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2.6.3. PHQ-9

IC I-Peng Chen
CH Chun-Chao Huang
HH Hui-Chun Huang
FY Fan-Pei Gloria Yang
KK Kai-Ting Ko
YL Yun-Tse Lee
FS Fang-Ju Sun
SL Shen-Ing Liu
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PHQ-9 consists of nine items evaluating the nine DSM criteria of MDD over the past 2 weeks [25]. This self-rating scale does not focus on symptoms of anxiety. Each item is rated from 0 to 3, giving a total score of 0–27. Higher scores reflect a higher likelihood of MDD. The Chinese version of PHQ-9 has been validated for primary care adults in Taiwan [26]. PHQ-9 scores of 10 or higher displayed a sensitivity of 0.86 and specificity of 0.94 for detecting MDD.

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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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