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Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
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Data Linkage in Australia: The First 50 Years.

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Area of Science:

  • Health Informatics
  • Public Health
  • Data Science

Background:

  • Population-based data linkage in Australia originated in Western Australia in the 1970s.
  • A coordinated national data linkage infrastructure has since been established.
  • Over 50 years, dedicated individuals have built Australia's data linkage capabilities.

Purpose of the Study:

  • To describe the evolution of population-based data linkage in Australia.
  • To highlight the impacts of data linkage on Australian health and well-being.
  • To discuss challenges and future prospects of national data linkage.

Main Methods:

  • Historical review of data linkage development in Australia.
  • Analysis of impacts across various health domains.
  • Discussion of challenges and future directions.

Main Results:

  • Data linkage has evolved from a regional concept to a national network.
  • Linked data supports diverse applications, from preventing developmental anomalies to pandemic response.
  • Significant progress has been made in overcoming legal, ethical, and collaborative hurdles.

Conclusions:

  • Australia's data linkage infrastructure, developed over 50 years, is robust.
  • This infrastructure provides a strong foundation for future expansion and development.
  • Linked health and human services data will continue to address evolving societal challenges.