The factor structure of the PHQ-9 in palliative care

被引：80

作者：

Chilcot, Joseph ^{[1
]}

Rayner, Lauren ^{[2
]}

Lee, William ^{[2
]}

Price, Annabel ^{[2
]}

Goodwin, Laura ^{[2
]}

Monroe, Barbara ^{[3
]}

Sykes, Nigel ^{[3
]}

Hansford, Penny ^{[3
]}

Hotopf, Matthew ^{[2
]}

机构：

[1] Kings Coll London, Inst Psychiat, Hlth Psychol Sect, Dept Psychol, London SE1 9RT, England

[2] Kings Coll London, Inst Psychiat, Dept Psychol Med, London SE1 9RT, England

[3] St Christophers Hosp, London, ON, Canada

来源：

JOURNAL OF PSYCHOSOMATIC RESEARCH | 2013年 / 75卷 / 01期

关键词：

PHQ-9; Patient Health Questionnaire; Confirmatory factor analysis; CFA; Symptoms; Depression; PATIENT HEALTH QUESTIONNAIRE-9; CONFIRMATORY FACTOR-ANALYSIS; DIAGNOSING MENTAL-DISORDERS; DEPRESSIVE SYMPTOMS; SOMATIC SYMPTOMS; INPATIENT REHABILITATION; SCREENING TOOL; PRIME-MD; POPULATION; PREVALENCE;

D O I：

10.1016/j.jpsychores.2012.12.012

中图分类号：

R749 [精神病学];

学科分类号：

100205 ;

摘要：

Objectives: The Primary Care Evaluation of Mental Disorders Patient Health Questionnaire (PRIME:MD PHQ-9) is a common screening tool designed to facilitate detection of depression according to DSM-IV criteria. However, the factor structure of the PHQ-9 within the palliative care population has not been evaluated. Methods: 300 participants completed the PHQ-9 within one week of referral to a palliative care service. Participants completed the PHQ-9 again four weeks later (n=213). Confirmatory factor analysis (CFA) and multiple-group CFA were undertaken to test the factor structure of the PHQ-9 and evaluate model invariance over time. Results: A two-factor model comprising somatic and cognitive-affective latent factors provided the best fit to the data. Multiple-group CFA suggested model invariance over time. Structural equation modelling revealed that follow-up (time 2) cognitive-affective and somatic symptoms were predicted by their baseline (time 1) factors. Conclusions: The PHQ-9 measures two stable depression factors (cognitive-affective and somatic) within the palliative care population. Studies are now required to examine the trajectories of these symptoms over time in relation to clinical intervention and events. (C) 2013 Elsevier Inc. All rights reserved.

引用

页码：60 / 64

页数：5

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