Age requirements to enter and purchase from tobacco brand mobile websites
| Cigarette | Smokeless tobacco | E-cigarettes | Hookah | Cigar | |
| n=10 | n=9 | n=21 | n=5 | n=17 | |
| % (n) | % (n) | % (n) | % (n) | % (n) | |
| Site entry requirements | |||||
| Age-verified account required | 100 (10) | 89 (8) | 0 | 0 | 24 (4) |
| No account required | 0 | 11 (1) | 100 (21) | 100 (5) | 76 (13) |
| Click-through—18+ | 0 | 0 | 33 (7) | 0 | 0 |
| Click-through—21+ | 0 | 0 | 43 (9) | 0 | 54 (7) |
| Enter birth date | 0 | 100 (1) | 5 (1) | 0 | 23 (3) |
| Birth date and 21+ click | 0 | 0 | 0 | 0 | 8 (1) |
| Birth date and state legal age | 0 | 0 | 5 | 0 | 0 |
| No age verification | 0 | 0 | 14 (3) | 100 (5) | 12 (2) |
| Online purchasing | |||||
| Sells tobacco | 0 | 0 | 95 (20) | 80 (4) | 6 (1) |
| Can order with no account but has option for account for easier checkout or coupons | 0 | 0 | 25 (5) | 50 (2) | 0 |
| Order requires account with age verification | 0 | 0 | 75 (15) | 50 (2) | 100 (1) |
| Sells branded merchandise | 0 | 0 | 43 (9) | 80 (4) | 0 |
Italic rows represent percentages of a subcategory.