Hejazi Sima Sadat, Hosseini Meimanat, Ebadi Abbas, Alavi Majd Hamid
Department of Community Health Nursing, School of Nursing and Midwifery, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Department of Nursing, Bojnurd Faculty of Nursing, North Khorasan University of Medical Sciences, Bojnurd, Iran.
BMC Nurs. 2022 Sep 5;21(1):246. doi: 10.1186/s12912-022-01025-7.
This study aimed to design and psychometrically evaluate the caregiver burden questionnaire for family caregivers of hemodialysis patients.
This study was conducted using an exploratory sequential mixed method on family caregivers of hemodialysis patients in Iran. In the first phase, the generation of the items was done based on results of directed qualitative content analysis according to the Structural model of the caregiver burden and review of the literature. After developing the item pool, face and content validity, item analysis, structural, convergent and discriminant validity, internal consistency, reliability, interpretability, and feasibility were evaluated.
The primary tool entered the psychometric evaluation phase with 64 items. After performing face and content validity and item analysis, the number of items was reduced to 28. Exploratory factor analysis was performed with 28 items and 300 caregivers, and finally, four subscales with 21 items were developed. The results of confirmatory factor analysis indicated a good fit of the model. Cronbach's alpha and the Intraclass Correlation Coefficient of all subscales were higher than 0.7 and 0.9, respectively. The standard error of measurement was 1.39. All subscales had acceptable values in convergent validity criteria and the HTMT index less than the threshold value. The total score of the questionnaire had no ceiling and floor effect; the percentage of unanswered items was within the acceptable range.
The results show that the caregiver burden questionnaire for caregivers of patients undergoing hemodialysis has good psychometric properties and can measure the caregiver burden in these caregivers.
本研究旨在设计并对血液透析患者家庭照护者的照护负担问卷进行心理测量学评估。
本研究采用探索性序列混合方法，对伊朗血液透析患者的家庭照护者进行研究。在第一阶段，根据照护负担的结构模型和文献回顾，通过定向定性内容分析的结果生成条目。在形成条目池后，对其进行了表面效度和内容效度、条目分析、结构效度、收敛效度和区分效度、内部一致性、信度、可解释性和可行性评估。
最初的工具包含64个条目进入心理测量学评估阶段。在进行表面效度和内容效度以及条目分析后，条目数量减少到28个。对28个条目和300名照护者进行了探索性因子分析，最终形成了包含21个条目的四个子量表。验证性因子分析结果表明模型拟合良好。所有子量表的Cronbach's α系数和组内相关系数分别高于0.7和0.9。测量标准误为1.39。所有子量表在收敛效度标准和HTMT指数低于阈值方面都具有可接受的值。问卷总分没有天花板效应和地板效应；未回答条目的百分比在可接受范围内。
结果表明，血液透析患者照护者的照护负担问卷具有良好的心理测量学特性，能够测量这些照护者的照护负担。
