Rasch analysis of the long-term conditions questionnaire (LTCQ) and development of a short-form (LTCQ-8).

Laurie Batchelder Diane FoxCaroline M PotterMichele PetersKaren JonesJulien E ForderRay Fitzpatrick

Published in: Health and quality of life outcomes (2020)

The LTCQ measures a unidimensional construct, and it is therefore acceptable to use a summed total score. The LTCQ-8 also met the assumption of unidimensionality and had comparable construct validity with the LTCQ. Additional validation is required in an independent sample.

Keyphrases

psychometric properties
tyrosine kinase
cross sectional
patient reported