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Table 1 Patient characteristics

From: Predictors of health-related quality of life in patients with irritable bowel syndrome. A cross-sectional study in Norway

Characteristics (no of patients)

Results

Female/male

105 (70 %)/44 (30 %)

Age (years) (n = 148)

52.0 (15,3)a

Education (< 10 years/10−13 years/> 13 years)

52 (37 %)/57(41 %)/31(22 %)

Daily smokers (n = 138)

49 (36 %)

Alcohol use (> 2 times per week) (n = 135)

23 (17 %)

Employment status (n = 140)

 

Employed

66 (47 %)

Disability benefit

27 (19 %)

Home worker

8 (6 %)

Student

7 (5 %)

Retired

29 (21 %)

Not specified

3 (2 %)

Duration of IBS (Years) (n = 133)

10 (1−55)”

IBS symptom intensity score (score 0−12)

2.0 (0−12)”

Number of organic diseases

2 (0−9)”

Whiteley Index (WI) (n = 139)

25.0 (14.0−60.0)”

Hypochondria (WI > 40)

9 (6 %)

Hopkins Symptom Check List-10 (SCL-10) (n = 141)

1.7 (1.0−3.8)”

Affective disorder (SCL-10 > 1.85)

57 (40 %)

Eysenck Personality Questionnaire (n = 142)

4.0 (0−10.0)”

Subjective Health Complaints-17 (n = 148)

12.0 (0−42)”

SF-12 Physical Component Scale

38.4 (11.9)a

SF-12 Mental Component Scale

45.0 (11.3)a

  1. The number of patients available for the analysis is given in brackets (n = x) if less than n = 149
  2. Results are given as numbers with percentages, mean with SD (a) or median with range (”)