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Table 2 Depression treatment and outcomes comparing EBQI-CCM site patients with non EBQI-CCM site patients at baseline and seven months

From: Implementing collaborative care for depression treatment in primary care: A cluster randomized evaluation of a quality improvement practice redesign

  Baseline   Seven months  
  EBQI-CCM Non EBQI-CCM Difference EBQI-CCM Non EBQI-CCM Difference
Clinical care (administrative data) (N = 268) (N = 238)   (N = 268) (N = 238)  
Adequate dosage of antidepressant prescribed within 7 months post baseline (%) 49.6 41.5 8.1* 65.7 43.4 22.3**
Medication possession ratio > 0 (%) 52 43 9 67 45 22*
Completion of appropriate care (MPR > 0.8 or completion of 4+ therapy visits) (%) 38.0 34.9 3.1 47.1 41.9 5.2
Symptoms and functioning (survey data) (N = 288) (N = 258)   (N = 288) (N = 258)  
Depression symptom severity (mean PHQ-9 score)(SD) 15.5 (4.4) 15.7 (4.7) -0.2 11.5 (6.5) 11.6 (6.7) -0.1
Patients below threshold for major depression (% PHQ-9 < 10) 0 0 0 39.9 41.4 -1.5
Physical functional status (mean SF-12 role physical score)††(SD) 29.2 (36.2) 34.8 (40.7) -5.6* 32.6 (39.4) 34.1 (35.6) -1.5
Emotional functional status (mean SF-12 role emotional score)††(SD) 47.1 (41.4) 50.0 (41.8) -2.9 49.9 (49.3) 50.0 (41.5) -0.1
Satisfaction with Mental Health Care (% somewhat or very satisfied)†† 67.2 62.4 4.8 69.1 71.2 -2.1
  1. Means, SDs and percentages are unadjusted. Analyses were weighted for enrollment bias and attrition.
  2. * = p < 0.05
  3. ** = p < 0.01
  4. Lower score is better
  5. †† Higher score is better.