Data on infant births and deaths come from the New Jersey Department of Health birth and infant death files for 1989 to 2003.
Vital Statistics records are a very rich source of data that cover all births and deaths in New Jersey.
Birth records have both detailed information about health at birth and background information about the mother, such as race, education, and marital status.
We traveled to Trenton, New Jersey to use a confidential version of the data with the mother’s address, name, and birth date.
The use of this data allows us to more precisely match mothers to pollution monitors and to identify siblings born to the same mother.
Births were linked to the air pollution measures taken from the closest monitor by using the mother’s exact address and the latitude and longitude of the monitors.
It was also possible to link birth and death records to identify infants who died in the first year of life.
Data on infant births and deaths come from the New Jersey Department of Health birth and infant death files for 1989 to 2003.
Vital Statistics records are a very rich source of data that cover all births and deaths in New Jersey.
Birth records have both detailed information about health at birth and background information about the mother, such as race, education, and marital status.
We traveled to Trenton, New Jersey to use a confidential version of the data with the mother’s address, name, and birth date.
The use of this data allows us to more precisely match mothers to pollution monitors and to identify siblings born to the same mother.
Births were linked to the air pollution measures taken from the closest monitor by using the mother’s exact address and the latitude and longitude of the monitors.
It was also possible to link birth and death records to identify infants who died in the first year of life.
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