Validation of the Korean Version of the Children’s Revised Impact of Event Scale
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Objective: This study examined the psychometric properties of the Korean version of the Children’s Revised Impact of EventScale (CRIES) and its validity as a screening instrument for the post-traumatic stress disorder (PTSD). Methods: The study population consisted of two samples. The clinical sample consisted of 60 child and adolescent patientsfrom the Department of Neuropsychiatry, Ilsan Paik Hospital, Inje University College of Medicine. The normal sample consistedof 291 students from four schools (primary, middle, and high schools). We administered four self-report questionnaires (the CRIES,Child Reports of Post-traumatic Symptoms [CROPS], State-Trait Anxiety Inventory for Children [STAI-C], and Children’sDepression Inventory [CDI]) to 351 children and adolescents after obtaining informed consent from all participants and theirparents. Results: The CRIES showed good reliability (Cronbach’s α for the full scale and subscales ranged from 0.85 to 0.93). Thetotal CRIES score was positively correlated with CROPS, STAI-C, and CDI. Confirmatory factor analysis indicated that a three-factorstructure for the CRIES (intrusion, avoidance, and hyper-arousal) had a significantly better fit than a two-factor model (intrusion/hyper-arousal and avoidance). Receiver operating characteristic curve analysis indicated that a cutoff of 26 offered theoptimum predictive point. That is, this cutoff maximized the balance between sensitivity (0.88) and specificity (0.85). Using thiscutoff, the positive predictive value was 0.86, and the negative predictive value was 0.99. Conclusion: These findings imply that the CRIES is a highly accurate diagnostic test in clinical settings.
Abstract
Objective: This study examined the psychometric properties of the Korean version of the Children’s Revised Impact of EventScale (CRIES) and its validity as a screening instrument for the post-traumatic stress disorder (PTSD). Methods: The study population consisted of two samples. The clinical sample consisted of 60 child and adolescent patientsfrom the Department of Neuropsychiatry, Ilsan Paik Hospital, Inje University College of Medicine. The normal sample consistedof 291 students from four schools (primary, middle, and high schools). We administered four self-report questionnaires (the CRIES,Child Reports of Post-traumatic Symptoms [CROPS], State-Trait Anxiety Inventory for Children [STAI-C], and Children’sDepression Inventory [CDI]) to 351 children and adolescents after obtaining informed consent from all participants and theirparents. Results: The CRIES showed good reliability (Cronbach’s α for the full scale and subscales ranged from 0.85 to 0.93). Thetotal CRIES score was positively correlated with CROPS, STAI-C, and CDI. Confirmatory factor analysis indicated that a three-factorstructure for the CRIES (intrusion, avoidance, and hyper-arousal) had a significantly better fit than a two-factor model (intrusion/hyper-arousal and avoidance). Receiver operating characteristic curve analysis indicated that a cutoff of 26 offered theoptimum predictive point. That is, this cutoff maximized the balance between sensitivity (0.88) and specificity (0.85). Using thiscutoff, the positive predictive value was 0.86, and the negative predictive value was 0.99. Conclusion: These findings imply that the CRIES is a highly accurate diagnostic test in clinical settings.
참고문헌 (25)
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