Reliability | Change score | |||||
---|---|---|---|---|---|---|
Weighted Kappa (95% CI) n = 50 | ICCa (95% CI) n = 50 | Cronbach’s alpha (n = 161) | Mean (SD) (n = 50) | SEMb | SDCc | |
Impact on QoL | ||||||
Q19 | 0.65 (0.46–0.83) | 0.94 (0.90–0.97) n = 41 | 0.85 | 0.46 (2.97) n = 41 | 0.73 | 2.02 |
Q20 | 0.72 (0.46–0.83) | |||||
Q21 | 0.63 (0.48–0.78) | |||||
Q22 | 0.73 (0.59–0.86) | |||||
Q23 | 0.54 (0.39–0.69) | |||||
Control | ||||||
Q5 | 0.57 (0.42–0.72) | 0.92 (0.85–0.95) n = 44 | 0.80 | 0.49 (2.41) n = 45 | 0.68 | 1.88 |
Q8 | 0.63 (0.49–0.78) | |||||
Q9 | 0.73 (0.60–0.86) | |||||
Q10 | 0.65 (0.51–0.80) | |||||
Q11 | 0.68 (0.55–0.82) | |||||
Pattern | ||||||
Q3 | 0.58 (0.34–0.81) | 0.90 (0.81–0.94) n = 45 | 0.37 | −0.13 (1.32) n = 45 | 0.42 | 1.16 |
Q6 | 0.76 (0.42–0.72) | |||||
Q7 | 0.64 (0.47–0.80) | |||||
Bristol stool chart | ||||||
Q15 -Bristol stool chart | 0.87 (0.73–1.01) | |||||
Single unscored items – outside the factor structure | ||||||
Q4 | 0.48 (0.24–0.73) | |||||
Q12 | 0.57 (0.41–0.72) | |||||
Q13 | 0.42 (0.23–0.61) | |||||
Q14 | 0.39 (0.17–0.60) | |||||
Q16 | 0.65 (0.48–0.82) | |||||
Q17 | 0.61 (0.46–0.77) | |||||
Q18 | 0.67 |