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	Sullivan Method	Multistate Life Table
Ämnesområde	Demografi	Demografi
Familj	Survival analysis	Survival analysis
Ursprungsår	1971	1975
Upphovsperson	Daniel F. Sullivan	Andrei Rogers, Robert Schoen and collaborators
Typ	Prevalence-based health expectancy estimator	Nonparametric life table with multiple living states and transitions
Ursprungskälla	Sullivan, D. F. (1971). A single index of mortality and morbidity. HSMHA Health Reports, 86(4), 347–354.	Preston, S. H., Heuveline, P., & Guillot, M. (2001). Demography: Measuring and Modeling Population Processes. Blackwell. ISBN: 9781557864512
Alias	Sullivan's Index, Sullivan Health Expectancy Method, Prevalence-Based Health Expectancy, Sullivan Yöntemi	Increment-Decrement Life Table, Multiple-State Life Table, Multistate Demography, Çok Durumlu Yaşam Tablosu
Närliggande	4	4
Sammanfattning	The Sullivan method is a simple, widely used technique for estimating health expectancy — the average number of years a person can expect to live in a given health state, such as free of disability. Introduced by Daniel Sullivan in 1971, it combines an ordinary period life table with the observed age-specific prevalence of the health state, partitioning life-table person-years into healthy and unhealthy years without requiring any longitudinal transition data.	The multistate life table, also called the increment-decrement life table, generalizes the ordinary life table to populations that move among several living states — such as healthy and disabled, married and unmarried, or employed and unemployed — as well as the absorbing state of death. Using age-specific transition rates organized in matrices, it tracks the flows of a synthetic cohort among states and yields state-specific expectancies, such as the years a person can expect to spend healthy versus disabled.