目的 汉化孕妇尿失禁知信行量表(knowledge,attitude and practice assessment scale for pregnant women on UI,KAP-IU)并评价其信度、效度,为医护人员对孕妇尿失禁知信行情况的评估提供测量工具.方法 2022 年 12 月—2023 年 3月按照国际通用量表跨文化调适流程对量表进行汉化,形成中文版KAP-IU量表.2023 年 3 月—6 月采用便利抽样选取门诊就诊孕妇 456 例进行调查,基于Rasch模型和经典测量学检验指标进行信度、效度检验.结果 430 例孕妇完成研究.中文版KAP-IU量表共由 23 个条目构成,符合Rasch模型单维性假设,Rasch模型解释了 66.1%的变异;个人和条目的分隔信度均>0.8,分隔指数≈ 3,所有条目加权的均方拟合统计量(information-weighted mean square fit statistic,Infit MNSQ)和未加权的均方拟合统计量(unweighted mean square fit statistic,Outfit MNSQ)均方值在 0.473～1.611 之间,点测量相关系数(point-measure correlation,Pt-Measure Corr)在 0.293～0.731 之间,个体能力均值比条目难度均值高 0.343 Logits;总量表Cronbachα系数为0.783,3 个维度(知识、态度和行为)的重测信度分别为 0.751、0.815、0.760;条目水平内容效度指数(item-level CVI,I-CVI)为0.810～1.000;量表水平内容效度(scale-level CVI,S-CVI)为 0.824.结论 中文版KAP-IU量表在国内孕妇人群中经验证信度、效度良好,难度适中,可作为孕妇尿失禁知信行情况评估的可靠工具.
Translation of the knowledge,attitude and practice assessment scale of pregnant women with urinary incontinence into Chinese and test its reliability and validity under Rasch model
Objective To translate the knowledge,attitude and practice assessment scale for pregnant women on UI(KAP-IU)into Chinese and evaluate its reliability and validity,so as to provide healthcare professionals with a tool in Chinese to assess the knowledge,attitude and practice of pregnant women with UI.Methods The KAP-UI scale was translated into a Chinese version following the international standard for cross-cultural adaptation process.A total of 456 pregnant women attending the outpatient clinics were selected for trial of the Chinese version of KAP-UI with the method of convenience sampling.Reliability and validity were further assessed based on Rash model and classic measurement indicators.Results A total of 430 pregnant women validly responded to the survey with the Chinese version of KAPS-UI.The Chinese version of the KAP-UI comprised a total of 23 items.It conformed with the unidimensional assumption of the Rasch model,which explained 66.1%of the variance.Both individual and entry separation reliabilities were>0.8,with the separation index was approximately equal to 3.The information-weighted mean square fit statistic(Infit MnSq)and the unweighted mean square fit statistic(Outfit MnSq)values of the items were from 0.473 to 1.611.The Point-Measure correlation coefficients(Pt-Measure Corr)were from 0.293 to 0.731,with an average individual ability higher than the average item difficulty by 0.343 Logits.The Cronbach's α coefficient of the scale was 0.783,with the test-retest reliabilities of the three dimensions(knowledge,attitude and behaviour)at 0.751,0.815,and 0.760,respectively.The Item-level content validity index(I-CVI)were found from 0.810 to 1.000 and the scale-level content validity index(S-CVI)was 0.824.Conclusions The Chinese version of the KAP-IU scale demonstrates a good reliability and validity among pregnant women in China,with mode rate difficulty.Therefore,it is a reliable tool for assessment of the knowledge,attitudes and practices of pregnant women with UI.
the knowledge,attitude and practice assessment scale for pregnant women on UIRasch model-based analysisreliabilityvalidity
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