Codes and Frequencies
Description
CPOXYR identifies sample children and, beginning in 2000, sample adults who had chickenpox during the previous 12 months. CPOXYR is a follow-up question for those respondents who reported that they ever had chickenpox (i.e., those with an affirmative response in CPOXEV).
Universe
- 1999: Sample children under age 18 who ever had chickenpox.
- 2000-2018: Sample adults age 18+ and sample children under age 18 who ever had chickenpox.
Availability
- 1999-2018
Weights
- 1999-2018 : SAMPWEIGHT