Validity and Reliability of Confidence in Dementia (CODE) Instrument in Indonesian Language for Nurses
Sri Mulyani1, Intansari Nurjannah1, Probosuseno2

Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada, Yogyakarta, Indonesia

Abstract

Background: The population of person with dementia (PWD) in Indonesia is increasing. The evaluation of nurses^ confidence in caring for PWD is crucial as it impacts the delivery of health services to PWD. In Indonesia, there is no instrument available to measures a person^s confidence in caring for PWD.
Purpose: To report the translation process, validity and reliability of the Confidence in Dementia (CODE) instrument for nurses.
Method: This is a psychometric testing study conducted from September to October 2021. In the first step, CODE instrument was translated by using the Beaton Method. The second step was testing the content validity that involving six experts using the Scale-Content Validity Index (S-CVI). After that, the researchers conducted a construct validity test using Pearson Product Moment and a reliability test using Cronbach^s Alpha that involving 115 nurses at a hospital in Yogyakarta, Indonesia.
Results: S-CVI results of 1.00 indicate that the content of CODE is valid. All CODE items also valid in construct validity as the result of Pearson Product Moment test show a calculated r of 0.526 to 0.633. Moreover, the CODE reliability test revealed a Cronbach^s Alpha score of 0.770 (acceptable).
Conclusion: The Indonesian language CODE is considered valid and reliable for measuring nurses^ confidence in caring for PWD.

Keywords: Dementia, Confidence, Reliability, Translation, Validity

Topic: Caring for Vulnerable Population