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Table 3 Change in outcomes for Intervention group ( n= 11) from pretreatment to six-month follow-up

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

10.09 (3.73)

  

Posttreatment

7.64 (2.77)

.001

.75

 

1-month f-up

5.91 (3.27)

.000

1.19

 

6-month f-up

3.82 (2.12)

.000

2.07

DASS-A

Pretreatment

9.64 (2.01)

  

Posttreatment

6.73 (2.90)

.000

1.17

 

1-month f-up

5.82 (3.16)

.000

1.44

 

6-month f-up

3.82 (3.03)

.000

2.26

DASS-S

Pretreatment

10.64 (3.26)

  

Posttreatment

8.82 (1.83)

.031

.69

 

1-month f-up

6.91 (2.51)

.000

1.28

 

6-month f-up

5.45 (2.98)

.001

1.66

PDQ-39

Pretreatment

36.03 (12.62)

  

Posttreatment

32.82 (12.95)

.096

.25

 

1-month f-up

30.54 (11.99)

.024

.45

 

6-month f-up

32.05 (16.26)

.259

.27

CCL-D

Pretreatment

31.22 (15.50)

  

Posttreatment

18.02 (15.94)

.016

.84

 

1-month f-up

16.78 (11.80)

.000

1.05

 

6-month f-up

18.83 (10.45)

.002

.94

CCL-A

Pretreatment

32.01 (10.51)

  

Posttreatment

23.67 (11.27)

.003

.77

 

1-month f-up

20.08 (14.68)

.000

.94

 

6-month f-up

16.31 (11.08)

.000

1.45

  1. **Cohen’s d as computed by M Time 1 - M TimeX S D pooled .