Codes and Frequencies
For sample adults age 18 and over who reported taking vitamin D pills or supplements during the past month, VITMOVITDAS reports the number of days during the past month he or she took vitamin D.
- 2010; 2015: Sample adults age 18+ who have taken vitamin D pills or supplements during the past month.
- 2010, 2015
- 2010, 2015 : SAMPWEIGHT