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A computerized version of the Patient Health Questionnaire-4 as an ultra-brief screening tool to detect emotional disorders in primary care

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Cano Vindel, Antonio and Muñoz-Navarro, Roger and Medrano, Leonardo Adrián and Ruiz-Rodríguez, Paloma and González-Blanch, César and Gómez-Castillo, María Dolores and Capafons, Antonio and Chacón Fuertes, Fernando and Santolaya, Francisco (2018) A computerized version of the Patient Health Questionnaire-4 as an ultra-brief screening tool to detect emotional disorders in primary care. Journal of Affective Disorders, 234 . pp. 247-255. ISSN 01650327

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Official URL: https://doi.org/10.1016/j.jad.2018.01.030



Abstract

Abstract
Background: The Patient Health Questionnaire-4 (PHQ-4) is an ultra-brief self-report consisting of a 2-item depression scale (PHQ-2) and a 2-item anxiety scale (GAD-2). The aim of the present study is to determine the psychometric properties of a computerized version of the PHQ-4 used to detect emotional disorders (anxiety and depression) in the primary care setting.

Method: A total of 1052 patients with suspected anxiety, depression, or somatic symptoms were recruited from 28 primary care centres participating in the PsicAP trial and completed the full version of the computerized PHQ. In addition, 178 of these patients also underwent in clinical interviews as a gold standard.

Results: Confirmatory factor analyses showed very good fit indices for a two-factor solution. This model was structurally invariant among the various age and gender groups and internal consistency was acceptable (PHQ-4; α = .83, PHQ-2; α = .86, and GAD-2; α = .76). The best cut-off points to obtain high sensitivity values was 3, on both the PHQ-2 (major depressive disorder) and the GAD-2 (generalized anxiety disorder). The criterion validity (sensitivity and specificity) for the PHQ-2 were .90 and .61 and for the GAD-2, .88 and 0.61.

Limitations: The study was not designed as a prevalence study. Therefore, does not contain information on patients whose general practitioners do not consider them to suffer emotional disorders.

Conclusion: This is the first study to provide evidence for the reliability and validity of a computerized version of the PHQ-4. This computerized tool can be used to detect depression and anxiety in a primary care setting.

Keywords: Emotional disorders; Factor structure analyses; General Anxiety Disorder-2; General anxiety disorder; Major depression; Patient Health Questionnaire-2; Patient Health Questionnaire-4; Primary care; Psychometric properties.


Item Type:Article
Uncontrolled Keywords:Emotional disorders; Factor structure analyses; General Anxiety Disorder-2; General anxiety disorder; Major depression; Patient Health Questionnaire-2; Patient Health Questionnaire-4; Primary care; Psychometric properties.
Subjects:Medical sciences > Medicine > Primary health care and Family medicine
Medical sciences > Medicine > Psychiatry
Medical sciences > Psychology > Clinical psychology and psychodiagnostics
Medical sciences > Psychology > Psychometrics
Medical sciences > Psychology > Emotions and Aggresiveness
Medical sciences > Psychology > Stress and relaxation
Medical sciences > Psychology > Psychosomatic medicine
ID Code:63903
Deposited On:12 Feb 2021 11:30
Last Modified:12 Feb 2021 11:30

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