Fig. 1

Procedure of the multimodal comprehensive care methodology training programme. 1: Pre-training surveys: Completion of the Japanese short version of the Zarit Burden Interview (J-ZBI) by the participants and the Behavioral Pathology of Alzheimer’s Disease by the participants regarding people with dementia. Completion of the background information of family caregivers, including the caregiver’s age, gender and relationship with the person with dementia, and the background information of the people with dementia, including age, gender, aetiology of dementia, support or care need levels under the public long-term care insurance system in Japan, and the use of any sleep or antipsychotic medications. 2: Post-training surveys: completion of the Japanese short version of the Zarit Burden Interview by the participants and the Behavioral Pathology of Alzheimer’s Disease by the participants with regard to people with dementia 1 and 3 months after training. 3: Fourteen participants were excluded due to missing data. 4: Twenty-one people with dementia were excluded due to missing data, hospital admission, or death