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Quantifying disability: data, methods and results

C J Murray1, A D Lopez

  • 1Harvard Center for Population and Development Studies, Cambridge, MA 02138.

Bulletin of the World Health Organization
|January 1, 1994
PubMed
Summary
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This study introduces the Global Burden of Disease methodology to quantify health consequences of disability. It estimates disability-adjusted life years (DALYs) to inform prevention policies for underlying conditions.

Area of Science:

  • Public Health
  • Epidemiology
  • Health Economics

Background:

  • Traditional disability data collection relies on cross-sectional surveys, primarily measuring prevalence.
  • Prevalence data is useful for assessing the extent of disability and need for services, but insufficient for prevention.
  • Prevention requires detailed information on the diseases and injuries causing disabilities.

Purpose of the Study:

  • To present the Global Burden of Disease (GBD) methodology for quantifying health consequences of disability.
  • To estimate disability-adjusted life years (DALYs) for eight geographical regions.
  • To provide data supporting the development of policies for preventing disabling conditions.

Main Methods:

  • Estimating age-sex-specific incidence rates of underlying conditions causing disability.

Related Experiment Videos

  • Mapping these conditions to a single disability index reflecting progression, duration, and severity.
  • Calculating disability-adjusted life years (DALYs) based on these metrics.

    • Main Results:

    • Detailed estimates of DALYs lived are provided for eight geographical regions.
    • The methodology quantifies the health impact of living with disabilities.
    • Results highlight the burden of specific underlying conditions leading to disability.

    Conclusions:

    • The GBD methodology offers a comprehensive approach to measuring disability's health impact.
    • Findings are crucial for planning health services and prevention strategies.
    • This framework aids in identifying and addressing the root causes of disabling conditions.