Codes and Frequencies
Description
[Placeholder variable description: Took probiotics or prebiotics, past 12 months].
Comparability
No information available.Universe
- 2012: Sample adults age 18+ and children ages 4-17 who have taken herbs or other non-vitamin supplements in the past 12 months.
Availability
- 2012
Weights
- 2012 : SUPP4WT