Table 4.

Improvement in the waitlist control group after crossover to active treatment.

Measure		t value (df=22)	P value (two-tailed)
IBS-QOLa		–3.124	.005
GSRSb		–1.308	.20
GI-COGc		–2.748	.01
VSId		–2.618	.02
FFQe		–3.509	.002
PHQf		0.103	.92
DASSg
	Depression	–1.537	.14
	Stress	–0.361	.72
	Anxiety	0.360	.72

^aIBS-QOL: IBS Quality of Life.

^bGSRS: Gastrointestinal Symptom Rating Scale.

^cGI-COG: Gastrointestinal Cognitions Questionnaire.

^dVSI: Visceral Sensitivity Index.

^eFFQ: Fear of Food Questionnaire.

^fPHQ: Patient Health Questionnaire.

^gDASS: Depression Anxiety Stress Scale.