J Korean Acad Nurs.  2022 Oct;52(5):522-534. 10.4040/jkan.22062.

Validity and Reliability of Korean Version of Self-Care Chronic Obstructive Pulmonary Disease Inventory (SC-COPD) and Self-Care Self-Efficacy Scale (SCES-COPD)

• Choi JY
• Yun SY

• KMID: 2534820
• DOI: http://doi.org/10.4040/jkan.22062

Abstract

Purpose
This study examined the validity and reliability of the Korean version of the Self-Care in Chronic Obstructive Pulmonary Disease Inventory (SC-COPDI) and the Chronic Obstructive Pulmonary Disease Self-Care Self-Efficacy Scale (SCES-COPD). The SC-COPDI consists of the Self-Care Maintenance Scale (SCMES), Self-Care Monitoring Scale (SCMOS), and Self-Care Management Scale (SCMAS).
Methods
The original tool was translated using a back-translation process. Participants were 241 patients with COPD at the Chonnam National University Hospital in Korea. The construct validity was verified through confirmatory factor analysis, and reliability was verified using Cronbach’s α.
Results
The SCMES consisted of 10 items of three factors―one of four factors was deleted from the original tool. In the SC-MOS, there were six items of two factors after two items were deleted from the original tool. The SCMAS consisted of the original 10 items of three factors. The SCES-COPD consisted of six items of two factors, with one item removed from the original tool. The model fit indices of all tools were good, and the construct validity was confirmed. Cronbach’s α of SCMES was .72, SCMOS was .90, SCMAS was .81, and SCES-COPD was .85.
Conclusion
The Korean version of SC-COPDI and SCES-COPD are valid and reliable instruments for measuring selfcare in people with COPD. These instruments can be used in self-care studies of COPD patients in Korea.

Keyword

Pulmonary Disease; Chronic Obstructive; Self Care; Self Efficacy; Reproducibility of Results