|
Subscale/Dimension
|
users
|
non-users
| |
|---|
| |
n
|
Median
|
n
|
Median
|
U
|
Z
|
p
|
r
|
|---|
|
Time course
|
286
|
21.00
|
208
|
21.00
|
29,322.50
|
-0.271
|
0.787
|
0.01
|
|
Consequences
|
283
|
19.00
|
208
|
18.00
|
21,691.00
|
-5.000
|
< 0.001
|
0.23
|
|
Personal control
|
290
|
11.00
|
214
|
11.50
|
30,665.00
|
-0.227
|
0.821
|
0.01
|
|
Cure control
|
285
|
10.00
|
212
|
10.00
|
28,676.50
|
-0.973
|
0.331
|
0.04
|
|
Coherence
|
291
|
13.00
|
203
|
12.00
|
28,279.00
|
-0.808
|
0.419
|
0.04
|
|
Cyclic occurrence
|
287
|
14.00
|
213
|
14.00
|
28,995.50
|
-0.993
|
0.321
|
0.04
|
|
Emotional representation
|
285
|
19.00
|
213
|
19.00
|
27,433.50
|
-1.842
|
0.065
|
0.08
|
- 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]
