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| Sullivan Method× | Analisi della tavola di mortalità× | |
|---|---|---|
| Campo | Demografia | Demografia |
| Famiglia | Survival analysis | Survival analysis |
| Anno di origine≠ | 1971 | 1984 |
| Ideatore≠ | Daniel F. Sullivan | Demographic/actuarial tradition; Chiang |
| Tipo≠ | Prevalence-based health expectancy estimator | Age-structured mortality estimator |
| Fonte seminale≠ | Sullivan, D. F. (1971). A single index of mortality and morbidity. HSMHA Health Reports, 86(4), 347–354. link ↗ | Chiang, C. L. (1984). The Life Table and Its Applications. Robert E. Krieger Publishing. ISBN: 978-0-89874-565-2 |
| Alias | Sullivan's Index, Sullivan Health Expectancy Method, Prevalence-Based Health Expectancy, Sullivan Yöntemi | Mortality Table, Actuarial Table, Survival Table, Yaşam Tablosu |
| Correlati≠ | 4 | 3 |
| Sintesi≠ | 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. | A life table is a systematic, age-structured summary of the mortality experience of a population. It traces a hypothetical cohort of births — conventionally 100,000 — through successive age intervals, recording how many survive, how many die, and how many person-years are lived at each interval. The method was formalized in its modern probabilistic form by Chiang (1984), synthesizing centuries of actuarial and demographic practice into a rigorous statistical framework applicable to human and biological populations alike. |
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