Table 2.
Total social network activity in Smokers’ Helpline Online (SHO) and StopSmokingCenter.net (SSC) Web-assisted tobacco interventions.
| Characteristic | SHO | SSC |
| Study period | June 26, 2008–October 12, 2010 | May 17, 2007–October 12, 2010 |
| Duration (days) | 839 | 1245 |
| Number of members with at least one post in the social network | 1670 | 1627 |
| Number of posts in the social network | 84,599 | 133,753 |
| Number of message threads | 7916 | 10,967 |
| Number of posts in shortest thread | 1 | 1 |
| Number of posts in longest thread | 73 | 87 |