SMKLS30D is a 2-digit-numeric variable.
96: Not in universe
98: Unknown-not ascertained
99: Unknown-don't know
For sample adults aged 18 and older who used smokeless tobacco products (chewing, snuff, dip, snus, dissolvable tobacco) some days, not at all, refused or don't know his or her current smokeless tobacco products using status, SMKLS30D reports the number of days the person used chewing tobacco, snuff, dip, snus, or dissolvable tobacco in the past 30 days.This question was first introduced in 2015.
- 2015: Sample adults 18+ who use smokeless tobacco products some days, not at all, or refused or don't know current smokeless using status
- 2015 : SAMPWEIGHT