Longitudinal changes and predictors of prolonged grief for bereaved family caregivers over the first 2 years after the terminally ill cancer patient’s death

Background: A significant minority of bereaved caregivers experience prolonged grief. However, few longitudinal studies have examined prolonged grief, especially in an Asian context. Aim: We explored longitudinal changes and factors predicting prolonged grief in bereaved caregivers of terminally ill Taiwanese cancer patients. Design: Observational, prospective, and longitudinal. Prolonged grief symptoms were measured with the PG-13 at 6, 13, 18, and 24 months postloss. Setting/participants: A convenience sample of 493 caregivers (83.3% participation rate) of terminally ill cancer patients was recruited from a medical center in Taiwan. Results: The prevalence of prolonged grief decreased significantly over time from the patient’s death (7.73%, 1.80%, 2.49%, and 1.85% at 6, 13, 18, and 24 months postloss, respectively, p