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Actuarial contributions to life table analysis.

E A Lew

    National Cancer Institute Monograph
    |May 1, 1985
    PubMed
    Summary

    Actuarial science developed life tables in the 19th century, revealing that no population is truly unselected. Group life insurance data is a better mortality standard for those under 65.

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    Area of Science:

    • Actuarial Science
    • Demography
    • Mortality Studies

    Background:

    • Life tables and select life tables were developed by actuaries in 19th-century England.
    • Actuaries investigated selection phenomena in insured individuals, annuitants, and the general population, identifying initial temporary selection, antiselection, and class selection.

    Observation:

    • Early actuarial conclusions established that "unselected populations" do not exist.
    • Group life insurance data for actively employed individuals under 65 provides a more suitable standard for expected mortality than general population rates.
    • Mortality rates from the Cancer Prevention Study are valuable for assessing excess mortality in individuals aged 65 and older compared to healthy populations.

    Findings:

    • The concept of selection is fundamental in mortality studies.
    • Group life insurance data offers a superior benchmark for expected mortality in younger, actively employed demographics.
    • The Cancer Prevention Study data provides a robust standard for evaluating mortality in older populations.

    Implications:

    • Accurate life table construction requires acknowledging and quantifying selection effects.
    • Using appropriate population data (e.g., group life insurance, specific studies) is crucial for precise mortality risk assessment.
    • These findings inform public health initiatives, insurance underwriting, and epidemiological research.

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