Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Period and content of prompts posted on the website.
| Prompt | Prompt period | Prompt content |
| Prompt 1 | 1 month after baseline | Facts about (non-)smoking |
| Prompt 2 | 2 months after baseline | New facts about (non-)smoking |
| Prompt 3 | 3 months after baseline | New animated videos |
| Prompt 4 | 5 months after baseline | Game on (non-)smoking |
| Prompt 5 | 7 months after baseline | New facts about (non-)smoking |
| Prompt 6 | 9 months after baseline | New game on (non-)smoking |
