Figure 3From: A prospective study of the psychobehavioral factors responsible for a change from non-patient irritable bowel syndrome to IBS patient statusDifference of the stressor (daily hassles) scores of the group that changed to IBS. In the group that progressed to IBS, there was a significant increase in the stressor (daily hassles) score just before onset than earlier average scores, by t-test (p < 0.01).Back to article page