Study aims: 1) To characterize distinct profiles of cancer caregivers' physical and mental health during the end-of-life caregiving period; 2) to identify the background and antecedent factors associated with the distinct profiles of caregivers; 3) to determine the relevance of caregiver profiles to the risk for developing prolonged grief symptoms. Design & methods:This study was a secondary analysis of spouses/partners (n = 198) who participated in the Cancer Caregiver Study.