title: Psychometric analysis of the Multidimensional Fatigue Inventory in a sample of persons treated for myocardial infarction.
abstract: OBJECTIVE
  Fatigue after myocardial infarction is a frequent and distressing symptom in the early recovery phase. The purpose of this study is to psychometrically evaluate the Multidimensional Fatigue Inventory (MFI-20).
  
  
  METHODS
  The MFI-20 was evaluated using Rasch analysis.
  
  
  RESULTS
  The result showed that the MFI-20 can be used to obtain a global score reflecting an underlying unidimensional trait of fatigue; a transformation of the summarized raw scale scores into interval scale scores could be made. Also, 4 of the 5 original dimensions separately fitted the Rasch model.
  
  
  CONCLUSIONS
  Calculation of a global score increases the possibility of identifying persons experiencing fatigue after myocardial infarction, and using the MFI-20 dimension scores increases the possibility of determining each person's specific fatigue profile.
authors.forename: Ulla
authors.initials: U
authors.lastname: Fredriksson-Larsson
authors.forename: Eva
authors.initials: E
authors.lastname: Brink
authors.forename: Pia
authors.initials: P
authors.lastname: Alsén
authors.forename: Kristin
authors.initials: K
authors.lastname: Falk
authors.forename: Åsa
authors.initials: Å
authors.lastname: Lundgren-Nilsson
mesh_terms: D005221:Fatigue / Q000175:diagnosis* / Q000209:etiology*; D005260:Female; D006801:Humans; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications* / Q000628:therapy; D011594:Psychometrics; D011795:Surveys and Questionnaires