Ye Junrong,Wang Haoyun,Wang Wen,Xiao Aixiang,Wu Chenxin,Wang Li,Xia Zhichun,Jiang Lian,Li Yaling,Yu Lin,Huang Xingxiao,Yang Hang,Construction and reliability and validity of a scale for assessing psychiatric nurses' knowledge， attitude and practice towards the use of protective restraint[J].SICHUAN MENTAL HEALTH,2024,37(2):137-143

Construction and reliability and validity of a scale for assessing psychiatric nurses' knowledge， attitude and practice towards the use of protective restraint

DOI：10.11886/scjsws20230110001

English keywords:Psychiatric nurses Protective restraint Knowledge, attitude and practice Scale construction Reliability Validity

Fund projects:广东省临床教学基地教学改革研究项目（项目名称：基于危机管理理论防范医疗场所暴力的护理本科教学改革与实践，项目编号：2021JD119）

Author Name	Affiliation	Postcode
Ye Junrong	The Affiliated Brain Hospital of Guangzhou Medical University， Guangzhou 510370， China	510370
Wang Haoyun	School of Nursing， Guangzhou Medical University， Guangzhou 511436， China	511436
Wang Wen	School of Nursing， Guangzhou Medical University， Guangzhou 511436， China	511436
Xiao Aixiang^*	The Affiliated Brain Hospital of Guangzhou Medical University， Guangzhou 510370， China	510370
Wu Chenxin	School of Nursing， Guangzhou Medical University， Guangzhou 511436， China	511436
Wang Li	The Third People's Hospital of Jiangmen， Jiangmen 529000， China	529000
Xia Zhichun	The Affiliated Brain Hospital of Guangzhou Medical University， Guangzhou 510370， China	510370
Jiang Lian	The Affiliated Brain Hospital of Guangzhou Medical University， Guangzhou 510370， China	510370
Li Yaling	Psychiatric Hospital of Guangzhou Civil Affairs Bureau， Guangzhou 510430， China	510430
Yu Lin	The Affiliated Brain Hospital of Guangzhou Medical University， Guangzhou 510370， China	510370
Huang Xingxiao	The Affiliated Brain Hospital of Guangzhou Medical University， Guangzhou 510370， China	510370
Yang Hang	The Affiliated Brain Hospital of Guangzhou Medical University， Guangzhou 510370， China	510370

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English abstract:

Background The existing tools in China for assessing psychiatric nurses' knowledge， attitude and practice towards the use of protective restraint do not sufficiently consider the specialty in psychiatric practice， and the scale items are somewhat cumbersome to use， which together restrict their further promotion and application. Accordingly， there is an urgent need for developing a more scientific assessment tool.Objective To construct a scale for assessing psychiatric nurses' knowledge， attitude and practice towards the use of protective restraint and to verify its reliability and validity， so as to provide a generic tool for the assessment.Methods Based on the theoretical framework of the knowledge-attitude-practice model， the preliminary scale was formed through systematic literature review， qualitative interview and Delphi method. From July to December 2021， a stratified sampling was utilized to select 729 psychiatric nurses from tertiary， secondary and primary （including unclassified medical institutions and grassroots hospitals） psychiatric hospitals in Guangdong Province. The formal scale was developed through item analysis， exploratory factor analysis and confirmatory factor analysis. The validity of the scale was evaluated by content validity and structure validity， and the reliability was verified by procedures including Cronbach's α coefficient， test-retest reliability， and split-half reliability.Results A total of 12 items of three dimensions （knowledge， attitude， practice） were included in the scale for assessing psychiatric nurses' knowledge， attitude and practice towards the use of protective restraint. The scale-level content validity index （S-CVI） was 0.941， and the item-level content validity index （I-CVI） ranged from 0.812 to 1.000. Exploratory factor analysis extracted three common factors， and the cumulative variance contribution rate was 62.948%. The confirmatory factor yielded adequate fit. Cronbach's α coefficient was found to be 0.887 for the scale， 0.819 for knowledge dimension， 0.842 for attitude dimension， and 0.831 for practice dimension. The split-half reliability and test-retest reliability for the scale were 0.712 and 0.922， respectively.Conclusion The scale shows satisfactory reliability and validity， which can be used to assess psychiatric nurses' knowledge， attitude and practice towards the use of protective restraint. ［Funded by Guangdong Clinical Teaching Base Teaching Reform Research Project （number， 2021JD119）］

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