Evaluation of the Unidimensional Fatigue Impact Scale (U-FIS) in Crohn's Disease: The Importance of Local Item Dependency.

Alice Heaney Stephen P McKenna Peter Hagell

Published in: Journal of nursing measurement (2021)

The U-FIS did not provide unidimensional measurement in a sample of CD patients due to high levels of LID. Combining the three FIS outcomes into a single measure was not justified.

Keyphrases

end stage renal disease
ejection fraction
newly diagnosed
chronic kidney disease
type diabetes
metabolic syndrome
patient reported outcomes
depressive symptoms
physical activity
skeletal muscle