This is the first report on the McGill Quality of Life Questionnaire (MQOL), a questionnaire relevant to all phases of the disease trajectory for people with a life-threatening illness. This questionnaire differs from most others in three ways: the existential domain is measured; the physical domain is important but not predominant; positive contributions to quality of life are measured. This study was conducted in a palliative care setting. Principal components analysis suggests four subscales: physical symptoms, psychological symptoms, outlook on life, and meaningful existence. Construct validity of the subscales is demonstrated through the pattern of correlations with the items from the Spitzer Quality of Life Index. The importance of measuring the existential domain is highlighted by the finding that, of all the MQOL subscales and Spitzer items, only the meaningful existence subscale correlated significantly with a single item scale rating overall quality of life.

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The hypothesis that the existential domain is important, especially to those patients with a life-threatening illness, is supported because multiple regression showed that the existential subscale is at least as important as any other subscale in predicting a single item scale measuring the overall quality of life and plays a greater role in determining the quality of life of patients with local or metastatic disease than in patients with no evidence of disease.

There is a paucity of research relating to how palliative caregivers conceptualize, identify, and provide for spiritual and existential domains of care. Focus groups comprising experienced palliative care providers participated in three semistructured 2-2.5 hour interviews, which were transcribed and subjected to thematic analysis. Eight themes were revealed: conceptualization of spirituality; creating openings; issues of transference and countertransference; cumulative grief; healing connections; the wounded healer; sustaining a healing environment for the caregiver; and challenges and strengths for the spiritual and existential domains of palliative care. While the spiritual and existential domains were variously conceived by experienced care providers, their significance for both patient and caregiver was affirmed. Transference and countertransference issues and the "wounded healer" concept were considered fundamental to effective care. Strategies for promoting therapeutic depth discussion were suggested and the importance of self-awareness and staff support emphasized.