Table 1

Analyses of the eight repeated BDI measurements conducted during the 2-year follow-up, adjusted for baseline BDI

Usual care Psychoeducation CBT plus psychoeducation Usual care v. psychoeducation Usual care v. CBT plus psychoeducation
n Mean (s.e.) n Mean (s.e.) n Mean (s.e.) Δ Mean (s.e.) P Effect size Δ Mean (s.e.) P Effect size
BDI, Beck Depression Inventory; CBT, cognitive—behavioural therapy; Δ , difference.
All patients 63 12.13 (0.85) 104 11.40 (0.66) 41 9.39 (1.04) 0.74 (1.08) 0.49 0.20 2.75 (1.35) 0.042 0.41
Patients ≤3 episodes 36 11.48 (1.14) 70 10.62 (0.82) 23 9.81 (1.44) 0.86 (1.41) 0.25 0.25 1.66 (1.84) 0.37 0.31
Patients ≥4 episodes 27 13.03 (1.25) 34 13.08 (1.11) 18 9.01 (1.54) 0.05 (1.67) 0.98 0.04 4.02 (1.98) 0.046 0.50