PHQ-4: Validated Screening Tool for Anxiety and Depression 2025

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The document presents the PHQ-4, a brief screening tool designed to assess anxiety and depression symptoms over the past two weeks. It includes four questions related to feelings of nervousness, worry, lack of interest, and feelings of hopelessness, with a scoring system for evaluation.

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What is the PHQ-4 used for?

Its purpose is to allow for ultra brief and accurate measurement of core symptoms/signs of depression and anxiety by combining the two-item measure (PHQ2), consisting of core criteria for depression, as well as a two-item measure for anxiety (GAD2), both of which have independently been shown to be good brief

What questionnaire is validated for anxiety?

Although designed as a screening tool for generalized anxiety, the GAD-7 is also performs reasonably well as a screening tool for three other common anxiety disordersPanic Disorder, Social Anxiety Disorder, and Posttraumatic Stress Disorder.

Is the PHQ-4 reliable and valid?

The PHQ-4 is a reliable and valid instrument for screening depressive and anxiety symptoms, both for the clinical and nonclinical populations. Due to the brevity of its administration, the PHQ-4 could be a clinical tool that contributes to optimizing health resources.

What is the difference between PHQ-4 and PHQ-2?

PHQ-4 combines two screening questions for depression (PHQ-2) and two screening questions for anxiety (the two-item Generalized Anxiety Disorder Scale, GAD-2; Kroenke et al., 2009). PHQ-2 was derived from PHQ-9, asking about depressed mood and loss of interest, two core symptoms of depression (Kroenke et al., 2003).

What is the difference between PHQ-9 and PHQ-2?

The PHQ-2 includes the first two items of the PHQ-9. The purpose of the PHQ-2 is to screen for depression in a first-step approach. Patients who screen positive should be further evaluated with the PHQ-9 to determine whether they meet criteria for a depressive disorder.

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What is a 4 on the depression scale?

Score Depression Severity Action 0 - 4 None-minimal Patient may not need depression treatment. 5 - 9 Mild Use clinical judgment about treatment, based on patients duration of symptoms and functional impairment.

What does a PHQ score of 2 mean?

The PHQ 2 scoring options for how often theyve experienced the indicated symptoms are: Not at all (=0) Several days (=1) More than half the days (=2) Nearly every day (=3)

PHQ-4: Validated Screening Tool for Anxiety and Depression 2025

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What is the PHQ-4 used for?

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What is the difference between PHQ-4 and PHQ-2?

What is the difference between PHQ-9 and PHQ-2?

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What is a 4 on the depression scale?

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