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Purpose: To explore content validity of the ICF core set for Diabetes Mellitus from nurses’ perspective.
Materials and methods: A two-round Delphi study was conducted with nurses specialized in diabetes care, who were recruited by purposive sampling. Level of agreement on relevance of ICF categories was calculated using Item-level Content Validity Index.
Results: Twenty-seven nurses judged 147 second-level ICF categories on relevance for people with Diabetes Mellitus. Agreement was reached on 65 (44.2%) categories, of which 46 were from the ICF core set for Diabetes Mellitus, 17 were from previous validation studies, and two were additional categories that were mentioned as relevant. Forty-six out of the 65categories were derived from the component body functions and structures. No agreement was reached on 82 (55.8%) categories, of which 33 were derived from the component environmental factors.
Conclusions: Content validity of the ICF core set for Diabetes Mellitus was partially supported by specialized nurses. Agreement was predominantly reached on biomedical categories. Content validity of categories derived from environmental factors received little support.
Relevance: The nursing profession should be aware of a gap between the current biomedical focus and the desired biopsychosocial approach; the latter of which is recommended in chronic care.