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A Psychometric Study of the Multidimensional Fatigue Inventory to Assess Fatigue in Patients with Schizophrenia Spectrum Disorders.

Hedlund, Lena LU ; Lundvik Gyllensten, Amanda LU and Hansson, Lars LU (2015) In Community Mental Health Journal 51(3). p.377-382
Abstract
Fatigue is frequently reported by patients with mental illness. The multidimensional fatigue inventory (MFI-20) is a self-assessment instrument with 20 items including five dimensions of fatigue. The purpose of this study was to examine the test-retest reliability, internal consistency, convergent construct validity and feasibility of using MFI-20 in patients with schizophrenia spectrum disorders. Patients completed two self-assessment instruments, MFI-20 (n = 93) and Visual Analogue Scale (n = 79), twice within 1 week ±2 days. Fifty-three patients also rated the feasibility of responding to the MFI-20 with a Likert scale. The test-retest reliability and validity were analysed by using Spearman's correlations and internal consistency by... (More)
Fatigue is frequently reported by patients with mental illness. The multidimensional fatigue inventory (MFI-20) is a self-assessment instrument with 20 items including five dimensions of fatigue. The purpose of this study was to examine the test-retest reliability, internal consistency, convergent construct validity and feasibility of using MFI-20 in patients with schizophrenia spectrum disorders. Patients completed two self-assessment instruments, MFI-20 (n = 93) and Visual Analogue Scale (n = 79), twice within 1 week ±2 days. Fifty-three patients also rated the feasibility of responding to the MFI-20 with a Likert scale. The test-retest reliability and validity were analysed by using Spearman's correlations and internal consistency by calculating Cronbach's α. The test-retest showed a correlation between .66 and .91 for all subscales of MFI. The internal consistency was .92. The analysis of convergent construct validity showed a correlation of .68 (time 1) and .77 (time 2). No item was systematically identified as being difficult to answer. (Less)
Please use this url to cite or link to this publication:
author
; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Community Mental Health Journal
volume
51
issue
3
pages
377 - 382
publisher
Springer
external identifiers
  • pmid:24972909
  • wos:000351393400017
  • scopus:84939895498
  • pmid:24972909
ISSN
0010-3853
DOI
10.1007/s10597-014-9746-3
language
English
LU publication?
yes
id
387a23dd-1ede-427e-adc3-2e7ea978584c (old id 4523746)
alternative location
http://www.ncbi.nlm.nih.gov/pubmed/24972909?dopt=Abstract
date added to LUP
2016-04-01 11:02:12
date last changed
2022-03-12 19:19:50
@article{387a23dd-1ede-427e-adc3-2e7ea978584c,
  abstract     = {{Fatigue is frequently reported by patients with mental illness. The multidimensional fatigue inventory (MFI-20) is a self-assessment instrument with 20 items including five dimensions of fatigue. The purpose of this study was to examine the test-retest reliability, internal consistency, convergent construct validity and feasibility of using MFI-20 in patients with schizophrenia spectrum disorders. Patients completed two self-assessment instruments, MFI-20 (n = 93) and Visual Analogue Scale (n = 79), twice within 1 week ±2 days. Fifty-three patients also rated the feasibility of responding to the MFI-20 with a Likert scale. The test-retest reliability and validity were analysed by using Spearman's correlations and internal consistency by calculating Cronbach's α. The test-retest showed a correlation between .66 and .91 for all subscales of MFI. The internal consistency was .92. The analysis of convergent construct validity showed a correlation of .68 (time 1) and .77 (time 2). No item was systematically identified as being difficult to answer.}},
  author       = {{Hedlund, Lena and Lundvik Gyllensten, Amanda and Hansson, Lars}},
  issn         = {{0010-3853}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{377--382}},
  publisher    = {{Springer}},
  series       = {{Community Mental Health Journal}},
  title        = {{A Psychometric Study of the Multidimensional Fatigue Inventory to Assess Fatigue in Patients with Schizophrenia Spectrum Disorders.}},
  url          = {{https://lup.lub.lu.se/search/files/2330010/5160020.pdf}},
  doi          = {{10.1007/s10597-014-9746-3}},
  volume       = {{51}},
  year         = {{2015}},
}