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Table 4 Internal consistency of the SOS-V subscale and total used at the first interviews with patients in general practice with incurable cancer with a life-expectancy of 6 months or less (cronbach's α, n = 64)*

From: Unbearability of suffering at the end of life: the development of a new measuring device, the SOS-V

(sub)scale Number of items a. Aspect present? b. Suffering Unbearable?
Domain I: Signs and symptoms 37 0.79 0.87
Domain II: Loss of functions 7 0.70 0.72
Domain III: Personal aspects 17 0.82 0.89
Domain IV: Aspects of social environment 6 0.57 0.62
Domain V: Nature and prognosis of disease 2 0.64 0.72
Total SOS-V 69 0.90 0.93
  1. * between 6 and 8 missing observations per (sub)scale