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Healthy Life Years (HLY)

Healthy Life Years (HLY) is also called Disability-Free Life Expectancy (DFLE). HLY indicator serves to measure the number of years that a person lives in a healthy condition. It combines information on age-specific mortality (age-specific deaths) and vulnerability to diseases (age-specific proportions of the population in healthy and unhealthy condition). A healthy condition is defined as one without limitation in everyday functioning and without disability. This statistical indicator is compiled separately for men and women. The Healthy Life Years (HLY) indicator is one of European Structural Indicators and refers to health as a factor connected with the development and well-being. HLY indicator has been developed as a result of observation that not all years, defined by expected length of life, are lived in a healthy condition. The HLY indicator level – as other measures of the expected health state – is calculated following the Sullivan method widely used since the 70s. The method is based on measures of frequency of disability in the population of a given age (the self-perceived disability) and on mortality tables.

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Statistics Poland