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Related Experiment Videos

The Israeli Maternal Perinatal Database: methods and preliminary evaluation

P Zadka1, V Barell

  • 1Central Bureau of Statistics, Health Division, Jerusalem, Israel.

Paediatric and Perinatal Epidemiology
|January 1, 1997
PubMed
Summary

The Israel Maternal Perinatal Database (IMPD) links over 1.3 million births using unique identity numbers. This valuable resource enables reliable maternal and infant health research in Israel.

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Area of Science:

  • Perinatal epidemiology
  • Public health data management
  • Biostatistics

Background:

  • The Israel Maternal Perinatal Database (IMPD) contains birth records from 1980-92.
  • It comprises approximately 1.3 million births and data on mothers with multiple births.
  • Unique identity numbers facilitate deterministic linkage for data integration.

Purpose of the Study:

  • To describe the structure and characteristics of the Israel Maternal Perinatal Database (IMPD).
  • To highlight the database's utility for epidemiological research on maternal and infant health.
  • To discuss potential data quality considerations and analytical pitfalls.

Main Methods:

  • Deterministic linkage using unique identity numbers assigned at birth or residency.
  • Inclusion of birth cohorts from 1980 to 1992.

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  • Validation and reliability assessment through comparison with the National Population Register.

    • Main Results:

    • The IMPD contains ~1.3 million births and extensive maternal data, including grand multipara mothers.
    • Estimated incorrectly matched births are 2%, with pre-1985 underlinkage at 5-10%.
    • Post-1985 underlinkage is primarily due to births outside Israel.

    Conclusions:

    • The IMPD is a robust dataset for studying maternal and perinatal health trends in Israel.
    • Linkage reliability can be assessed, but censoring effects from immigration require consideration.
    • The database supports large-scale epidemiological investigations and health policy insights.