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. Author manuscript; available in PMC: 2020 Jun 1.
Published in final edited form as: Clin Trials. 2020 Feb 3;17(3):306–313. doi: 10.1177/1740774520902741

Table 1.

Engagement metrics for social media posts announcing crowdsourcing events and sharing of results

Event/Sharing Posts Number of Postsa and Total Engagement Metrics by Social Media Platform
Facebook Twitter
# of Posts Reachb Reactionsc Clicks # of Posts Impressionsc Total Engagementsd
Event 1 (Informed Consent) 4 584 121 40 2 2362 36
Event 2 (Experience of Trial Participation) 3 152 112 7 2 1947 22
Event 3 (Idea Contest) 4 489 62 16 2 2204 17
Sharing of Idea Contest Results 4 311 61 14 4 2014 39
a

The number of posts made by our team on a social media platform to advertise the event/share the results, including initial announcement and (for events) subsequent reminders.

b

Reach is defined by Facebook as the number of unique users who viewed a post.

c

Impressions are defined by Twitter as the number of times a user is served a Tweet in timeline or search results.

d

Total engagements are defined by Twitter as the number of times a user interacted with a Tweet in any way, including clicks anywhere on the Tweet, re-tweeting, replying, and ‘likes’.