Table 2.
Characteristics of provaping YouTube videos.
| Topics | Videos, n (%) | Views, mean (SE) | Likes, mean (SE) | Daily views, mean (SE) | Daily likes, mean (SE) | Posted days, mean (SE) |
| Comparison with smoking | 16 (9.94) | 2,121,410 (978,736) | 21,512 (9237) | 2522 (1195) | 28 (12) | 1109 (214) |
| Introduction of e-cigarettes | 8 (4.97) | 225,026 (85,275) | 3040 (1728) | 165 (72) | 3 (2) | 1680 (427) |
| Reduced health risks | 5 (3.11) | 53,877 (38,799) | 835 (726) | 401 (386) | 7 (7) | 937 (441) |
| Product sale | 25 (15.53) | 96,232 (34,949) | 686 (380) | 113 (59) | 1 (0) | 1806 (154) |
| Promoting e-cigarettes | 7 (4.35) | 183,037 (128,176) | 1429 (1237) | 48 (29) | 0 (0) | 3260 (382) |
| User demonstration | 100 (62.11) | 856,504 (442,943) | 7629 (4570) | 1266 (767) | 15 (10) | 1869 (89) |