目的 编制血液透析护士动静脉内瘘超声技术接受度评估量表，并评价其信效度。 方法 基于技术接受模型，通过概念分析法、文献回顾、半结构式访谈，初步拟定量表的条目池；应用德尔菲法进行专家函询，形成初始版血液透析护士动静脉内瘘超声技术接受度评估量表；并对血液透析护士进行调查，评价信效度。 结果 共发放问卷440份，回收有效问卷430份，问卷有效回收率为97.73%。量表包含5个维度(38个条目)，分别为感知有用性、感知易用性、外部因素、使用者态度、行为意愿。总量表Cronbach's α系数为0.934，重测信度为0.875。量表水平的内容效度指数为0.978，条目水平的内容效度指数范围为0.800～1.000。 结论 血液透析护士动静脉内瘘超声技术接受度评估量表具有较好的信效度，可作为测量血液透析护士超声技术运用意愿及普及难度的工具。
Objective To develop and evaluate an acceptance scale for arteriovenous fistula (AVF) ultrasound technology in hemodialysis nurses. Methods Based on the technology acceptance model, the primary pool of items for the scale was initially developed through conceptual analysis, literature review, and semi-structural interviews. The primary version of the evaluation scale for acceptance of AVF ultrasound technology in hemodialysis nurses was then formed through the Delphi method of expert consultation. The reliability and validity of the scale were evaluated through a survey of hemodialysis nurses. Results A total of 440 questionnaires were distributed in this study, and 430 valid questionnaires were retrieved, with a valid recovery rate of 97.73%. The scale encompasses 5 dimensions (38 items), namely perceived usefulness, perceived ease of use, external factors, user attitudes, and behavioral intentions. The Cronbach's α coefficient of the total scale is 0.934, and the test-retest reliability is 0.875. The scale-level content validity index (Scale-Content Validity Index, S-CVI) is 0.978, and the item-level content validity index (Item-Content Validity Index, I-CVI) ranges 0.800 to 1.000. Conclusion The acceptance assessment scale for AVF ultrasound technology in hemodialysis nurses has a better reliability and validity, and can be used as a tool to measure the willingness and difficulties to widely use AVF ultrasound technology in hemodialysis nurses.
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