儿科ICU护士预防气管插管非计划性拔管的知信行调查问卷编制及信效度检验

The preparation and reliability and validity test of the knowledge-attitude-practice questionnaire for pediatric ICU nurses to prevent unplanned extubation of tracheal intubation

目的编制儿科ICU护士预防气管插管非计划性拔管(UEX)的知识、态度及行为调查问卷。方法通过文献综述和专家函询相结合的方法编制预测试问卷。采取便利抽样方法,选取4所三级甲等医院(其中1所儿童专科医院、3所综合医院)的237名儿科ICU护士进行调查,对预测试问卷进行项目分析和信效度检验,形成正式调查问卷。结果调查问卷包括41个条目,其中知识维度13个条目、态度维度9个条目、行为维度19个条目。知识、态度、行为维度平均内容效度指数分别为0.921、0.996、0.998,各条目的内容效度指数为0.852~1.000;知识、行为、态度维度Cronbach’s α系数分别为0.911、0.946、0.944,问卷总Cronbach’s α系数为0.953;知识、行为、态度维度折半信度为0.710、0.931、0.859,问卷总折半信度为0.695。结论儿科ICU护士预防气管插管UEX的知识、态度及行为调查问卷具有良好的信效度,可作为儿科ICU护士对预防气管插管UEX的认知程度及行为依从性的评估工具。

Objective To investigate the knowledge,attitude and behavior of pediatric ICU nurses on preventing unplanned extubation(UEX).Methods The pre-test paper was prepared by the combination of literature review and expert consultation.The convenience sampling method was used to select 237 pediatric ICU nurses from four tertiary hospitals(including one children’s hospital and three general hospitals)to conduct a survey.The project analysis and reliability and validity test of the pre-test questionnaire were carried out to form a formal questionnaire.Results The questionnaire included 41 items,including 13 items of knowledge dimension,nine items of attitude dimension and 19 items of behavior dimension.The average content validity index of knowledge,attitude and behavior dimensions was 0.921,0.996 and 0.998,respectively,and the content validity index of each item was 0.852-1.000.The Cronbach’s α coefficients of knowledge,behavior and attitude were 0.911,0.946 and 0.944 respectively,and the total Cronbach’s α coefficient of the questionnaire was 0.953.The split-half reliability of knowledge,behavior and attitude dimensions was 0.710,0.931 and 0.859,and the total split-half reliability of the questionnaire was 0.695.Conclusion The questionnaire of knowledge,attitude and behavior of pediatric ICU nurses in preventing tracheal intubation UEX has good reliability and validity,and can be used as an evaluation tool for pediatric ICU nurses’cognition and behavior compliance in preventing tracheal intubation UEX.