The influence path of caregivers' positive aspects, expressed emotion and coping style on behavioral and psychological symptoms of dementia.

Objectives: To analyze the correlation and mechanism of action among caregivers' expressed emotion, positive aspects, coping style and the behavioral and psychological symptoms of people with dementia by using the theory of planned behavior as a framework.

Methods: We investigated 193 pairs of people with dementia and caregivers to assess patients' behavioral and psychological symptoms, as well as caregivers' expressed emotion, positive aspects and coping style. Regression analysis and structural equation modeling were used.