Assessing cancer-related fatigue: Validation of the Korean version of the cancer fatigue scale among cancer survivors

IF 2.8 3区医学 Q1 NURSING Asia-Pacific Journal of Oncology Nursing Pub Date : 2025-01-20 DOI:10.1016/j.apjon.2025.100657

Haneul Lee , Eun Young Park , Kwang-Hi Park

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Abstract

Objective

This study aimed to validate the Korean version of the Cancer Fatigue Scale (CFS-K) as a reliable tool for assessing cancer-related fatigue (CRF) for cancer survivors.

Methods

A total of 208 cancer survivors who completed active treatment participated in evaluating the reliability, construct validity, and factor structure of the CFS-K through confirmatory factor analysis (CFA). Correlations with the Functional Assessment of Chronic Illness Therapy-Fatigue (FACT-F) and the European Organization for Research and Treatment of Cancer Quality of Life Questionnaire Core-30 (EORTC QLQ-C30) scales were analyzed to assess construct validity.

Results

The CFS-K demonstrated strong psychometric properties, with high internal consistency (Cronbach’s α = 0.875) and CFA validated a three-factor structure (physical, cognitive, and affective fatigue) with acceptable model fit indices (normed χ² = 2.62, CFI = 0.899, TLI = 0.878, RMSEA = 0.088, SRMR = 0.069). The standardized factor loadings for all items exceeded 0.5. Construct validity was confirmed through strong correlations with FACT-F (r = 0.43–0.73) and significant correlations with EORTC QLQ-C30 subscales. Cancer survivors reported significantly higher fatigue levels across all subscales than controls.

Conclusions

The CFS-K is a reliable and valid tool for assessing multidimensional CRF in cancer survivors.

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评估癌症相关疲劳：韩国版癌症疲劳量表在癌症幸存者中的验证

目的：本研究旨在验证韩国版癌症疲劳量表（CFS-K）作为评估癌症幸存者癌症相关疲劳（CRF）的可靠工具。方法采用验证性因子分析（confirmatory factor analysis， CFA）对208例完成积极治疗的癌症幸存者进行信度、结构效度和因子结构评估。分析与慢性疾病治疗-疲劳功能评估（FACT-F）和欧洲癌症研究与治疗组织生活质量问卷核心-30 （EORTC QLQ-C30）量表的相关性来评估结构效度。结果CFS-K具有较强的心理测量特性，具有较高的内部一致性（Cronbach 's α = 0.875）， CFA验证了三因素结构（身体、认知和情感疲劳），模型拟合指标可接受（标准化χ2 = 2.62, CFI = 0.899, TLI = 0.878, RMSEA = 0.088, SRMR = 0.069）。所有项目的标准化因子负荷均超过0.5。通过与FACT-F的强相关（r = 0.43-0.73）和与EORTC QLQ-C30子量表的显著相关来证实结构效度。癌症幸存者报告的所有亚量表的疲劳水平都明显高于对照组。结论CFS-K是一种可靠、有效的评估癌症幸存者多维CRF的工具。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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