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Table 3 Intention-to-treat analysis. Mean scores (SD) by allocated intervention and observation time

From: Task shifting interpersonal counseling for depression: a pragmatic randomized controlled trial in primary care

Outcome

Baseline

IPC (n = 43)

E-TAU (n = 43)

2-month

IPC (n = 39)

E-TAU (n = 40)

PPP

∆ Time by group (beta)

p

CI (95%)a

∆ Time (beta)

p

CI (95%)a

Effect size

HDRS-17

 IPC

18.30 (5.83)

13.31 (7.08)

.46

2.23

.08

−.78 to 5.24

−1.23

.05

−2.71 to −.25

0.08

 E-TAU

15.93 (5.56)

13.03 (6.56)

        

 PHQ-9

IPC

17.58 (5.16)

11.36 (6.98)

.45

.99

.09

−.31 to .02

−2.56

<.001

−3.29 to −1.84

0.10

 E-TAU

16.02 (4.89)

11.83 (5.67)

        

 SRQ-20

          

 IPC

13.79 (3.52)

9.67 (5.46)

.46

.74

.09

−0.34 to 1.84

−1.70

<.001

−2.25 to −1.14

 

 E-TAU

13.30 (3.41)

10.65 (4.40)

        

CGI

 IPC

4.86 (0.83)

3.21 (1.22)

.46

.12

.21

−.19 to .42

−.76

<.001

−.92 to −.61

 

 E-TAU

4.53 (0.67)

3.12 (1.21)

        
  1. aStudent’s t-test
  2. HDRS-17 – 17-item Hamilton Depression Rating Scale, PHQ-9 – Patient Health Questionnaire, SRQ-20 – Self-Reporting Questionnaire,
  3. CGI – Clinical Global Impression instrument, IPC – Interpersonal Counseling group, E-TAU – Enhanced Treatment as Usual group
  4. ∆ Time by group = change overtime in between groups (IPC vs. E-TAU)
  5. ∆ Time = change overtime within group
  6. PPP = posterior predictive p-value
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BMC Psychiatry

ISSN: 1471-244X

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