Kappas and gross discrepancy rates (GDRs) for items about the awareness of each tobacco products
| Variable | Adult (n=407) | Youth (n=117) | ||
| Kappa | GDR (%) | Kappa | GDR (%) | |
| Ever seen or heard of snus before this study | 0.64 | 17.8 | 0.31 | 28.5 |
| Ever seen or heard of a hookah before this study | 0.59 | 13.0 | 0.57 | 21.6 |
| Ever seen or heard of dissolvable tobacco before this study | 0.49 | 11.3 | 0.25 | 18.1 |
| Ever seen or heard of smokeless tobacco before this study | 0.56 | 8.4 | 0.52 | 19.0 |
| Ever seen or heard of pipe before this study | 0.44 | 7.9 | 0.41 | 20.5 |
| Ever seen or heard of an e-cigarette or electronic nicotine product before this study | 0.32 | 7.1 | 0.34 | 14.7 |
| Ever seen or heard of a cigar, cigarillo or filtered cigar before this study | 0.40 | 6.4 | 0.34 | 28.2 |