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Table 7 Sensitivity analysis III: change in DASS for waitlist group from pretreatment to six-month follow-up ( n= 7)

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

Outcome Time Mean (SD) p-value d**
DASS-D Pretreatment 11.00 (5.19)   
Posttreatment 9.71 (6.13) .012 .23
  1-month f-up 5.29 (4.53) .001 1.17
  6-month f-up 2.71 (2.14) .004 2.09
DASS-A Pretreatment 8.14 (4.85)   
Posttreatment 7.86 (4.63) .014 .06
  1-month f-up 6.29 (4.82) .001 .38
  6-month f-up 4.29 (3.99) .006 .87
DASS-S Pretreatment 8.42 (4.5)   
Posttreatment 8.14 (4.14) .029 .06
  1-month f-up 5.43 (4.46) .001 .67
  6-month f-up 3.14 (3.02) .004 1.38
  1. **Cohen’s d as computed by M Time 1 - M TimeX S D pooled .