Description

For sample children under 18 years old with a shot record but not all of their shots are on the record, IMAHEPA reports if the person has ever received an additional Hepatitis A shot that is not on the record.

Users are strongly encouraged to visit the Universe tab for more information on changes in the universe across surveyed years.

Comparability

Changes in the universe limit the comparability of this variable. As always, users are advised to use the appropriate weight for their analyses.

Universe

Availability

• 2001-2003

Weights

• 2001-2003 : SUPP1WT