Table 3

Associations between change in GERD-knowledge from 2 to 12 months follow-up and change in QoL-scores (DSIQ and GHQ-30 and their subscales).


Digestive Symptoms and Impact Questionnaire – DSIQ
General Health Questionnaire v. 30 – GHQ-30


Pain & bowel s.
Gastric dysfunc.
Health impair.
Life impair.
Reflux
Sum score
Anxiety
Well-being
Depr.
Coping
Social dysfunc.
Likert sum sc

All patients
0.2 (0.18)
0.2 (0.18)
0.1 (0.59)
0.3 (0.10)
0.02 (0.84)
0.3 (0.13)
0.44 (0.25)
0.38 (0.46)
0.30 (0.50)
0.8 (0.06)
0.2 (0.60)
0.03 (0.15)

Advanced school
0.1 (0.65)
0.0 (1.0)
0.2 (0.51)
0.1 (0.66)
0.05 (0.76)
0.02 (0.57)
0.6 (0.16)
- 0.8 (0.22)
0.8 (0.22)
1.0 (0.05)
0.2 (0.49)
0.04 (0.08)

Primary school only
0.5 (0.09)
0.7 (0.01)
0.07 (0.81)
0.8 (0.01)
- 0.01 (0.95)
0.8 (0.04)
- 0.04 (0.96)
- 0.43 (0.63)
- 0.2 (0.79)
0.2 (0.81)
- 0.04 (0.95)
0.0 (0.92)

Numbers are β-values (p) in linear regression analyses adjusted for selected baseline variables (see text) with change in GERD-knowledge as dependent variable. Positive numbers indicate a reduced quality of life with increasing GERD-knowledge. β-values (p < 0.05) are in bold.

Urnes et al. BMC Health Services Research 2008 8:236   doi:10.1186/1472-6963-8-236