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Diagnostic accuracy...
Diagnostic accuracy and clinical utility of the PHQ-2 and GAD-2 : a comparison with long-format measures for depression and anxiety
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- Hlynsson, Jón Ingi (författare)
- Stockholms universitet,Psykologiska institutionen,University of Iceland, Reykjavík, Iceland
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- Carlbring, Per, 1972- (författare)
- Stockholms universitet,Klinisk psykologi
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: Frontiers in Psychology. - 1664-1078. ; 15
- Relaterad länk:
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https://doi.org/10.3...
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visa fler...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Background: Anxiety and depression are highly prevalent and often comorbid mental disorders that are encompassed within the broad category of emotional disorders. The frequent comorbidity of anxiety and depression can pose challenges for accurate diagnosis and treatment which, in turn, highlights the need for reliable measurements that are simultaneously responsive to change and prevent non-response bias. Brief measures of anxiety and depression can potentially increase response rates due to their brevity and ease of administration. This study evaluates the psychometric characteristics, discriminative accuracy, and sensitivity to change of the Generalized Anxiety Disorder 2-item scale (GAD-2) and the Patient Health Questionnaire 2-item scale (PHQ-2) within a clinical population.Method: The sample comprised treatment-seeking participants (n = 3,411), screened (n = 2,477) to receive an internet-based psychotherapeutic intervention (cognitive-behavioral, psychodynamic, or waitlist).Results: Brief measures can effectively detect individuals who may be eligible for a diagnosis of depression and anxiety, not only prior to but also during and following the completion of psychological treatment. The discriminative ability of the GAD-2 was significantly greater during active treatment and at post-assessment compared with pre-treatment screening, although no such differences were found for the PHQ-2. Finally, endorsing the most severe response option on the GAD-2 and PHQ-2 was associated with a high probability of presenting with clinically relevant anxiety and depressive symptoms.Conclusion: Brief measures of anxiety and depression are viable instruments to screen for and monitor anxiety and depressive symptoms.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Psykiatri (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Psychiatry (hsv//eng)
Nyckelord
- generalized anxiety disorder questionnaire
- patient health questionnaire
- psychometric evaluation
- internet-based psychotherapy
- receiver operating characteristic analysis
- item-option characteristic analysis
- psykologi
- Psychology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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