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Component Responsibilities Routines Tools Primary care clinician in a prepared practice Recognition Management Diagnostic assessment Follow-up visits* PHQ-913 Patient education materials Communication forms Care manager Promote adherence Monitor response Periodic telephone calls† PHQ-9 Patient education materials Communication forms Collaborating psychiatrist Support care manager and primary care clinician Weekly supervisory calls Informal advice PHQ-9 Communication forms * Typical intervals for follow-up office visits were 2, 6, and 12 weeks.
† Care managers called at 1, 4, 8 weeks, and as needed.
Characteristic Value Age, years Mean 47 Range 18–88 No. (%) Female 43 (72) Initial diagnosis MDD 15 (25) CD 11 (18) Both MDD and CD 22 (37) Other 12 (20) Does condition limit your function? Extremely 6 (10) Very much 21 (35) Somewhat 31 (52) Not at all 2 (3) Initial management Medication only 33 (55) Psychological counseling only 4 (7) Both 23 (38) Note: MDD = major depressive disorder, CD = chronic depression. Other includes those with fewer or less severe depressive symptoms.
Baseline PHQ-9 Score No. Mean Score at 8 Weeks ≥5 Point Drop at 4 Weeks No. (%) Score <5 at 8 Weeks No. (%) Decrease of ≥50% from Baseline No. (%) Severe major depression, ≥20 16 6.8 14 (88) 10 (63) 13 (82) Moderately severe major depression, 5–19 16 6.8 14 (88) 10 (63) 10 (63) Moderate depression symptoms, 10–14 18 5.3 14 (78) 12 (67) 13 (72) Mild or minimal depression symptoms, <10 10 2.6 5 (50) 9 (90) 9 (100) Characteristics Percent Attempts needed to make first contact 1 54 2 18 3 7 ≥4 12 Patients’ preferred time 7–10 am 41 11–2 pm 21 5–9 pm 39 Number of completed calls required 3 54 4 31 5 13 ≥6 2 Barriers to Care No. (%) Subsequently Resolved No. (%) Ambivalence about medication 7 (23) 6 (86) Medication side effects 15 (50) 13 (87) Ambivalence about psychological counseling 2 (7) 1 (50) Scheduling counseling 2 (6) 2 (100) Psychological stressors 2 (10) 3 (67) Insurance issues 3 (10) 3 (100) Perceived treatment ineffective 3 (10) 3 (100) * Of the 30 patients who reported barriers, 4 reported more than 1 barrier.