Baussard Louise, Carayol Marion, Porro Bertrand, Baguet Fanny, Cousson-Gelie Florence
Laboratory Epsylon EA4556 Dynamics of Human Abilities and Health Behaviors, University of Montpellier 3, Montpellier, France; Epidaure, Prevention Department, Montpellier Cancer Institute, Montpellier, France.
Laboratory Epsylon EA4556 Dynamics of Human Abilities and Health Behaviors, University of Montpellier 3, Montpellier, France; Epidaure, Prevention Department, Montpellier Cancer Institute, Montpellier, France.
Eur J Oncol Nurs. 2018 Oct;36:62-67. doi: 10.1016/j.ejon.2018.07.005. Epub 2018 Aug 25.
The MFI was developed in 1995 to assess fatigue as a multidimensional concept. This questionnaire has been widely translated and used; however, its multidimensional structure has not been consistent across studies. In addition there is a need for short questionnaires in the clinical context. Therefore, we aim to develop a MFI-short version which is easy-to-use for the patient, quick for the clinician, with solid psychometric properties.
We examined three MFI-20 validated versions and tested their structure, by leading a CFA on 422 cancer patients to evaluate their psychometric qualities (Study 1). Then, we conducted both EFA and CFA by deleting all reversed items. We assumed that 10 items were sufficient to conserve a good explanation of the data and a multidimensional structure (Study 2).
Study 1 revealed that there is no consensus about the structure of the three MFI versions tested and CFA showed inadequate fit (RMSEA > .10; CFI < .9). Those three versions showed an inadequate fit with regard to expected fit indices. In study 2, the multidimensional structure was confirmed with only ten items. The best model gave a three-factor solution with a χ = 67.130, a RMSEA = .072 (95% CI [.048-.096]) and a CFI equal to .97.
The MFI short-form maintains good psychometric quality. This new questionnaire is adapted to cancer populations, and may be useful for clinicians to screen their patients' fatigue. Further validations of this MFI-short form are warranted to confirm its psychometric properties in other populations.
疲劳多维量表（MFI）于1995年开发，用于将疲劳评估为一个多维概念。该问卷已被广泛翻译和使用；然而，其多维结构在各项研究中并不一致。此外，临床环境中需要简短的问卷。因此，我们旨在开发一个易于患者使用、临床医生填写迅速且具有可靠心理测量学特性的MFI简版。
我们检查了三个经过验证的MFI - 20版本，并通过对422名癌症患者进行验证性因素分析（CFA）来测试其结构，以评估其心理测量学质量（研究1）。然后，我们删除所有反向计分项目后进行探索性因素分析（EFA）和CFA。我们假定10个项目足以充分解释数据并保持多维结构（研究2）。
研究1表明，对于所测试的三个MFI版本的结构没有达成共识，CFA显示拟合不足（RMSEA>0.10；CFI<0.9）。这三个版本在预期拟合指数方面显示拟合不足。在研究2中，仅用10个项目就证实了多维结构。最佳模型给出了一个三因素解决方案，χ=67.130，RMSEA=0.072（95%CI[0.048 - 0.096]），CFI等于0.97。
MFI简版保持了良好的心理测量学质量。这个新问卷适用于癌症人群，可能有助于临床医生筛查患者的疲劳情况。有必要对这个MFI简版进行进一步验证，以确认其在其他人群中的心理测量学特性。
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