Rasch validation of the Danish version of the shoulder pain and disability index (SPADI) in patients with rotator cuff-related disorders

@article{Christensen2018RaschVO,
  title={Rasch validation of the Danish version of the shoulder pain and disability index (SPADI) in patients with rotator cuff-related disorders},
  author={Karl Bang Christensen and Kristian Thorborg and Per H{\"o}lmich and Mikkel Bek Clausen},
  journal={Quality of Life Research},
  year={2018},
  volume={28},
  pages={795-800}
}
PurposeThe psychometric properties of the shoulder pain and disability index (SPADI) have been extensively evaluated using classical test theory, but very few studies have applied Rasch analysis. The purpose of this study was to validate the Danish version using Rasch analysis.MethodsResponses to the SPADI from 229 patients (48% female, mean age 54.5) were included in the Rasch analysis. Overall fit, individual item fit, local response dependence, dimensionality, targeting, reliability, and… CONTINUE READING
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