Subscale/Dimension
|
medication users
|
medication non-users
| |
---|
|
n
|
Median
|
n
|
Median
|
U
|
Z
|
p
|
r
|
---|
Time course
|
420
|
21.00
|
68
|
21.00
|
13,437.50
|
-0.786
|
0.432
|
0.04
|
Consequences
|
415
|
19.00
|
71
|
17.00
|
10,595.00
|
-3.797
|
< 0.001
|
0.17
|
Personal control
|
425
|
11.00
|
73
|
12.00
|
14,376.00
|
-1.004
|
0.315
|
0.04
|
Cure control
|
420
|
10.00
|
71
|
11.00
|
12,692.50
|
-2.014
|
0.044
|
0.09
|
Coherence
|
420
|
12.00
|
68
|
13.00
|
13,526.00
|
-0.701
|
0.483
|
0.03
|
Cyclic occurrence
|
422
|
14.00
|
72
|
15.00
|
14,432.00
|
-0.686
|
0.493
|
0.03
|
Emotional representation
|
423
|
19.00
|
69
|
17.00
|
11,557.00
|
-2.781
|
0.005
|
0.13
|
- In the illness perception questionnaire revised, the term “irritable bowel syndrome” was used instead of “illness” in the original questionnaire. r ≥ 0.1 and < 0.3 ⇒ small effect size, r ≥ 0.3 and < 0.5 ⇒ moderate effect size, r ≥ 0.5 ⇒ large effect size [32, 33]