Results
We found significant differences in the numbers of posts and comments focused on topics of general community, misinformation, and social support between intervention and control arms (6.88% vs 19.05% focused on misinformation, respectively, (P <0.001); 11.88% vs 1.90% focused on social support, respectively, (P <0.001); and 46.88% vs 62.86% focused on general community (P <0.001)).