Sensitivity of the Patient-Health Questionnaire (PHQ-9) items to change in three clinical trials in low- and middle-income countries
The PHQ-2 items are sensitive to detecting within-person change in depressive symptoms over time across all three trials and are thus appropriate for assessing changes in depressive symptoms in research and clinical practice.
Authors
- Olawale F. Ayilara (ORCID: https://orcid.org/0000-0002-1136-9474)
- A. W. White
- Mark A. Ferro (ORCID: https://orcid.org/0000-0002-0979-3233)
- Ricardo Araya (ORCID: https://orcid.org/0000-0002-0420-5148)
- Tolulope T. Sajobi (ORCID: https://orcid.org/0000-0002-5696-5552)
- Nadine Seward (ORCID: https://orcid.org/0000-0002-4821-9437)
- Jessica Schmider
- Gerard Dunleavy
Institutions
- University of Waterloo (CA)
- King's College London (GB)
- O'Brien Institute (AU)
- The Behavioural Insights Team (GB)
- University of Manitoba (CA)
- University of Edinburgh (GB)
Publication Details
- Journal
- Journal of Affective Disorders
- Published
- 2025-09-04
- DOI
- https://doi.org/10.1016/j.jad.2025.120226
- Citations
- 1
- Primary Topic
- Health Systems, Economic Evaluations, Quality of Life
- Type
- article
- Field-Weighted Citation Impact
- 3.13
Funders
- Wellcome Trust