Psychometric testing of the caregiver contribution to self-care of coronary heart disease inventory

Tatiana Bolgeo, Roberta Di Matteo, Niccolò Simonelli, Alberto Dal Molin, Barbara Bassola, Maura Lusignani, Antonio Maconi, Laura Rasero, Paolo Iovino, Ercole Vellone

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Background Caregivers are important contributors to the self-care of patients with coronary heart disease (CHD). Aims The aims of this study are to describe the development and psychometric properties of the caregiver contribution to self-care of coronary heart disease inventory (CC-SC-CHDI). Methods The CC-SC-CHDI was developed from the patient version of the scale, the Self-care of Coronary Heart Disease Inventory (SC-CHDI) and translated into Italian using forward and backward translation. Baseline data from the HEARTS-IN-DYADS study were used. Confirmatory factor analysis (CFA) was conducted to assess factorial validity; Cronbach’s alpha and the model-based internal consistency index were used to test internal consistency reliability, and Pearson’s correlation coefficient was used to test convergent validity, by investigating the association between the CC-SC-CHDI and the SC-CHDI scores. Results We included 131 caregivers (mean age 55 years, 81.2% females, 74% married) of patients affected by CHD (mean age 66 years, 80.2% males, 74% married). The CFA confirmed two factors in the caregiver contribution to self-care maintenance scale (“consulting behaviors” and “autonomous behaviors”), one factor for the CC to self-care monitoring scale, and two factors in the CC to self-care management scale (“consulting behaviors and problem-solving behaviors”). Reliability estimates were adequate for each scale (Cronbach’s alpha and model-based internal consistency indexes ranging from 0.73 to 0.90). Significant and positive correlations were observed between CC-SC-CHDI and SC-CHDI scales. Conclusion The CC-SC-CHDI has satisfactory validity and reliability and can be used confidently in clinical settings and research to assess caregiver contributions to CHD self-care.

Lingua originaleInglese
Numero di articoloe0302891
RivistaPLoS ONE
Volume19
Numero di pubblicazione5
DOI
Stato di pubblicazionePubblicato - mag 2024

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