Developing the Short-Form of Lymphedema Needs Questionnaire for Iranian Breast Cancer Patients

IF 3.1 2区医学 Q2 ONCOLOGY Cancer Medicine Pub Date : 2025-03-28 DOI:10.1002/cam4.70832

Mozhgan Kazemzadeh, Asiie Olfatbakhsh, Sara Dorri

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Abstract

Purpose

The informational needs of patients with Breast Cancer-Related Lymphedema (BCRL) have not been sufficiently addressed in the scientific literature. Moreover, the only existing questionnaire in this field contains many items. Therefore, the purpose of this study is to develop a short-form version of this questionnaire.

Methods

The questionnaire items were extracted from the Lymphoedema Needs Questionnaire-Breast Cancer (LNQ-BC). Demographic variables and clinical characteristics were considered separately. Out of 62 items, 24 were selected, and 2 additional questions were included based on feedback from 10 experts. 100 participants with BCRL completed the short-form questionnaire. Exploratory Factor Analysis (EFA) was performed using principal components extraction and varimax rotation, and Cronbach's alpha was calculated for each dimension.

Results

After evaluating the content validity, the instrument's construct validity with 26 items was conducted using EFA. The KMO (Kaiser-Meyer-Olkin) value was equal to 0.879 and Bartlett's sphericity test was significant (p-value < 0.001), indicating the data's adequacy and appropriateness to perform EFA. Five extracted dimensions were named: “Lymphedema information needs” (5 items), “Informational support, peers” (5 items), “Access to a lymphedema care specialist” (5 items), “Physical and daily activities” (7 items) and “Financial issues and compression garments” (4 items). The level of needs in this study in all dimensions was high (more than 77%).

Conclusions

The high factor loadings and the total explained variance of 78.152% support the construct validity of the short questionnaire. Although some items exhibited cross-loadings, the majority loaded strongly on a single factor, indicating good discriminant validity. Providing services according to the needs of patients can be prioritized. Healthcare providers, insurers, and individuals should be better informed about lymphedema, its associated costs, and the importance of implementing appropriate management programs.

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伊朗乳腺癌患者淋巴水肿需求简易问卷的编制

目的：乳腺癌相关淋巴水肿（BCRL）患者的信息需求在科学文献中尚未得到充分的解决。此外，该领域唯一的现有问卷包含许多项目。因此，本研究的目的是开发该问卷的简短版本。方法从《乳腺癌淋巴水肿需求问卷》（LNQ-BC）中抽取问卷内容。人口统计学变量和临床特征被分开考虑。在62个问题中，选择了24个问题，并根据10名专家的反馈增加了2个问题。100名患有BCRL的参与者完成了简短的问卷调查。采用主成分提取和变量旋转法进行探索性因子分析（EFA），并计算各维度的Cronbach’s alpha。结果经内容效度评定后，采用EFA法对量表26个项目进行构念效度评定。KMO （Kaiser-Meyer-Olkin）值为0.879，Bartlett球度检验显著（p值<； 0.001），表明数据进行EFA的充分性和适宜性。提取的五个维度被命名为：“淋巴水肿信息需求”（5项），“信息支持，同伴”（5项），“获得淋巴水肿护理专家”（5项），“身体和日常活动”（7项）和“财务问题和压缩服装”（4项）。本研究中所有维度的需求水平都很高（超过77%）。结论短问卷具有较高的因子负荷和78.152%的总解释方差，具有较高的结构效度。虽然有些项目表现出交叉加载，但大多数项目在单一因素上加载强烈，表明良好的区分效度。根据病人的需要提供服务是可以优先考虑的。医疗保健提供者、保险公司和个人应该更好地了解淋巴水肿及其相关费用，以及实施适当管理方案的重要性。

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来源期刊

Cancer Medicine ONCOLOGY-

CiteScore

5.50

自引率

2.50%

发文量

907

审稿时长

19 weeks

期刊介绍： Cancer Medicine is a peer-reviewed, open access, interdisciplinary journal providing rapid publication of research from global biomedical researchers across the cancer sciences. The journal will consider submissions from all oncologic specialties, including, but not limited to, the following areas: Clinical Cancer Research Translational research ∙ clinical trials ∙ chemotherapy ∙ radiation therapy ∙ surgical therapy ∙ clinical observations ∙ clinical guidelines ∙ genetic consultation ∙ ethical considerations Cancer Biology: Molecular biology ∙ cellular biology ∙ molecular genetics ∙ genomics ∙ immunology ∙ epigenetics ∙ metabolic studies ∙ proteomics ∙ cytopathology ∙ carcinogenesis ∙ drug discovery and delivery. Cancer Prevention: Behavioral science ∙ psychosocial studies ∙ screening ∙ nutrition ∙ epidemiology and prevention ∙ community outreach. Bioinformatics: Gene expressions profiles ∙ gene regulation networks ∙ genome bioinformatics ∙ pathwayanalysis ∙ prognostic biomarkers. Cancer Medicine publishes original research articles, systematic reviews, meta-analyses, and research methods papers, along with invited editorials and commentaries. Original research papers must report well-conducted research with conclusions supported by the data presented in the paper.