Psychometric properties of the Chinese version of the Perceived Therapeutic Efficacy Scale for type 2 diabetes
Description
Background/Purpose: The purpose of this study was to test the psychometric properties of the Perceived Therapeutic Efficacy Scale (PTES) for type 2 diabetes with a Taiwanese sample. The mortality rate and health care cost of diabetes have dramatically increased in Taiwan, with many people with diabetes lacking the ability to control their disease appropriately. Addressing this problem requires enhancing self-efficacy towards self-management. Thus, there is a particular need for research into developing a diabetes-specific self-efficacy measurement instrument in Taiwan.Methods This study was undertaken in two stages. Stage 1 consisted of forward and back translation of the PTES into Chinese and examination of content validity. Stage 2 established the validity and reliability of the Chinese version of PTES (C-PTES). A total of 230 people with type 2 diabetes aged 30 years or more from a diabetes outpatient clinic and taking oral medicine were recruited for psychometric testing.Results Significant criterion-related validity was demonstrated between the C-PTES and the Summary of Diabetes Self-Care Activities scores (r = 0.32; p < 0.01). Convergent validity was confirmed as the C-PTES converged well with the General Self-Efficacy Scale in measuring self-efficacy (r = 0.42; p < 0.01); construct validity using factor analysis composed a single subscale. Internal consistency showed Cronbach's a was 0.95 and the test-retest reliability (Pearson's correction) was 0.79 (p < 0.01) and a Bland-Altman plot showed that 97% of the subjects were within two standard deviations of the mean.Conclusion The results of reliability and validity strengthen confidence in using the C-PTES. The C-PTES requires future studies to confirm the psychometric properties.
Impact and interest:
Citation counts are sourced monthly from Scopus and Web of Science® citation databases.
These databases contain citations from different subsets of available publications and different time periods and thus the citation count from each is usually different. Some works are not in either database and no count is displayed. Scopus includes citations from articles published in 1996 onwards, and Web of Science® generally from 1980 onwards.
Citations counts from the Google Scholar™ indexing service can be viewed at the linked Google Scholar™ search.
ID Code: | 224467 | ||
---|---|---|---|
Item Type: | Contribution to Journal (Journal Article) | ||
Refereed: | Yes | ||
ORCID iD: |
|
||
Measurements or Duration: | 7 pages | ||
Keywords: | Perceived Therapeutic Efficacy Scale, Psychometrics, Self efficacy, Type 2 diabetes mellitius | ||
DOI: | 10.1016/S0929-6646(08)60141-2 | ||
ISSN: | 0929-6646 | ||
Pure ID: | 33607755 | ||
Divisions: | Past > QUT Faculties & Divisions > Faculty of Health Past > Institutes > Institute of Health and Biomedical Innovation Current > Schools > School of Nursing |
||
Copyright Owner: | Consult author(s) regarding copyright matters | ||
Copyright Statement: | This work is covered by copyright. Unless the document is being made available under a Creative Commons Licence, you must assume that re-use is limited to personal use and that permission from the copyright owner must be obtained for all other uses. If the document is available under a Creative Commons License (or other specified license) then refer to the Licence for details of permitted re-use. It is a condition of access that users recognise and abide by the legal requirements associated with these rights. If you believe that this work infringes copyright please provide details by email to qut.copyright@qut.edu.au | ||
Deposited On: | 06 Nov 2021 19:31 | ||
Last Modified: | 03 Mar 2024 14:28 |
Export: EndNote | Dublin Core | BibTeX
Repository Staff Only: item control page