Hann D M, Denniston M M, Baker F
Behavioral Research Center, American Cancer Society, Atlanta, GA 30329, USA.
Qual Life Res. 2000;9(7):847-54. doi: 10.1023/a:1008900413113.
Fatigue is one of the most common and debilitating symptoms experienced by cancer patients, yet until recent years it has received little systematic attention, due in part to the lack of adequate instruments to measure fatigue. The primary aim of this report is to further validate a recently developed measure of fatigue for use with cancer patients: the Fatigue Symptom Inventory (FSI). This 13-item self-report measure was designed to measure the intensity and duration of fatigue and its interference with quality of life. The FSI was originally validated in a sample of breast cancer patients and a sample of healthy individuals. In this study, the FSI was evaluated in an outpatient sample that included male and female cancer patients, as well as some older patients, with a variety of cancer diagnoses. A seven-item interference scale was found to have good internal consistency, with alpha coefficients above 0.90. Convergent validity was demonstrated via comparisons with an existing measure of fatigue. Construct validity was demonstrated via comparisons with measure of life satisfaction and depression as well as comparisons among subgroups of patients expected to differ in their experience of fatigue. Overall, the FSI was further established as a valid and reliable measure of fatigue in cancer patients. The potential application of this measure in psychosocial oncology research is discussed.
疲劳是癌症患者经历的最常见且使人衰弱的症状之一，但直到近年来，它才受到很少的系统关注，部分原因是缺乏足够的工具来测量疲劳。本报告的主要目的是进一步验证最近开发的一种用于癌症患者的疲劳测量工具：疲劳症状量表（FSI）。这个包含13个条目的自我报告量表旨在测量疲劳的强度、持续时间及其对生活质量的干扰。FSI最初在乳腺癌患者样本和健康个体样本中得到验证。在本研究中，FSI在一个门诊样本中进行了评估，该样本包括男性和女性癌症患者以及一些老年患者，他们患有各种癌症诊断。发现一个包含7个条目的干扰量表具有良好的内部一致性，阿尔法系数高于0.90。通过与现有的疲劳测量工具进行比较，证明了收敛效度。通过与生活满意度和抑郁测量工具进行比较以及在预期疲劳体验不同的患者亚组之间进行比较，证明了结构效度。总体而言，FSI进一步被确立为癌症患者疲劳的有效且可靠的测量工具。讨论了该测量工具在心理社会肿瘤学研究中的潜在应用。
