血液透析自我管理量表（HDSMI-18）的心理计量学测试：验证性因子分析。
Psychometric testing of the hemodialysis self-management instrument (HDSMI-18): A confirmatory factor analysis.
机构信息
Department of Community Medicine, St. Martin De Porres Hospital, Chiayi, Taiwan.
School of Nursing, Kaohsiung Medical University, Kaohsiung, Taiwan.
出版信息
Nurs Open. 2021 Sep;8(5):2832-2839. doi: 10.1002/nop2.867. Epub 2021 Apr 1.
AIM
The aim of this study was to probe the rigorousness of the factor structure of the HDSMI and to test the instrument's construct validity.
DESIGN
Cross-sectional study.
METHODS
The hemodialysis unit of four hospitals in Taiwan provided data from 628 patients with end-stage renal disease (ESRD), through the period of September to December in 2012. The patients were divided into a calibration sample for CFA and model modification, and a validation sample for cross-validation of the postmodification model. Goodness of fit was tested with standard fit indices.
RESULTS
The four latent variables (i.e. partnership, self-care, problem-solving and emotional management) were verified as dimensions of HDSMI through CFA. The construct validity of the HDSMI was improved by omitting two items, allowing one inter-item correlation and transferring the loading of one item. These modifications improved fit indices of the calibration sample. Cross-validation of the validation sample verified the construct validity of the modified HDSMI-18.
目的
本研究旨在探究 HDSMI 结构的严谨性，并检验该工具的建构效度。
设计
横断面研究。
方法
2012 年 9 月至 12 月，台湾四家医院的血液透析单位提供了 628 例终末期肾病（ESRD）患者的数据。这些患者被分为校准样本进行 CFA 和模型修正，以及验证样本进行修正后模型的交叉验证。使用标准拟合指数检验拟合优度。
结果
通过 CFA，四个潜在变量（即伙伴关系、自我护理、解决问题和情绪管理）被验证为 HDSMI 的维度。通过删除两个项目、允许一个项目间相关和转移一个项目的加载，HDSMI 的建构效度得到了提高。校准样本的这些修改提高了拟合指数。验证样本的交叉验证验证了修正后的 HDSMI-18 的建构效度。
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