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Table 4 GRID-HAMD-17. Data summaries at baseline, 3 and 6 months

From: Counselling versus low-intensity cognitive behavioural therapy for persistent sub-threshold and mild depression (CLICD): a pilot/feasibility randomised controlled trial

  

All

Randomised Group

Between-group difference (Li-CBT – PCC)

PCC

Li-CBT

Baseline

 

Mean (SD)

14.7 (4.8)

16.1 (4.1)

13.2 (5.1)

 

3 months

 

Mean (SD)

9.5 (6.5)

12.2 (8.0)

7.7 (4.8)

 

  Change from baseline

Estimate (95 % CI)

−4.7 (−7.4, −2.0)

−3.2 (−8.8, 2.3)

−5.7 (−8.8, −2.5)

2.4 (−3.6, 8.4)

  Hedges' g

Estimate (95 % CI)

0.94 (0.35, 1.54)

0.67 (−0.26, 1.59)

1.09 (0.23, 1.95)

0.41 (−0.61, 1.43)

 

p-value

p = 0.001

p = 0.211

p = 0.002

p = 0.398

6 months

     
 

Mean (SD)

7.7 (5.1)

8.8 (5.0)

6.7 (5.2)

 

  Change from baseline

Estimate (95 % CI)

−7.6 (−9.7, −5.5)

−8.0 (−11.3, −4.7)

−7.2 (−10.2, −4.2)

−0.8 (−5.1, 3.4)

  Hedges' g

Estimate (95 % CI)

1.40 (0.82, 1.98)

1.57 (0.70, 2.44)

1.23 (0.38, 2.09)

−0.16 (−1.00, 0.69)

 

p-value

p < 0.001

p < 0.001

p < 0.001

p = 0.684

  1. Estimated changes from baseline at each follow-up visit, on original scale and as effect sizes (Hedge’s g) with 95 % confidence intervals and p-values from paired t-tests. Estimated between-group differences at each follow-up point with 95 % confidence intervals and p-values from two-sample t-tests of changes from baseline