Psychometric properties of the Chinese version of the Perceived Therapeutic Efficacy Scale for type 2 diabetes

Journal of the Formosan Medical Association = Taiwan Yi Zhi
Shu-Fang Vivienne WuPei-Jen Chang

Abstract

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. 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. 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...Continue Reading

Citations

May 25, 2011·Journal of Clinical Nursing·Shu-Fang Vivienne WuKuei-Chen Cheng
Aug 7, 2018·International Journal of Psychiatry in Medicine·Christine L McKibbinMartha Sajatovic
Nov 7, 2017·Health & Social Care in the Community·Nutchanath WichitMaree Johnson
Aug 5, 2011·Nursing & Health Sciences·Shu-Fang Vivienne WuHeng-Hsin Tung
May 24, 2014·Journal of Nursing Measurement·Vivian C Sheer

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