医护人员低血糖症知信行问卷的编制及信效度检验

Development and Validation of Questionnaire of Knowledge,Attitude and Practice of Hypoglycemia for Medical Staff

目的编制医护人员低血糖症知信行问卷并对其进行信效度检验。方法以知信行理论为框架,通过文献回顾和德尔菲专家函询形成初始问卷,对西安市某三级甲等医院1215名医护人员进行调查,进一步检验问卷的信效度,形成正式问卷。结果最终形成的问卷包括知识、态度、行为3个维度共23个条目,探索性因子分析显示3个公因子的累计方差贡献率为61.501%。问卷总内容效度为0.890,总Cronbachα系数为0.882,各维度的Cronbachα系数为0.769~0.934。总问卷折半信度为0.872,各维度的折半信度为0.788~0.916。验证性因子分析显示各适配值良好,提示该问卷拟合度良好。结论医护人员低血糖症知信行问卷具有良好的信效度,可作为评价医护人员低血糖症知信行现状的研究工具。

Objective To develop a questionnaire of knowledge,attitude and practice of hypoglycemia for medical staff and test its reliability and validity.Methods Based on Knowledge,Attitudes,Beliefs,and Practices(KABP)model,the initial draft of the questionnaire was developed after literature review and expert letter inquiry with Delphi method.Totally 1,215 doctors and nurses of a tertiary grade A hospital in Xi’an were investigated with the questionnaire,and the reliability and validity of the questionnaire were further tested to form a final version.Results The final questionnaire consisted of 23 items in 3 dimensions of knowledge,attitude and practice.Exploratory factor analysis showed that cumulative variance contribution rate was 61.501%and the total content validity 0.890.Cronbachαcoefficient of the total scale was 0.882 and that of each dimension ranged from 0.769 to 0.934.The split-half reliability coefficient of the total scale was 0.872 and that of each dimension ranged from 0.788 to 0.916.Confirmatory factor analysis showed that each value fitted well,indicating good fitting of the questionnaire.Conclusion The questionnaire has good reliability and validity.It can be used as a research tool to evaluate the current situation of knowledge,attitude and behavior of hypoglycemia in medical staff.