Psychometric properties of the simplified Chinese version of the observer OPTION 5 scale
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RESEARCH ARTICLE
Open Access
Psychometric properties of the simplified Chinese version of the observer OPTION5 scale Zhaojuan Chen1,2†, Xuefei Bai1†, Guanghui Jin1, Xin Tao3, Guowei Huang3 and Yali Zhao1*
Abstract Background: OPTION5 is a scale used to evaluate shared decision making (SDM) in health care from an observer’s perspective; however, to date, there is no simplified Chinese version of this scale. Objectives: This study aims to produce a simplified Chinese version of the OPTION5 scale and to test its psychometric properties. Methods: One rater observed and audio-recorded consultations between general practitioners (GPs) and chronically ill patients in a Beijing community health service center (CHSC) from May to June 2019. Meanwhile, demographic data of the patients and GPs were collected via information forms. Two raters assessed inter- and intra-rater reliability by calculating the intraclass correlation coefficient (ICC) and weighted Cohen’s Kappa values. Internal consistency was assessed using Cronbach’s α value. Concurrent was calculated by Spearman’s rank correlation coefficient. Results: A total of 209 consultations were recorded and evaluated. As concerns inter-rater reliability, the ICC of the OPTION5 was 0.859 on the total score level, with Cohen’s weighted k ranging from 0.376 (item 5) to 0.649 (item 2) on the single item level. With regard to intra-rater reliability, the ICC was 0.945 on the total score level, with Cohen’s weighted k ranging from 0.469 (item 5) to 0.883 (item1) on the single item level. Cronbach’s α value of all 5 items amounted to 0.746. Spearman’s rank correlation coefficient between OPTION5 and OPTION12 for Chinese versions was 0.660. Conclusions: The simplified Chinese version of the OPTION5 scale, developed using stringent translation procedures, demonstrated satisfactory psychometric characteristics. Specifically, inter- and intra-rater reliabilities were excellent, while criterion validity was moderate. The simplified Chinese version of the OPTION5 scale can be implemented in clinical settings to evaluate SDM of treatment during consultations between GPs and chronically ill patients. Keywords: Shared decision-making, Patient involvement, Communication, OPTION5, Measurement, Psychometric properties
* Correspondence: [email protected] † Zhaojuan Chen and Xuefei Bai contributed equally to this work. 1 School of General Practice and Continuing Education, Capital Medical University, No. 10, Xitoutiao, You An Men Wai, Fengtai District, Beijing 100069, China Full list of author information is available at the end of the article © The Author(s). 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included i
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