<P> The Popsicle Index is a quality of life measurement coined by Catherine Austin Fitts as the percentage of people in a community who believe that a child in their community can safely leave their home, walk to the nearest possible location to buy a Popsicle, and walk back home . </P> <P> Within the field of healthcare, quality of life is often regarded in terms of how a certain ailment affects a patient on an individual level . This may be a debilitating weakness that is not life - threatening; life - threatening illness that is not terminal; terminal illness; the predictable, natural decline in the health of an elder; an unforeseen mental / physical decline of a loved one; or chronic, end - stage disease processes . Researchers at the University of Toronto's Quality of Life Research Unit define quality of life as "The degree to which a person enjoys the important possibilities of his or her life" (UofT). Their Quality of Life Model is based on the categories "being", "belonging", and "becoming"; respectively who one is, how one is not connected to one's environment, and whether one achieves one's personal goals, hopes, and aspirations . </P> <P> Experience sampling studies show substantial between - person variability in within - person associations between somatic symptoms and quality of life . Hecht and Shiel measure quality of life as "the patient's ability to enjoy normal life activities" since life quality is strongly related to wellbeing without suffering from sickness and treatment . There are multiple assessments available that measure Health - Related Quality of Life, e.g., AQoL - 8D, EQ5D - Euroqol, 15D, SF - 36, SF - 6D, HUI . </P> <Table> <Tr> <Td> </Td> <Td> The neutrality of this section is disputed . Relevant discussion may be found on the talk page . Please do not remove this message until conditions to do so are met . (November 2012) (Learn how and when to remove this template message) </Td> </Tr> </Table>

An individual’s perception of good health is the same for all economic levels