Table 1.

PECOS Criteria

Population	Family members or caregivers of adult patients with life-limiting illness, through the point of death
Exposure	Caring for an adult patient who is dying (life expectancy < 3–6 months) or who chooses hastened death (medical aid in dying, voluntarily stopping eating and drinking, euthanasia)
Context	Caregiving in the home
Outcome	Caregivers’ emotional, practical, and philosophical experiences with caring for loved ones at end of life, either because of illness or related to deliberately hastened death
Study Design	Qualitative: interviews, focus groups, phenomenology, ethnography