Codes and Frequencies
For sample children under 6 years old who reported any information regarding their Hepatitis B vaccine(s) and who received at least two Hepatitis B vaccines, IMAHIBAGE2 reports the person's age when he or she received the second Hepatitis B vaccine.
Users are strongly encouraged to visit the Universe tab for more information on changes in the universe across surveyed years.
- 1991: Sample persons under age 6 who reported any information on HIB shots and received two or more HIB shots.
- 1991 : SAMPWEIGHT