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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.