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- Title
An Analysis of the Validity and Reliability of PC-PTSD (Primary Care - Post Traumatic Stress Disorder) in the Islamic Republic of Iran Army.
- Authors
Farhad Avakh Kisomi; Ahmad Ali Noorbala; Khoshdel, Alireza; Taghva, Arsia
- Abstract
Background: PTSD screening is essential in the diagnosis and treatment of disorders and the increase of the State's combat power. Therefore, the current research was carried out as supported financially by the General Staff of The Islamic Republic of Iran Army to examine the validity and reliability of the test in the army. Methods: The study population includes all military personnel who have experienced war. Based on the samples available, they were divided in 3 groups of 384 people, i.e. healthy, neurotic non PTSD and PTSD. All of them filled the PC-PTSD questionnaire, PCL-M questionnaire; a researcher had made the demographic questionnaire. For 31 patients from the sample, the tests were repeated at a two-week interval and the results were statistically analyzed. Results: Regarding PC-PTSD in the patient group and the control group, different results were obtained (P=0.000) that indicated high validity. The coefficient of Cronbach's Alpha was equal to 0.99. The test and retest reliability was very high (0.991). The coefficient of correlation was 0.933 between PC-PTSD and PCL-M, and it was 0.871 in the non-parametric spearmen (high validity). The accuracy of the diagnosis was assessed using the decision tree method indicating that PC-PTSD was accurate by 86.7% for the diagnosis of normal people and by 92.5% for the diagnosis of PTSD patients. To determine the cut-off point of the highest diagnostic agreement, score 2 was obtained with its sensitivity and specificity being 0.818 and 0.966, respectively. According to the results indicating high validity, high reliability, and high diagnostic accuracy, we recommend PC-PTSD for the annual staff examinations of the Army.
- Subjects
IRAN; PRIMARY care; MILITARY personnel; CRONBACH'S alpha; TEST validity; ARMIES
- Publication
Iranian Journal of Psychiatry & Behavioral Sciences / Progress in Psychiatry & Behavioral Sciences, 2018, p165
- ISSN
1735-8639
- Publication type
Article