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. 2022 Apr 29;13:860487. doi: 10.3389/fpsyt.2022.860487

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Copyright © 2022 Chao, Wu, Lai, Hsu, Cheng, Wu, Huang and Chen.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The symptoms that best explain the diagnosis of major depressive episodes based on R-squared and participants’ ratings. DSM-IV-TR, Diagnostic and Statistical Manual of Mental Disorders, 4th edition, text revision. Participants’ ratings, the proportions of all participants selecting the symptoms. *Percentages are the R-squared statistics representing the proportions of the variances of the diagnosis of major depressive episodes explained by the symptoms, assuming symptom prevalence as 0.3 and symptom correlations as 0.1 (9).