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Table 2 Regression models predicting GSRS-IBS scores at post-treatment and follow-up

From: Prediction of symptomatic improvement after exposure-based treatment for irritable bowel syndrome

 

Coeff

    CI-

     CI+

     β

     t

     p

Partial r

Prediction of GSRS-IBS at post-treatment. R = .536. R 2= .287. p < .001

Intercept

10.66

−18.52

39.84

 

0.73

.469

 

GSRS-IBS pre-treatment

0.51

0.19

0.83

.40

3.18

.002

.36

CSQ-CAT

−0.03

−0.58

0.51

-.02

−0.10

.921

-.01

ASI

−0.01

−0.29

0.27

-.01

−0.08

.939

-.01

IBS-QOL

−0.05

−31.64

21.48

-.08

−0.38

.704

-.05

SDS

0.27

−0.23

0.75

.16

1.08

.284

.13

Prediction of GSRS-IBS at follow-up. R = .441. R 2= .195. p = .039

Intercept

12.75

−25.75

51.26

 

0.66

.511

 

GSRS-IBS pre-treatment

0.21

−0.12

0.54

.18

1.25

.215

.15

Major depressive disorder

5.31

−2.32

12.94

.17

1.39

.169

.17

MADRS-S

0.32

−0.15

0.78

.20

1.37

.177

.17

VSI

0.08

−0.22

0.38

.11

0.53

.597

.07

CSQ-CAT

−0.01

−0.59

0.58

.00

−0.02

.985

.00

IBS-QOL

0.03

−30.83

36.68

.05

0.17

.863

.02

SDS

0.04

−0.46

0.54

.03

0.17

.866

.02

  1. CI-: 95% Confidence interval, lower bound. CI + 95% Confidence Interval, upper bound. GSRS-IBS Gastrointestinal Symptom Rating Scale, IBS version, MADRS-S Montgomery Åsberg Depression Rating Scale - Self Report, VSI Visceral Sensitivity Index, ASI Anxiety Sensitivity Index, CSQ-CAT Coping Strategies Questionnaire – Catastrophizing subscale, IBS-QOL Irritable Bowel Syndrome Quality of Life Instrument, SDS Sheehan Disability Scales.