Journal
KIDNEY INTERNATIONAL
Volume 92, Issue 4, Pages 972-978Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.kint.2017.03.018
Keywords
chronic kidney disease; perceived competence; self-efficacy; self-report; validation
Categories
Funding
- American Society of Nephrology Carl W. Gottschalk Research Scholar Grant
- National Kidney Foundation Young Investigators Grant
- National Institute of Diabetes and Digestive and Kidney Diseases [K23 DK809652, R01DK103935]
- NIH [K24DK62849, R01DK03935-03S1, K23 DK097183]
- NCATS/NIH [UL1 TR000445]
- [T32DK007569]
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Chronic Kidney Disease (CKD) is a major burden on patients and the health care system. Treatment of CKD requires dedicated involvement from both caretakers and patients. Self-efficacy, also known as perceived competence, contributes to successful maintenance of patient's CKD self-management behaviors such as medication adherence and dietary regulations. Despite a clear association between self-efficacy and improved CKD outcomes, there remains a lack of validated self-report measures of CKD self-efficacy. To address this gap, the Perceived Kidney/Dialysis Self-Management Scale (PKDSMS) was adapted from the previously validated Perceived Medical Condition Self-Management Scale. We then sought to validate this using data from two separate cohorts: a cross-sectional investigation of 146 patients with end-stage renal disease receiving maintenance hemodialysis and a longitudinal study of 237 patients with CKD not receiving dialysis. The PKDSMS was found to be positively and significantly correlated with self-management behaviors and medication adherence in both patient cohorts. The PKDSMS had acceptable reliability, was internally consistent, and exhibited predictive validity between baseline PKDSMS scores and self-management behaviors across multiple time points. Thus, the PKDSMS is a valid and reliable measure of CKD patient self-efficacy and supports the development of interventions enhancing perceived competence to improve CKD self-management.
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