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

Batchelder, Laurie, Fox, Diane, Potter, Caroline M., Peters, Michele, Jones, Karen, Forder, Julien E., Fitzpatrick, Ray (2020) Rasch analysis of the long-term conditions questionnaire (LTCQ) and development of a short-form (LTCQ-8). Health and Quality of Life Outcomes, 18 . Article Number 375. E-ISSN 1477-7525. (KAR id:84808)

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Official URL
https://dx.doi.org/10.1186/s12955-020-01626-3

Abstract

Background

Data were collected through postal surveys (February 2016–January 2017) from a sample of 1,211 participants diagnosed with at least one long-term condition (LTC). Identified participants were invited through either local authorities for a social care cohort (n = 294) or primary care practices for a health care cohort (n = 917). Participants were mailed a survey, including the LTCQ, demographic questions, a comorbidities measure, and other validated outcome measures. Respondents were invited to complete a follow-up survey including the LTCQ for assessment of reproducibility.

Results

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.

Item Type: Article
Uncontrolled keywords: Quality of life, Patient-reported outcome measures, Health and social care, Rasch analysis, Long-term conditions
Subjects: R Medicine > RA Public aspects of medicine
Divisions: Divisions > Division for the Study of Law, Society and Social Justice > School of Social Policy, Sociology and Social Research > Personal Social Services Research Unit
Depositing User: Sian Robertson
Date Deposited: 14 Dec 2020 12:52 UTC
Last Modified: 16 Feb 2021 14:17 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/84808 (The current URI for this page, for reference purposes)
Fox, Diane: https://orcid.org/0000-0001-9144-3883
Jones, Karen: https://orcid.org/0000-0003-0851-8341
Forder, Julien E.: https://orcid.org/0000-0001-7793-4328
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