Brazilian Journal of Psychiatry · 2003 · 279 citations · 16 references
Possibly, for the elderly subjects a negative quality of life is equivalent to loss of health and a positive life quality is equivalent to a greater range of categories such as activity, income, social life and relationship with the family, categories which differed from subject to subject. Therefore, health seems to be a good indicator of negative quality of life, though an insufficient indicator of successful elderliness.
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Progress in Development of the Index of ADL
S Katz, T. Downs, Helen Cash et al. · The Gerontologist · 1970 · 4K citations
Daniel Offer · Archives of General Psychiatry · 1969 · 3.9K citations