The meaningfulness of participating in support groups for informal caregivers of older adults with dementia: a systematic review.

Informal caregivers who perform at-home care of older people with dementia might have feelings of a meaningless existence, burden, anxiety, stress and fatigue. Support groups are considered an especially effective and economical way to relieve informal caregivers' stress and burden, although it is unclear if participating in group meetings produces a meaningful outcome for the informal caregiver.