Validity and reliability of the Japanese versions of cognitive and behavioral scales for irritable bowel syndrome

Table 6 Correlations between the IBS-BRQ-J (26-item and 18-item version) and other variables

26 items		IBS-SI	Disruption to daily life (IBS-SI)	VSI	HADS (Anxiety)	HADS (Depression)	HADS (Total)	SASS
Total	r	0.556	0.538	0.598	0.316	0.233	0.302	-0.269
Total	p	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
IBS group	r	0.488	0.464	0.518	0.449	0.386	0.454	-0.290
IBS group	p	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	0.004
Control group	r	0.452	0.461	0.518	0.113	0.127	0.133	-0.082
Control group	p	<0.001	<0.001	<0.001	0.229	0.177	0.159	0.396
18 items		IBS-SI	Disruption to daily life (IBS-SI)	VSI	HADS (Anxiety)	HADS (Depression)	HADS (Total)	SASS
Total	r	0.560	0.533	0.610	0.305	0.240	0.300	-0.262
Total	p	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001
IBS group	r	0.491	0.464	0.533	0.434	0.399	0.452	-0.282
IBS group	p	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001	0.005
Control group	r	0.450	0.442	0.521	0.098	0.131	0.126	-0.061
Control group	p	<0.001	<0.001	<0.001	0.300	0.166	0.181	0.524

IBS irritable bowel syndrome
IBS-BRQ-J Japanese version of Irritable Bowel Syndrome-Behavioral Responses Questionnaire
IBS-SI IBS Severity Index
VSI Visceral Sensitivity Index
HADS Hospital Anxiety and Depression Scale
SASS Social Adaptation Self-evaluation Scale

ISSN: 1751-0759