These findings confirm the value of investigating nutritional deficiencies in dementia within the caregiving dyad and suggest that the functional status of older people with dementia and the nutritional status of family caregivers should be carefully assessed.

These preliminary findings emphasize the need for routine assessment of depressive symptoms, functional and nutritional status in dementia family caregivers, and confirm the value of investigating caregivers' nutritional risk through an integrative view including psychosocial approach.