Investigating the PHQ-9 With Mokken Scale Analysis and Cognitive Interviews.

IF 4.3 3区材料科学 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

ACS Applied Electronic Materials Pub Date : 2024-09-01 Epub Date: 2023-12-30 DOI:10.1177/10731911231216961

Kristín Hulda Kristófersdóttir, Hafrún Kristjánsdóttir, Ragnhildur Lilja Asgeirsdottir, Thorlakur Karlsson, Vaka Vésteinsdóttir, Fanney Thorsdottir

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Abstract

Scores on the Patient Health Questionnaire-9 (PHQ-9) are frequently used to assess depression both in research and in clinical practice. The aim was to examine the validity of the PHQ-9 sum score by using Mokken scale analysis (Study I) and cognitive interviews (Study II) on the Icelandic version of PHQ-9. A primary care sample of 618 individuals was used in Study I. The results indicate that the PHQ-9 items are not close enough to perfectly unidimensional for their sum score to accurately order people on the depression severity dimension. In Study II, the sample consisted of 53 individuals, with 28 having a history of depression and 25 not. The findings reveal a number of issues concerning respondents' use of the PHQ-9. No systematic differences were found in the results of the two groups. The PHQ-9 sum score should thus be interpreted and used with great care. We provide scale revision recommendations to improve the quality of PHQ-9.

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利用莫肯量表分析和认知访谈调查 PHQ-9。

在研究和临床实践中，患者健康问卷-9（PHQ-9）的分数经常被用来评估抑郁症。本研究旨在通过对冰岛版 PHQ-9 进行莫肯量表分析（研究 I）和认知访谈（研究 II），检验 PHQ-9 总分的有效性。结果表明，PHQ-9 的项目不够接近完美的单维度，因此其总分不能准确地对抑郁严重程度维度进行排序。在研究 II 中，样本由 53 人组成，其中 28 人有抑郁症病史，25 人没有。研究结果表明，受访者在使用 PHQ-9 时存在一些问题。两组受访者的结果未发现系统性差异。因此，在解释和使用 PHQ-9 总分时应非常谨慎。我们提出了量表修订建议，以提高 PHQ-9 的质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Applied Electronic Materials Multiple-

CiteScore

7.20

自引率

4.30%

发文量

567