Table 2.

Characteristics of COVID-19–related Facebook groups (N=257).

Group characteristics			Value
Type of group, n (%)
	Layperson	229 (89)
	Medical	26 (10)
	Technical	2 (1)
Number of members, mean (range)			9203 (1-185,340)
Number of posts per day, mean (range)			62 (0-625)
Privacy setting, n (%)
	Public	128 (50)
	Private	129 (50)
Security requirement to join the group, n (%)
	Yes	121 (47)
	Request	114 (44)
	No	22 (9)
Language, n (%)
	English	218 (85)
	Non-English	39 (15)