| |
Intervention Group
|
Control Group
|
Mean difference
|
95% CI
|
P Value*
|
|---|
| |
n
|
Mean (SD)
|
n
|
Mean (SD)
| | | |
|---|
|
SF-36 scores
|
|---|
|
Physical functioning
|
37
|
-1.49 (21.5)
|
38
|
0.92 (19.4)
|
-2.41
|
-11.8, 7.0
|
0.613
|
|
Role physical
|
38
|
6.58 (24.4)
|
38
|
5.49 (34.6)
|
1.09
|
-12.6, 14.8
|
0.874
|
|
Bodily pain
|
39
|
10.9 (21.1)†
|
38
|
9.63 (22.4)†
|
1.27
|
-8.6, 11.2
|
0.800
|
|
General health
|
36
|
4.94 (10.4)†
|
36
|
2.64 (13.9)
|
2;31
|
-3.5, 8.1
|
0.428
|
|
Vitality
|
36
|
7.78 (16.2)†
|
37
|
6.76 (20.2)
|
1.02
|
-7.5, 9.6
|
0.813
|
|
Social functioning
|
35
|
6.43 (21.9)
|
36
|
11.11 (23.9)†
|
-4.68
|
-15.5, 6.2
|
0.393
|
|
Role emotional
|
38
|
7.89 (39.8)
|
38
|
14.04 (35.2)
|
-6.14
|
-23.3, 11.0
|
0.479
|
|
Mental health
|
39
|
8.37 (16.0)†
|
37
|
4.32 (16.5)
|
4.05
|
-3.4, 11.5
|
0.281
|
|
Physical component summary
|
34
|
5.04 (10.1)†
|
36
|
4.64 (16.2)
|
0.41
|
-6.1, 6.9
|
0.900
|
|
Mental component summary
|
31
|
8.55 (17.2)†
|
34
|
9.52 (19.4)†
|
-0.97
|
-10.1, 8.1
|
0.832
|
|
WLQ scores
|
|
Time management
|
36
|
0.56 (13.5)
|
35
|
-0.11 (14.3)
|
0.66
|
-5.9, 7.2
|
0.841
|
|
Physical demands
|
37
|
4.62 (32.5)
|
38
|
3.35 (38.3)
|
1.27
|
-15.1, 17.6
|
0.877
|
|
Mental-interpersonal demands
|
37
|
-2.10 (6.3)
|
37
|
-1.70 (11.6)
|
-0.41
|
-4.8, 3.9
|
0.853
|
|
Output demands
|
38
|
-0.92 (9.4)
|
37
|
-5.95 (12.8)†
|
5.02
|
-0.2,10.2
|
0.057
|
|
WLQ index (percent)
|
34
|
-0.18 (2.4)
|
34
|
-0.72 (3.2)
|
0.54
|
-0.8,1.8
|
0.435
|
- * Student's t test. † P ≤ 0.01 by paired Student's t comparing baseline and week 26 scores within the group.
- Abbreviations: SF-36 = Medical Outcomes Study 36 - Item short-form health survey; WLQ = Work Limitation Questionnaire.
