A team of home hospice nurses has observed high levels of engagement among caregivers and families in a rural community who attend a support group. When conducting a search for findings about caregiver and family engagement, the nurses should form PICOT questions with which of the following as the "P"? (Select All that Apply.)
a) Families
b) Attendance at a support group
c) Increased caregiver and family engagement
d) Within 1 month of diagnosis
e) Caregivers
f) Provide transportation assistance