Table 1.

Characteristics of the analyzed datasets from r/depression, r/happy, r/diabetes, and r/ibs

Community	r/depression	r/happy	r/diabetes	r/ibs
Date of data	Dec 2008-May 2015	Jan 2008-May 2015	Jan 2009-May 2015	Aug 2012-May 2015
No. of Submissions	571,864	95,329	167,917	15,978
No. of Members	36,746	8130	4539	923