Item analysis using Rasch models confirms that the Danish versions of the DISABKIDS® chronic-generic and diabetes-specific modules are valid and reliable
Julie Bøjstrup Nielsen; Julie Nyholm Kyvsgaard; Stine Møller Sildorf; Svend Kreiner; Jannet Svensson; Gerhard H. Fischer
BACKGROUND: Type 1 Diabetes (T1D) has a negative impact on psychological and overall well-being. Screening for Health-related Quality of Life (HrQoL) and addressing HrQoL issues in the clinic leads to improved well-being and metabolic outcomes. The aim of this study was to translate the generic and diabetes-specific validated multinational DISABKIDS® questionnaires into Danish, and then determine their validity and reliability. METHODS: The questionnaires were translated using a validated translation procedure and completed by 99 children and adolescents from our diabetes-department; all diagnosed with T1D and were aged between 8 and 18 years old. The Rasch and the graphical log linear Rasch model (GLLRM) were used to determine validity. Monte Carlo methods and Cronbach's α were used to confirm reliability. RESULTS: The data did not fit a pure Rasch model but did fit a GLLRM when item si...
Julie Bøjstrup Nielsen, Julie Nyholm Kyvsgaard, Stine Møller Sildorf, Svend Kreiner, Jannet Svensson, & Gerhard H. Fischer (2017). Item analysis using Rasch models confirms that the Danish versions of the DISABKIDS® chronic-generic and diabetes-specific modules are valid and reliable. Health and Quality of Life Outcomes, 15(1), 44-44. https://doi.org/10.1186/s12955-017-0618-8