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Disease-related knowledge in people with chronic obstructive pulmonary disease and their informal caregivers: A
Maria Matarese1, Karen S Lyons2, Michela Piredda1
1Research Unit of Nursing Sciences, Campus Bio-Medico University of Rome, Rome, Italy.
Aims And Objectives:
To assess the level of chronic obstructive pulmonary disease (COPD)-related knowledge within patient and informal caregiver dyads, and to identify factors influencing the knowledge level considering the interdependence within the dyads.
Background:
Patients with COPD and their informal caregivers present poor disease knowledge and different characteristics are associated with their level of knowledge. Disease knowledge and related characteristics have been assessed separately in patients and informal caregivers, without considering possible influence within the dyads.
Design:
Cross-sectional study.
Methods:
A convenience sample of dyads was recruited in outpatient and inpatient settings in Central and South Italy. The Bristol COPD Knowledge Questionnaire was used to measure disease knowledge. Sociodemographic, clinical and caregiving characteristics, self-efficacy and depression were measured in patients and caregivers. Multilevel modelling was used to analyse COPD knowledge at the level of the dyad to control for interdependency between patients and informal caregivers. The STROBE guidelines for cross-sectional studies were followed for study reporting.
Results:
We recruited 133 dyads. The total level of correct knowledge shared by dyads was 32.89%. Dyads presented higher levels of correct knowledge about disease symptoms, smoking cessation and vaccination, and lower about COPD treatment. Younger patients with greater self-efficacy, who attended pulmonary rehabilitation and were cared for by a spouse/partner with low levels of depression, and informal caregivers who were patients' spouse/partner were more likely to have higher levels of disease-related knowledge.
Conclusions:
Our study advances dyadic research in COPD. Future studies should investigate the effects of shared knowledge and incongruent knowledge (where one member knows more than the other) on patient self-care and caregiver contribution to patient self-care.
Relevance To Clinical Practice:
Our study shows what knowledge nurses should provide in educational programmes directed at patients and caregivers, and which dyads have greater knowledge deficits, to whom offer targeted educational interventions.
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