A Psychometric Evaluation of the Dysphagia Handicap Index Using Rasch Analysis
Reinie Cordier,
Annette Veronica Joosten,
Bas J. Heijnen
et al.
Abstract:Background/Objectives: The Dysphagia Handicap Index (DHI) is commonly used in oropharyngeal dysphagia (OD) research as a self-report measure of functional health status and health-related quality of life. The DHI was developed and validated using classic test theory. The aim of this study was to use item response theory (Rasch analysis) to evaluate the psychometric properties of the DHI. Methods: Prospective, consecutive patient data were collected at dysphagia or otorhinolaryngology clinics. The sample includ… Show more
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