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Implementation of collaborative depression management at community-based primary care clinics: an evaluation
Amy M Bauer1, Vanessa Azzone, Howard H Goldman
1Department of Psychiatry and Behavioral Sciences, University of Washington, 1959 NE Pacific St, Box 356560, Seattle, WA 98195, USA. abauer1@u.washington.edu
Clinic site significantly impacts depression care quality and patient outcomes in collaborative care models. Despite standardized training, variations in implementation led to differing results in early follow-up, pharmacotherapy, and symptom improvement.
Area of Science:
- Healthcare delivery research
- Mental health services research
- Quality improvement science
Background:
- Collaborative care models aim to improve depression management in primary care settings.
- Variability in implementation can affect the quality and effectiveness of healthcare interventions.
- Understanding site-specific factors is crucial for optimizing collaborative care for depression.
Purpose of the Study:
- To evaluate a large collaborative care demonstration project for depression in community health centers.
- To examine the influence of clinic site on quality of care indicators and patient symptom improvement.
- To identify factors contributing to variability in collaborative care implementation and outcomes.
Main Methods:
- A quasi-experimental study analyzed data from 2,821 adult patients with depression symptoms treated between 2006 and 2009.
- Six community health organizations implemented a collaborative care model featuring a web-based registry, care management, and psychiatric consultation.
- Multivariate logistic regression and Cox proportional hazards models were used to assess quality measures and symptom improvement, adjusting for patient characteristics.
Main Results:
- A significant portion of patients experienced meaningful depression improvement, often rapidly.
- Substantial differences were observed across clinic sites in the likelihood of receiving early follow-up and appropriate pharmacotherapy.
- Patient outcomes, including symptom improvement rates and time to improvement, varied significantly between sites, independent of patient characteristics.
Conclusions:
- Organizations demonstrated considerable variability in adopting system changes for clinical care, despite uniform training and resources.
- Higher performance on quality indicators was associated with better patient outcomes.
- Clinic site is a significant determinant of success in implementing and benefiting from collaborative care for depression.
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