The purpose of this study was to analysis the role of the Nurses who are Certified Diabetes Educator of Japan (CDEJN), and a questionnaire was administered to 481 CDEJNs at 81 institutions who responded that they could cooperate with the study, and 199 responded to the questionnaire (41.4% response rate). The results of exploratory factor analysis revealed that the CDEJNs play six roles and behaviors: guidance for diabetic patients, guidance for complications and complication prevention, cooperation and collaboration in the diabetes guidance team, support for diabetes activities in the community, support for multidisciplinary guidance for diabetes care, reflection on diabetes nursing practice. Factor correlation coefficients ranged from 0.249 to 0.714, and Cronbach' s alpha coefficient for each factor was 0.939 for the entire CDEJN role behavior, and 0.822 to 0.915 within each factor. This study' s results suggest that more experience as a CDEJN is associated with more role behavior as a CDEJN.
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