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The performance of long vs. short questionnaire-based measures of depression, anxiety, and psychological distress among UK adults: A comparison of the patient health questionnaires, generalized anxiety disorder scales, malaise inventory, and Kessler scales.
Publication Type: Academic Journal
Source(s): Journal of affective disorders [J Affect Disord] 2023 Oct 01; Vol. 338, pp. 433-439. Date of Electronic Publication: 2023 Jun 19.
Abstract: It is often important to minimise the time participants in social science studies spend on completing questionnaire-based measures, reducing response burden, and increasing data quality. Here, we investigated the performance of the short versions of so...
Enabling QALY estimation in mental health trials and care settings: mapping from the PHQ-9 and GAD-7 to the ReQoL-UI or EQ-5D-5L using mixture models.
Publication Type: Academic Journal
Source(s): Quality of life research : an international journal of quality of life aspects of treatment, care and rehabilitation [Qual Life Res] 2023 Oct; Vol. 32 (10), pp. 2763-2778. Date of Electronic Publication: 2023 Jun 14.
Abstract: Purpose: Patient-reported outcome measures (PROMs) are commonly collected in trials and some care settings, but preference-based PROMs required for economic evaluation are often missing. For these situations, mapping models are needed to predict prefer...
'Optimal' cutoff selection in studies of depression screening tool accuracy using the PHQ-9, EPDS, or HADS-D: A meta-research study.
Publication Type: Academic Journal
Source(s): International journal of methods in psychiatric research [Int J Methods Psychiatr Res] 2023 Sep; Vol. 32 (3), pp. e1956. Date of Electronic Publication: 2022 Dec 03.
Abstract: Objectives: Optimal cutoff thresholds are selected to separate 'positive' from 'negative' screening results. We evaluated how depression screening tool studies select optimal cutoffs.Methods: We included studies from previously conducted meta-analyses ...
Psychometric properties of the Patient Health Questionnaire-4 (PHQ-4) in 9230 adults across seven European countries: Findings from the ESTSS ADJUST study.
Publication Type: Academic Journal
Source(s): Journal of affective disorders [J Affect Disord] 2023 Aug 15; Vol. 335, pp. 18-23. Date of Electronic Publication: 2023 May 08.
Abstract: Background: The four-item Patient Health Questionnaire-4 (PHQ-4) is a widely used screening measure for depression and anxiety.Objectives: This study aimed to test factor structure and measurement invariance in an adult sample of the general population...
Informing Use of the Patient Health Questionnaire-2 to Detect Moderate or Greater Depression Symptoms in Adolescents and Young Adults in Outpatient Primary Care.
Publication Type: Academic Journal
Source(s): The Journal of adolescent health : official publication of the Society for Adolescent Medicine [J Adolesc Health] 2023 Aug; Vol. 73 (2), pp. 331-337. Date of Electronic Publication: 2023 Apr 29.
Abstract: Objective: We compared the Patient Health Questionnaire (PHQ)-2 to the PHQ-9 and examined the implications of using various cutoff scores on the PHQ-2 to detect moderate or greater depressive symptoms on the PHQ-9. We hypothesized that a cutoff score o...
Validation of the Patient Health Questionnaire-9 and the Generalized Anxiety Disorder-7 in Lithuanian individuals with anxiety and mood disorders.
Publication Type: Academic Journal
Source(s): Journal of psychiatric research [J Psychiatr Res] 2023 Aug; Vol. 164, pp. 221-228. Date of Electronic Publication: 2023 Jun 22.
Abstract: The Patient Health Questionnaire-9 (PHQ-9) and Generalized Anxiety Disorder-7 (GAD-7) are short self-report questionnaires used to screen and assess depression and anxiety severity in medical and community samples. However, little is known about their ...
Psychometric properties and measurement invariance of the 7-item General Anxiety Disorder scale (GAD-7) in an Italian coronary heart disease population.
Publication Type: Academic Journal
Source(s): Journal of affective disorders [J Affect Disord] 2023 Aug 01; Vol. 334, pp. 213-219. Date of Electronic Publication: 2023 May 05.
Abstract: Background: Generalized Anxiety Disorder is predominant in coronary heart disease (CHD) patients. 7-item Generalized Anxiety Disorder (GAD-7) scale psychometric properties have never been tested in CHD populations. This study aims to verify the GAD-7 p...
Testing for intersectional measurement invariance with the alignment method: Evaluation of the 8-item patient health questionnaire.
Publication Type: Academic Journal
Source(s): Health services research [Health Serv Res] 2023 Aug; Vol. 58 Suppl 2, pp. 248-261. Date of Electronic Publication: 2023 Jun 08.
Abstract: Objective: To demonstrate the use of the alignment method to evaluate whether surveys function similarly (i.e., have evidence of measurement invariance) across culturally diverse intersectional groups. Intersectionality theory recognizes the interconne...
Comparing the construct validity of the Patient Health Questionnaire (PHQ-9) and the Major Depression Inventory (MDI) using Rasch analysis.
Publication Type: Academic Journal
Source(s): Journal of affective disorders [J Affect Disord] 2023 Jul 15; Vol. 333, pp. 44-50. Date of Electronic Publication: 2023 Apr 19.
Abstract: Objective: The Patient Health Questionnaire (PHQ-9) and the Major Depression Inventory (MDI) are psychometric instruments frequently used for depression diagnosis and monitoring in primary care settings. The goal of this study was to assess and compare...
Screening for depression as part of annual diabetic review using PHQ-9 scores: a pilot study.
Publication Type: Academic Journal
Source(s): Primary health care research & development [Prim Health Care Res Dev] 2023 Jun 20; Vol. 24, pp. e43. Date of Electronic Publication: 2023 Jun 20.
Abstract: Diabetes mellitus is associated with an increased risk of depression. Appropriate screening and treatment of depression may therefore support diabetes management in primary care. Study aim was to review the efficacy of using a Patient Health Questionna...