Researchers at University of California, Irvine and Stanford University found that subjects in smoking cessation programmes had much higher rate of success when exposed to social media messages that encourage them to share feelings and experiences with others.
Cornelia Pechmann, professor of marketing at UCI's Paul Merage School of Business, and Judith J Prochaska, associate professor of medicine at Stanford, found that overall engagement in two consecutive Tweet2Quit groups was high, with 78 per cent of members tweeting their fellow study subjects at least once during the 100-day study.
"Our results indicate that incorporating social media-delivered automessages from trained counsellors was effective in promoting smoking cessation," Pechmann said.
"The twice-daily messages encouraged people to tweet their group members, which made them more accountable for quitting," Pechmann said.
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Members of the Tweet2Quit's two closed, 20-person groups communicated online via Twitter for 100 days.
They were encouraged to use a Web-based guide to develop a cessation plan and were asked to tweet their group at least once a day about their progress.
There were no expert facilitators in the groups; the smokers themselves supported one another.
However, the daily automessages encouraged and directed peer-to-peer discussions, and distinct tweeting spikes occurred when the messages were sent, at 9 am and 5 pm.
"The Twitter environment created a sort of party dynamic," Pechmann said.
"That's especially important for social smokers. In addition, group leaders naturally emerged, facilitating the online conversations. These leaders played a critical role in keeping people engaged," Pechmann added.
Support, accountability, advice and bragging rights are a few of the benefits that make social media a promising platform for self-help groups, Pechmann noted.
However, while health-related online forums, blogs and websites can be informative, they lack the instantaneous interaction of Twitter.
The findings were published in the Journal of Medical Internet Research.