Caregiver burden and its associated factors among family caregivers of persons with dementia in Shanghai, China: a cross-sectional study.

Dementia caregivers experienced a high level of caregiver burden. The cognitive function of PWD, PAC, social support and community service utilisation were factors associated with caregiver burden. Strengthening social support, providing more high-quality home care services, promoting PAC are imperative to reduce caregiver burden.