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International psychometric validation of the Living with Chronic Illness Scale in Spanish-speaking patients with chronic obstructive pulmonary disease
OBJECTIVES: To validate the Living with Chronic Illness (LW-CI) Scale in patients with chronic obstructive pulmonary disease (COPD). DESIGN: Observational, cross-sectional validation study with retest. Acceptability, reliability, precision and construct validity were tested. SETTING: The study took...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BMJ Publishing Group
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7959234/ https://www.ncbi.nlm.nih.gov/pubmed/33712522 http://dx.doi.org/10.1136/bmjopen-2020-039973 |
Sumario: | OBJECTIVES: To validate the Living with Chronic Illness (LW-CI) Scale in patients with chronic obstructive pulmonary disease (COPD). DESIGN: Observational, cross-sectional validation study with retest. Acceptability, reliability, precision and construct validity were tested. SETTING: The study took place in primary and secondary specialised units of public and private hospitals of Spain and Colombia. PARTICIPANTS: The study included 612 patients with COPD assessed from May 2018 to May 2019. A consecutive cases sampling was done. Inclusion criteria included: (A) patients with a diagnosis of COPD; (B) native Spanish speaking; (C) able to read and understand questionnaires; and (D) able to provide informed consent. Exclusion criteria included: (A) cognitive deterioration and (B) pharmacological effect or disorder that could disrupt the assessment. RESULTS: The LW-CI-COPD presented satisfactory data quality, with no missing data or floor/ceiling effects, showing high internal consistency for all the domains (Cronbach’s alpha for the total score 0.92). Test–retest reliability was satisfactory (intraclass correlation coefficient=0.92). The LW-CI-COPD correlated 0.52–0.64 with quality of life and social support measures. The scale demonstrated satisfactory known-groups validity, yielding significantly different scores in patients grouped according to COPD severity levels. CONCLUSIONS: This has been the first validation study of the LW-CI-COPD. It is a feasible, reliable, valid and precise self-reported scale to measure living with COPD in the Spanish-speaking population. Therefore, it could be recommended for research and clinical practice to measure this concept and evaluate the impact of centred-care interdisciplinary interventions based on the patients’ perspective, focused on providing holistic and comprehensive care to patients with COPD. |
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