Table 2.
Median, mean, SD, and differences between groups for the primary outcome measure at admission to the program (T1), immediately after treatment (T2), and at the 3-month follow-up (T3) for completers.
| Primary outcome measure (scale) | T1a | T2a | T3a | |||||||||||||||
|
|
Median (IQR) | Mean (SD) |
P value |
Median (IQR) | Mean (SD) |
P value |
Median (IQR) | Mean (SD) |
P value |
|||||||||
| PCSb | .20 |
|
|
.001 |
|
|
.09 | |||||||||||
|
|
Control | 26.5 (17.25-38.5) | 27.7 (12.77)c |
|
32.5 (23.75-42.0) | 31.82 (12.06)d |
|
31.0 (22.5-43.0) | 31.41 (12.61)e |
|
||||||||
|
|
Intervention | 29.0 (22.0-39.0) | 29.86 (13.27)f |
|
19.5 (14.25-28.25) | 20.86 (11.25)g |
|
27.0 (17.0-35.0) | 25.78 (14.12)h |
|
||||||||
| Helplessness | .31 |
|
|
.001 |
|
|
.07 | |||||||||||
|
|
Control | 12.5 (8.0-16.25) | 12.48 (5.8)i |
|
14.0 (10.5-19.0) | 14.22 (5.82)e |
|
14.0 (9.75-18.75) | 13.65 (5.75)j |
|
||||||||
|
|
Intervention | 14.0 (8.25-18.0) | 13.09 (6.45)c |
|
8.5 (5.25-12.0) | 8.91 (5.38)g |
|
10.0 (6.0-17.0) | 11.09 (6.48)g |
|
||||||||
| Rumination | .14 |
|
|
.004 |
|
|
.12 | |||||||||||
|
|
Control | 10.0 (6.0-12.0) | 9.19 (4.16)k |
|
7.0 (4.0-8.25) | 6.32 (2.99)d |
|
6.0 (4.0-9.0) | 6.28 (2.84)l |
|
||||||||
|
|
Intervention | 10.0 (7.5-14.0) | 10.11 (4.11)m |
|
4.0 (2.0-5.0) | 4.05 (2.4)n |
|
5.0 (3.0-7.0) | 5.24 (3.16)n |
|
||||||||
| Magnification | .20 |
|
|
.007 |
|
|
.12 | |||||||||||
|
|
Control | 6.5 (4.0-8.75) | 6.57 (3.17)c |
|
13.0 (8.75-14.25) | 11.29 (4.28)d |
|
12.0 (7.5-15.5) | 11.33 (4.56)e |
|
||||||||
|
|
Intervention | 7.0 (4.25-9.75) | 7.06 (3.22)c |
|
8.0 (6.0-12.0) | 8.29 (4.14)n |
|
10.5 (5.75-12.0) | 9.55 (5.04)g |
|
||||||||
aAt admission to the program (T1), at the end of the intervention at 6 weeks (T2), and at the 3-month follow-up (T3).
bPCS: Pain Catastrophizing Scale.
cn=54.
dn=28.
en=27.
fn=56.
gn=22.
hn=23.
in=52.
jn=26.
kn=53.
ln=25.
mn=55.
nn=21.