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Anticipatory grief (AG) is the process of experiencing loss prior to the death of a significant person. Coping with this multifaceted experience in the context of dementia caregiving is a relatively novel, yet significant area in caregiving literature. The Marwit-Meuser Caregiver Grief Inventory (MM-CGI) and its abbreviated MM-CGI-Short-Form (MM-CGI-SF) is the most widely used scale measuring AG. However, limited research has employed robust analytical strategies to assess its dimensional structure. This study employed contemporary factor analytical techniques to assess the dimensional structure of the MM-CGI/SF. Caregivers of persons with dementia ( n =  508) completed a survey containing MM-CGI/SF and other associated psychological measures. Exploratory factor analysis was employed to compare eight alternative factor analytical models to determine the optimal model. Internal-consistency reliability was assessed by Cronbach’s α and construct validity was assessed by Spearman’s correlation-coefficient. The best fitting model was the MM-CGI-SF three factor model ( Personal Sacrifice and Burden ,  Heartfelt Sadness and Longing  and  Worry and Felt Isolation ). The MM-CGI-SF three factor model demonstrated internal consistency reliability and factor correlations with associated psychological measures indicated construct validity. The MM-CGI-SF three factor model demonstrated adequate fit and utility, however, the  Worry and Felt Isolation  subscale needs further replication and revision to assess its dimensionality. The MM-CGI-SF is the more useful tool due to its brevity and better model fit.

Exploratory factor analysis of the caregiver grief inventory in a large UK sample of dementia carers