Objectives: Best-evidence dementia knowledge has the potential to improve care practices in aged care settings, although limited research has explored understanding among the Japanese workforce. This study examines the knowledge of dementia and educational needs among aged care professionals across Japan. Methods: An online survey methodology was used to assess the dementia experiences and knowledge among a national, random sample of 117 Japanese aged care professionals. Results: Objectively measured scores on the Dementia Knowledge Assessment Scale were moderate and lower than the scores recorded with comparable international cohorts. Knowledge scores were positively correlated with formal dementia education and self-rated knowledge. Knowledge deficiencies were identified concerning differentiation of dementia symptoms, efficacy of pharmaceutical treatments, managing challenging behaviours and patient communication. Conclusion: These results may be used by academics, clinical educators and policy specialists to inform the development of workplace education in the Japanese aged care sector that aims to improve care quality.
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