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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