clinician-Administered PTSD Scale (CAPS)
and other assessment tools. The K-SIP presented good internal consistency (Cronbach’s
α=0.92) and test-retest reliability (r=0.87). K-SIP showed strong correlations
with CAPS (r=0.72). Among three groups including PTSD patients, psychiatric controls,
and normal controls, there were significant differences in the K-SIP total score.
The potential cut-off total score of K-SIP was 20 with highest diagnostic efficiency
(91.9%). At this point, the sensitivity and specificity were 95.5% and 88.4%, respectively.
Our result showed that K-SIP had good reliability and validity. We expect that
K-SIP will be used as a simple but structured instrument for assessment of PTSD.
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