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Table 5 Illness perception: users vs. non-users of treatment approaches with weak or lack of evidence

From: Illness perception and health care use in individuals with irritable bowel syndrome: results from an online survey

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

  1. 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]