Reliability and validity study of the Turkish version of bipolar prodrome symptom scale
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Date
2018
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Abstract
Objective: This study aimed to evaluate the reliability and validity of the Turkish version of Bipolar Prodrome Symptom Scale. Method: Thirty subjects with bipolar disorder and 122 healthy control subjects were enrolled in this study. All participants were 1st grade students of Celal Bayar University and were part of the study on the epidemiology of bipolar disorder. The Hypomania Checklist-32-Revised was used for concurrent validity. Statistical analysis, internal consistency coefficient, item-total score correlation coefficients, exploratory factor analysis, correlation with concurrent scale and ROC curve were calculated Results: The Bipolar Prodrome Symptom Scale was first translated into Turkish and than back-translated into English which led to the semantic harmony of the scale. Cronbach alpha coefficient was between 0.969 and 0.979, the item-total score correlations were between 0.767 and 0.929, and 0.725-0.890. The factor analysis for the severity subscale showed a one-factor solution representing 79% of the variance and the frequency subscale one-factor solution represented 72% of the solution. Correlation of Bipolar Prodrome Symptom Scale with Hypomania Checklist-32-Revised was r=0.513 and 0.530. The ROC analysis showed an area under the curve of 0.977 and 0.999. The scale discriminates well between the bipolar group and healthy control group. Conclusion: The Turkish version of the Bipolar Prodrome Symptom Scale developed for screening hypomania is reported to be reliable and valid. © 2018 Turkish Association of Nervous and Mental Health.
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Adolescent , Bipolar Disorder , Case-Control Studies , Female , Humans , Male , Psychometrics , Reproducibility of Results , ROC Curve , Severity of Illness Index , Surveys and Questionnaires , Translations , Turkey , Young Adult , adolescent , bipolar disorder , case control study , female , human , male , psychology , psychometry , publication , questionnaire , receiver operating characteristic , reproducibility , severity of illness index , standards , turkey (bird) , validation study , young adult