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[Quo Vadis Data Linkage in Germany? An Initial Inventory].

Stefanie March1, Manfred Antoni2, Joachim Kieschke3

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Data linkage, or record linkage, is growing in Germany for scientific research. This guide offers practical advice for scientists, reviewers, and ethics boards on linking German data, covering legal aspects and potential challenges.

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Area of Science:

  • Health Sciences
  • Social Sciences
  • Epidemiology

Background:

  • Data linkage is increasingly utilized in Germany for scientific inquiry.
  • Existing projects often develop data linkage tools in isolation, leading to redundancy.
  • A collaborative effort was initiated to share experiences and standardize practices.

Purpose of the Study:

  • To provide guidance for scientists, reviewers, and ethics committees on data linkage.
  • To assist future projects involving individual-level data linkage in Germany.
  • To offer practical insights into data linkage methodologies and their application.

Main Methods:

  • Review of existing data linkage projects and experiences in Germany.
  • Analysis of legal and data privacy frameworks relevant to data linkage.
  • Development of application-oriented examples and best practices.

Main Results:

  • Identification of common challenges and pitfalls in data linkage.
  • Description of various data linkage types and their application fields.
  • Recommendations for preventing common issues in data linkage processes.

Conclusions:

  • Standardized approaches and shared knowledge are crucial for effective data linkage.
  • Addressing legal and ethical considerations is paramount for successful data linkage.
  • This article serves as a practical resource for advancing data linkage in German research.