An evaluation of the psychometric properties of the adapted PHQ-9 and GAD-7 outcome measures for use with adults with intellectual disability.

IF 2 4区心理学 Q3 PSYCHOLOGY, CLINICAL

Behavioural and Cognitive Psychotherapy Pub Date : 2025-05-26 DOI:10.1017/S1352465825000104

Hannah Jenkins, Kate Theodore, Myra Cooper, Jennifer Breen, Olivia Hewitt

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Abstract

Background: People with intellectual disability often face barriers accessing mainstream psychological services due to a lack of reasonable adjustments, including the absence of adapted versions of routine outcome measures. Adapted versions of the Patient Health Questionnaire-9 (PHQ-9) and the Generalised Anxiety Disorder-7 (GAD-7) have been created for adults with ID.

Aims: This study aims to evaluate the psychometric properties of the adapted PHQ-9 and GAD-7.

Method: The adapted PHQ-9 and GAD-7 and the Glasgow Depression and Anxiety Scales (GDS-ID, GAS-ID) were administered to 47 adults (n=21 clinical group; n=26 community group) with ID. Cross-sectional design and between-group analyses tested for discriminant validity. Concurrent and divergent validity was tested using correlational designs. Reliability was investigated by internal consistency and test-retest analysis.

Results: The clinical group scored significantly higher on the adapted PHQ-9 (t₄₅=-2.28, p=.03, 95% CI [-7.09, -.45]) and GAD-7 (t₄₅=-3.52, p=.001, 95% CI [-7.44, -2.02]) than the community group, evidencing discriminant validity. The adapted PHQ-9 correlated with the GDS-ID (r₄₇=.86, p<.001) and the adapted GAD-7 correlated with the GAS-ID (r₄₆=.77, p<.001). The adapted PHQ-9 (Cronbach's α=.84, ICC=.91) and GAD-7 (Cronbach's α=.86, ICC=.77) had good internal consistency and test-retest reliability.

Conclusions: Preliminary research suggests the adapted PHQ-9 and GAD-7 are valid and reliable measures. They could provide a reasonable adjustment for the minimum dataset used in NHS Talking Therapies and can be easily administered in routine clinical practice. Further work to establish additional psychometric properties is now required.

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对成人智障患者使用的适应性PHQ-9和GAD-7结果测量的心理测量特性的评估。

背景：由于缺乏合理的调整，包括缺乏适应版本的常规结果测量，智力残疾者往往面临获得主流心理服务的障碍。患者健康问卷-9 （PHQ-9）和广泛性焦虑障碍-7 （GAD-7）的改编版本已经为患有ID的成年人创建。目的：本研究旨在评价PHQ-9和GAD-7的心理测量特性。方法：对47例成人进行PHQ-9、GAD-7及格拉斯哥抑郁焦虑量表（GDS-ID、GAS-ID）的修改，其中临床组21例；n=26个社区组)与ID。横截面设计和组间分析检验了区别效度。并发效度和发散效度采用相关设计进行检验。信度通过内部一致性和重测分析进行研究。结果：临床组患者适应PHQ-9得分显著高于对照组(t45=-2.28, p=。03年,95% CI[-7.09, .45])和GAD-7 (t45 = -3.52, p =。0.001, 95% CI[-7.44, -2.02])高于社区组，具有判别效度。适应性PHQ-9与GDS-ID相关(r47=。86年,pr46 =。结论：初步研究表明，改进后的PHQ-9和GAD-7是有效和可靠的测量方法。它们可以为NHS谈话疗法中使用的最小数据集提供合理的调整，并且可以很容易地在常规临床实践中实施。现在需要进一步的工作来建立额外的心理测量特性。

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

Behavioural and Cognitive Psychotherapy PSYCHOLOGY, CLINICAL-

CiteScore

3.50

自引率

5.60%

发文量

期刊介绍： An international multidisciplinary journal aimed primarily at members of the helping and teaching professions. Behavioural and Cognitive Psychotherapy features original research papers, covering both experimental and clinical work, that contribute to the theory, practice and evolution of cognitive and behaviour therapy. The journal aims to reflect and influence the continuing changes in the concepts, methodology, and techniques of behavioural and cognitive psychotherapy. A particular feature of the journal is its broad ranging scope - both in terms of topics and types of study covered. Behavioural and Cognitive Psychotherapy encompasses most areas of human behaviour and experience, and represents many different research methods, from randomized controlled trials to detailed case studies.