中文版慢性疾病治疗功能评估-疲劳量表（FACIT-F）在乳腺癌患者中的心理测量特性。
Psychometric properties of the Chinese version of the functional assessment of chronic illness therapy-fatigue (FACIT-F) among patients with breast cancer.
机构信息
School of Nursing, Fudan University, 305 Fenglin Road, Shanghai, 200032, China.
Nursing Department, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
出版信息
Health Qual Life Outcomes. 2023 Aug 15;21(1):91. doi: 10.1186/s12955-023-02164-4.
BACKGROUND
Fatigue is the most frequent and distressing symptom affecting the physical, cognitive, and affective domains of breast cancer patients. The Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) has been widely used in patients with chronic diseases and has shown satisfactory reliability and validity. This study aimed to examine the psychometric properties of the FACIT-F among Chinese patients with breast cancer.
METHODS
Using a convenience sampling method, a cross-sectional survey (January 2020 and September 2022) was used with patients recruited from two tertiary hospitals in Shanghai, Mainland China, and a total of 597 patients completed a demographic information questionnaire, the FACIT-F and the Functional Assessment of Cancer Therapy for Breast Cancer (FACT-B). Convergent validity was estimated by calculating the Pearson correlation coefficient of the FACIT-F with the FACT-B. Measurement invariance across age was performed by examining differential item functioning (DIF) across age groups (≤ 60 and > 60 years). The internal consistency and split-half reliability were performed for reliability analysis. Unidimensionality of the scale was evaluated by the principal component analysis by Rasch analysis. Additionally, Rasch analysis was performed for item difficulty levels, and an item-person map was used.
RESULTS
No floor/ceiling effects were observed for the FACIT-F. Moderate correlations were found between FACIT-F and FACT-B (r = - 0.342, p < 0.01). Most items showed an absence of DIF regarding age, except for one item. In addition, the FACIT-F showed acceptable internal consistency. Principal component analysis of Rasch residuals showed that the proportion of variance explained by the FACIT-F was 53.3%, and the outfit mean square statistics for the items ranged from 0.68 to 1.90 and the infit MNSQ from 0.63 to 1.73. Additionally, an acceptable response between items and persons was found.
CONCLUSIONS
The findings indicate that the Chinese version of the FACIT-F is a valid tool for the measurement of fatigue in breast cancer patients.
背景
疲劳是影响乳腺癌患者身体、认知和情感领域最常见和最令人痛苦的症状。慢性疾病治疗功能评估-疲劳量表（FACIT-F）已广泛应用于慢性疾病患者，其可靠性和有效性已得到充分证实。本研究旨在检验 FACIT-F 在乳腺癌中国患者中的心理测量特性。
方法
采用便利抽样法，对 2020 年 1 月至 2022 年 9 月期间从中国大陆两家三级医院招募的患者进行横断面调查，共 597 例患者完成了人口统计学信息问卷、FACIT-F 和乳腺癌癌症治疗功能评估量表（FACT-B）。通过计算 FACIT-F 与 FACT-B 的 Pearson 相关系数来评估聚合效度。通过检验年龄组（≤60 岁和>60 岁）之间的差异项目功能（DIF）来进行跨年龄的测量不变性。通过 Rasch 分析的主成分分析来评估量表的单维性。此外，还进行了项目难度水平的 Rasch 分析，并使用项目-人映射。
结果
FACIT-F 无地板/天花板效应。FACIT-F 与 FACT-B 之间存在中度相关性（r = -0.342，p<0.01）。除了一个项目外，大多数项目在年龄方面没有 DIF。此外，FACIT-F 具有可接受的内部一致性。Rasch 残差的主成分分析表明，FACIT-F 解释的方差比例为 53.3%，项目的拟合平均平方统计范围为 0.68 至 1.90，信息不充分 MNSQ 范围为 0.63 至 1.73。此外，还发现了项目和人员之间的可接受的反应。
结论
研究结果表明，中文版 FACIT-F 是测量乳腺癌患者疲劳的有效工具。
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