Effect of modernized collaborative care for depression on individual depressive symptoms: A secondary analysis of the eIMPACT trial.
Psychol MedSep 21, 2026 (epub)
Christopher A Crawford, Michelle K Williams, Aubrey L Shell et al.
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In 30 seconds
This secondary analysis of the eIMPACT trial evaluated the effects of modernized collaborative care on individual depressive symptoms in 216 primary care patients. The study found that the intervention significantly improved 15 of 20 symptoms on the SCL-20 and 7 of 9 symptoms on the PHQ-9, with moderate-to-large improvements in 17 symptoms, including hopelessness and depressed mood.
Key findings
- The intervention improved 15 of 20 SCL-20 items and 7 of 9 PHQ-9 items.
- Seventeen symptoms showed moderate-to-large improvements with β s ranging from -0.50 to -0.70.
- Six additional symptoms had smaller but significant gains with β s from -0.35 to -0.49.
- No significant advantage was found for suicidality, loneliness, or appetite change.
Why it matters
Understanding the specific symptoms that improve with modernized collaborative care can guide clinicians in tailoring treatments for depression. This approach may enhance recovery by addressing persistent symptoms that are often overlooked in total score assessments.