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Table 5 Sensitivity analyses I: change in DASS between Time 1 and Time 2 for wave I participants only (Randomised proportion of trial; n= 14)

From: A waitlist-controlled trial of group cognitive behavioural therapy for depression and anxiety in Parkinson’s disease

   Intervention (n = 7) Waitlist (n = 7)   
Outcome Time Mean (SD) Mean (SD) p-value* d**
DASS-D 1 11.00 (3.69) 11.00 (5.17) .030 .94
2 6.28 (2.56) 10.71 (6.13)
DASS-A 1 9.00 (2.31) 8.14 (4.84) .007 .89
2 5.38 (2.56) 7.86 (4.63)
DASS-S 1 10.57 (3.95) 8.71 (2.29) .169 .47
  2 8.43 (4.50) 8.14 (4.14)   
  1. DASS-D = DASS-Depression, DASS-A = DASS-Anxiety, DASS-S = DASS-Stress, PDQ-39 = Parkinson’s Disease Questionnaire-39, CCL-D = Cognitions Checklist-Depressive Cognitions, CCL-A = Cognitions Checklist-Anxious Cognitions.
  2. *p-value for Time x Condition interaction effect.
  3. **Cohen’s d as computed by M - M S D pooled .