Skip to main content

Table 5 Internal consistency reliability and test-retest reliability

From: Irritable bowel syndrome-specific health-related quality of life instrument: development and psychometric evaluation

 

Cronbach’s alpha

ICC (95 % confidence interval)

Total IBS-HR-QOL

0.93

0.88 (0.79–0.86)*

Factor 1: Bowel function

0.85

0.81 (0.68–0.88)*

Factor 2: Emotions

0.87

0.82 (0.69–0.89)*

Factor 3: Concerns about social activity

0.90

0.88 (0.79–0.92)*

Factor 4: Consideration of foods

0.87

0.77 (0.61–0.86)*

  1. *p < 0.001
Back to article page

Health and Quality of Life Outcomes

ISSN: 1477-7525

Contact us