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Death in the South Pacific.

R Beaglehole, I A Prior, M A Foulkes

    The New Zealand Medical Journal
    |May 28, 1980
    PubMed
    Summary

    Westernization adversely impacts Polynesian health, increasing mortality rates. Cardiovascular risk factors like blood pressure and cholesterol show varying relationships with death across populations.

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    Area of Science:

    • Epidemiology
    • Cardiovascular Health
    • Population Health

    Background:

    • Examines mortality patterns in four South Pacific populations (Pakapuka, Rarotonga, New Zealand Maori, New Zealand Caucasian).
    • Investigates the influence of cardiovascular risk factors: blood pressure, serum cholesterol, and body mass index (BMI).
    • Baseline data collected in 1963-64, with follow-up mortality ascertainment in 1974.

    Purpose of the Study:

    • To analyze mortality patterns and the impact of cardiovascular risk factors across diverse South Pacific populations.
    • To compare health outcomes associated with increasing Westernization among Polynesian groups and a Caucasian sample.
    • To identify population-specific relationships between risk factors and mortality.

    Main Methods:

    • Utilized survivorship data from 1980 adults over an 10-11 year period.
    • Employed the Mantel-Haenszel method for analyzing survivorship data.
    • Applied Cox's proportional hazards regression model to assess population differences in mortality.

    Main Results:

    • Cardiovascular risk factors and associated diseases were more prevalent in Polynesians with increasing Westernization.
    • Age-standardized death rates increased with Westernization, from 11.7% in Pukapukan men to 26.7% in Maori men.
    • A significant inverse relationship between baseline serum cholesterol and mortality was observed in New Zealand Maoris.
    • Population differences in mortality were not fully explained by the studied variables.

    Conclusions:

    • Westernization has an adverse effect on the health of Polynesian populations.
    • The relationship between cardiovascular risk factors and mortality varies significantly between different populations.
    • Further research is needed to understand the complex interplay of factors influencing health disparities.
    Keywords:
    Cultural BackgroundDemographic FactorsDeveloping CountriesDifferential MortalityHealthMortalityOceaniaPopulationPopulation CharacteristicsPopulation Dynamics

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