Table 3.
Reliability for the Standardized Outcomes in Nephrology-Hemodialysis Fatigue and Spearman rho correlations between Standardized Outcomes in Nephrology-Hemodialysis Fatigue and the 12-Item Short Form Survey, Functional Assessment Chronic Illness Therapy–Fatigue, and the Visual Analog Scale
| Country | Cronbach α for Standardized Outcomes in Nephrology-Hemodialysis Fatigue | Intraclass Correlationa (95% Confidence Interval) | Spearman Correlationb | |||
|---|---|---|---|---|---|---|
| 12-Item Short Form Survey | Functional Assessment Chronic Illness Therapy–Fatigue | Visual Analog Scale | ||||
| Mental Composite Score | Physical Composite Score | |||||
| United Kingdom, n=303 | 0.86 | 0.68 (0.61 to 0.73) | −0.53 (−0.64 to −0.40) | −0.45 (−0.57 to −0.31) | −0.83 (−0.87 to −0.77) | 0.61 (0.54 to 0.68) |
| Australia, n=106 | 0.81 | 0.74 (0.63 to 0.82) | −0.30 (−0.64 to 0.14) | −0.46 (−0.74 to −0.05) | −0.75 (−0.85 to −0.60) | 0.67 (0.55 to 0.76) |
| Romania, n=76 | 0.83 | 0.72 (0.57 to 0.82) | −0.52 (−0.72 to −0.25) | −0.53 (−0.72 to −0.26) | −0.72 (−0.88 to −0.43) | 0.65 (0.50 to 0.76) |
a
Intraclass correlation for time point 1 and time point 2. Standardized Outcomes in Nephrology-Hemodialysis Fatigue was recorded in two different time points (time point 1 and time point 2), 1 week apart, prior to commencing the second dialysis session of the week.
b
The 95% confidence intervals are in parentheses.