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Vital Statistics: Linked Birth/Infant Death Data, 1989 Birth Cohort [United States]

PSC Data Catalog: Study Bibliographic Details:

Access to Files:Data and Documentation
Title:Vital Statistics: Linked Birth/Infant Death Data, 1989 Birth Cohort [United States]
Study Number:784
Catalog Date:04/09/1998
Primary Investigator(s):United States Department of Health and Human Services. National Center for Health Statistics (NCHS)
Source:ICPSR
Access Restrictions:No
Abstract:This data collection consists of three data files, which can be used to determine infant mortality rates. The first file provides linked records of live births and deaths of children born in the United States in 1989 (residents and nonresidents). This file is referred to as the ''Numerator'' file. The second file consists of live births in the United States in 1989 and is referred to as the ''Denominator-Plus'' file. Variables include year of birth, state and county of birth, characteristics of the infant (age, sex, race, birth weight, gestation), characteristics of the mother (origin, race, age, education, marital status, state of birth), characteristics of the father (origin, race, age, education), pregnancy items (prenatal care, live births), and medical data. Beginning in 1989, a number of items were added to the U.S. Standard Certificate of Birth. These changes and/or additions led to the redesign of the linked file record layout for this series and to other changes in the linked file. In addition, variables from the numerator file have been added to the denominator file to facilitate processing, and this file is now called the ''Denominator-Plus'' file. The additional variables include age at death, underlying cause of death, autopsy, and place of accident. Other new variables added are infant death identification number, exact age at death, day of birth and death, and month of birth and death. The third file, the ''Unlinked'' file, consists of infant death records that could not be linked to their corresponding birth records.

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