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首页> 外文会议>IEEE International Conference on Bioinformatics and Biomedicine >Construct validity of the Chinese version of WHOQOL-BREF Disabilities module in 1000 adults with disabilities: An Item Response Theory analysis
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Construct validity of the Chinese version of WHOQOL-BREF Disabilities module in 1000 adults with disabilities: An Item Response Theory analysis

机译：项目响应理论分析在1000名残疾人中构建WHOQOL-BREF和残疾模块中文版的有效性

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摘要

This study was to evaluate the construct validity of WHOQOL-BREF & Disabilities module for physical disabilities (PD) and intellectual disabilities (ID) people, using Item Response Theory (IRT) Graded Response Model (GRM) analysis. As one of 14 centres for the field study of the WHOQOL Disabilities module, a stratified representative sample of Guangzhou general disabled people was approached for interview. It contained 1000 respondents: 807 physical disabled people and 193 intellectual disabled people. IRT GRM analysis was used to evaluate the construct validity of WHOQOL-BREF & Disabilities module. Each domain of WHOQOL-BREF showed appropriate fit to the two-parameter IRT GRM. The Disabilities module as overall one domain had a better fitting than as three domains. Discrimination parameters of item 3, 11, 12, 14, 16 and 25 were statistically equal to one for both the PD 5-point response version and the ID 3-point response version of the scales. The domain test information curves showed that the PD group had a larger range of scale scores of information >5 than the ID group. The construct validity of WHOQOL-BREF and Disabilities module using GRM analysis complements previous validation studies.
机译：这项研究旨在使用项目反应理论（IRT）分级反应模型（GRM）分析评估WHOQOL-BREF和残障模块对身体残疾（PD）和智力障碍（ID）人群的有效性。作为WHOQOL残疾模块的14个现场研究中心之一，我们抽取了广州一般残疾人的分层代表性样本进行访谈。它包含1000名受访者：807名身体残疾者和193名智力残疾者。 IRT GRM分析用于评估WHOQOL-BREF和残障模块的构建有效性。 WHOQOL-BREF的每个域都显示出适合两参数IRT GRM的合适性。残疾模块作为一个整体比三个领域具有更好的拟合度。对于量表的PD 5点响应版本和ID 3点响应版本，项目3、11、12、14、16和25的区分参数在统计上等于1。域测试信息曲线显示，与ID组相比，PD组的信息量表得分范围大于5。使用GRM分析构建WHOQOL-BREF和残疾模块的有效性是对先前验证研究的补充。

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