Table 3.
Classification of pro-tobacco content on Facebook, Wikipedia, and YouTube.
|
|
Wikipedia | YouTube | P value | |||
| Facebook vs Wikipedia | Wikipedia vs YouTube | Facebook vs YouTube | ||||
| Number of brands | 43 | 48 | 61 |
|
|
|
| History and culture, n (%) | 16 (37) | 32 (67) | 5 (8) | <.001 | <.001 | .001 |
| Major products, n (%) | 15 (35) | 27 (56) | 48 (79) | .04 | .03 | <.001 |
| Health warnings, n (%) | 1 (2) | 3 (6) | 2 (3) | .04 | .95 | .47 |
| Web-based tobacco shops, n (%) | 11 (26) | 2 (4) | 30 (49) | .004 | <.001 | .004 |
| Company websites, n (%) | 11 (26) | 11 (23) | 4 (7) | .77 | .02 | .009 |