The Impairment and Functioning Inventory Revised-English version: A validation study in individuals with disabilities and bothersome pain.
Carmen Ramírez-MaestreRosa EsteveAlicia E López-MartínezMark P JensenJordi MiróRocío de la VegaPublished in: PM & R : the journal of injury, function, and rehabilitation (2021)
The findings indicate that the IFI-R-EV provides valid and reliable measures of daily function and impairment in English-speaking individuals with a disability and chronic pain. These results are consistent with those obtained with the Spanish version.