血糖负荷相关饮食知信行问卷的编制及信效度检验

Establishment and reliability and validity test of KAP questionnaire for glycemic load related diet

[目的]编制血糖负荷相关饮食知信行问卷,并进行信效度检验。[方法]在大量阅读国内外相关文献的基础上初步设计问卷,经2轮专家咨询后形成预试问卷,对浙江省122名二级及以上医院的内分泌科护士进行调查,并采用项目分析、Cronbach’sα系数、分半信度、探索性因子分析和验证性因子分析等对问卷的信效度进行检验。[结果]形成的血糖负荷相关饮食知信行问卷包括知识、态度和行为3个维度和24个条目,问卷总体Cronbach’sα系数为0.949,分半信度为0.981,全体一致性内容效度指数为0.867,验证性因子分析显示拟合度较好。[结论]血糖负荷相关饮食知信行问卷的稳定性和可靠性较好,可用于评价内分泌科护士对血糖负荷相关饮食知信行状况。

Objective：To establish KAP questionnaire for glycemic load related diet and test its reliability and validity.Method：On the basis of reading a lot of relevant literatures at home and abroad,a preliminary questionnaire was designed,and a pre-test questionnaire was formed after 2 rounds of expert consultation.A total of 122 nurses were investigated in the department of Endocrinology in second grade and above hospitals in Zhejiang province,and the reliability and validity of questionnaire were tested by the project analysis,Cronbach＆#39;＆#39;s alpha coefficient,split half reliability,the exploratory factor analysis and confirmatory factor analysis.Results：There were 3 dimensions and 24 items including knowledge,attitude and practice in the questionnaire.The overall Cronbach’s alpha coefficient was 0.949,split half reliability was 0.981,the consistent content validity index was 0.867.The confirmatory factor analysis showed a good fit.Conclusions：The questionnaire had good stability and reliability and it could be popularized as a tool to evaluate KAP of nurses on glycemic load related diet in the department of Endocrinology.