Table 1.
Demographic and baseline clinical data
| Total n = 18 | Intervention n = 11 | Waitlist n = 7 | p -value* | |
|---|---|---|---|---|
| Gender, n (%) |
|
|
|
|
| Male |
12 (67%) |
9 (82%) |
3 (43%) |
|
| Female |
6 (33%) |
2 (18%) |
4 (57%) |
|
| Age, M (SD) |
66 (8.26) |
68 (7.72) |
62 (8.34) |
.17 |
| PD duration (M years, SD) |
5.12 (4.61) |
5.70 (5.50) |
4.29 (3.15) |
.55 |
| Age of PD onset, M (SD) |
61.82 (7.47) |
64.10 (7.82) |
58.57 (6.00) |
.13 |
| Mean H&Y stage |
II |
II |
II |
|
| Taking antidepressants, n (%) |
11 (61%) |
6 (55%) |
5 (74%) |
|
| DSM-IV-TR diagnosis, n (%) |
|
|
|
|
| Generalised anxiety |
12 (66%) |
8 (73%) |
4 (57%) |
|
| Panic attacks and/or disorder |
7 (39%) |
4 (35%) |
3 (43%) |
|
| Major depressive disorder |
6 (33%) |
2 (18%) |
4 (57%) |
|
| Dysthymia |
6 (33%) |
3 (27%) |
3 (43%) |
|
| Social anxiety |
4 (22%) |
1 (9%) |
3 (43%) |
|
| Posttraumatic stress disorder |
1 (5%) |
0 |
1 (14%) |
|
| Primary outcomes, M (SD) |
|
|
|
|
| DASS-D |
10.44 (4.23) |
10.09 (3.73) |
10.71 (5.41) |
.99 |
| DASS-A |
9.06 (3.35) |
9.64 (2.01) |
8.57 (4.61) |
.72 |
| DASS-S |
9.78 (3.83) |
10.64 (3.26) |
10.00 (4.28) |
.56 |
| Secondary outcomes, M (SD) |
|
|
|
|
| PDQ-39 |
34.97 (13.07) |
36.03 (12.62) |
28.48 (16.15) |
.27 |
| CCL-D |
30.29 (13.30) |
31.22 (15.50) |
24.49 (14.12) |
.32 |
| CCL-A | 32.41 (12.19) | 32.01 (10.51) | 29.46 (14.00) | .62 |
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.
*p-value for Independent t-test on baseline differences between Intervention and Waitlist groups.