Description: The National Immunization Survey (NIS) uses list-assisted random-digit-dialing telephone surveys along with mailed surveys to collect information on childhood immunization coverage from parents.
Population: Nationally representative sample of families with children age 19 to 35 months.
Periodicity: Data collected continuously since 1994, estimation methodology changed in 1998. Data available 1994-2014.
(Information adapted from the publisher)
For more information, please see the Compendium of Family-Self Sufficiency Databases.