|
Age (years), mean (SD)
|
52 (15.1)
|
|
Female gender
|
69%
|
|
Gastro-esophageal reflux (Rome II definition)
|
43%
|
|
Dyspepsia (Rome II definition)
|
9%
|
|
Duration IBS complaints (> 1 year)
|
85%
|
|
Duration IBS in years, mean (SD)
|
17 (15)
|
|
IBS-severity (mild/moderate/severe)
|
36%/52%/12%
|
|
Education > 10 years
|
63%
|
|
Mood disorder (SCL 10 > 1.85)
|
37%
|
|
Number of organic diseases, mean (SD)
|
2.0 (1.8)
|
|
Smokers
|
35%
|
|
Alcohol use (> 2 occasions/week)
|
18%
|
|
SHC-17, mean (SD)
|
13.2 (8.2)
|
|
EPQ, mean (SD)
|
4.0 (2.9)
|
|
Whitley, mean (SD)
|
25.9 (8.2
|
|
SCL-10, mean (SD)
|
1.8 (0.6)
|
