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Standardization of the Korean Version of the Patient Health Questionnaire-4 (PHQ-4)
Clinical Psychopharmacology and Neuroscience ; : 104-111, 2021.
Article in English | WPRIM | ID: wpr-874490
ABSTRACT
Objective@#The Patient Health Questionnaire-4 (PHQ-4) has been used for screening owing to ease of use and brevity.In this study, we developed the Korean version of the PHQ-4 and tested its validity. @*Methods@#One hundred sixteen new adult outpatients at the Department of Psychiatry of the Korea University Ansan Hospital participated in the study. We simultaneously administered other depression/anxiety scales the Hamilton Rating Scale for Depression, the Hamilton Anxiety Scale, the Beck Depression Inventory, and the Beck Anxiety Inventory. @*Results@#The mean PHQ-4 score was 6.52 (standard deviation = 3.45). Cronbach’s α was 0.792, and the intraclass correlation coefficient of test and 2-week interval retest was 0.827 (p < 0.01). The Pearson correlation coefficients between the PHQ-4 total score and other depression/anxiety scales were all over 0.6. Confirmatory factorial analysis showed acceptable convergent validity and reliability but questionable discriminant validity for some model fit values. @*Conclusion@#The Korean version of the PHQ-4 has sufficient internal consistency, test-retest reliability, and construct validity, but its two-factor structure showed incompleteness. However, we suggest that it should be used as a brief screening measure for common psychiatric distress that warrants further detailed assessment, but not to separately assess the severity of depression and anxiety symptoms.
Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: English Journal: Clinical Psychopharmacology and Neuroscience Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Prognostic study Language: English Journal: Clinical Psychopharmacology and Neuroscience Year: 2021 Type: Article