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| Validation of the Korean Version of the Prodromal Questionnaire-Brief Version in Non-Help-Seeking Individuals | |
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| Year of publication | 2019 |
| Title of paper | Validation of the Korean Version of the Prodromal Questionnaire-Brief Version in Non-Help-Seeking Individuals |
| Author | Young Eun Jang, Tae Young Lee, Ji-Won Hur, and Jun Soo Kwon |
| Publication in journal | Psychiatry Investigation |
| Status of publication | accepted |
| Vol | 16(2) |
| Link | https://dx.doi.org/10.30773%2Fpi.2018.10.23 208회 연결 |
ObjectiveIn this study, we examined the reliability and validity of the Korean version of the Prodromal Questionnaire-Brief (PQ-B), a self-report screening instrument for clinical high risk for psychosis (CHR). MethodsA total of 3,400 middle, high school and college students participated, and 261 subjects with a PQ-B total score ≥3 completed both the PQ-B and the Structured Interview for Prodromal Syndromes (SIPS). Receiver operating characteristic (ROC) curves were used to examine the psychometric properties of the PQ-B. ResultsA cut-off of 7 for the PQ-B total score and a cut-off of 22 for the PQ-B distress score showed the best balance of sensitivity (72.2%, 77.8%) and specificity (71.4%, 75.0%). ConclusionThe Korean version of the PQ-B showed good reliability and validity for predicting prodromal risk symptoms in the community population. Keywords: Schizophrenia, Early psychosis, Clinical high risk, Ultra high risk, Screening, PQ-B |
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