Table 2.
Variable | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 |
---|---|---|---|---|---|---|---|
Overall metrics | |||||||
Total number of tweets at conference | 1,629 | 4,293 | 13,846 | 14,169 | 19,821 | 25,678 | 29,657 |
Total number of tweets by top 100 influencers | 456 | 3,614 | 10,839 | 9,752 | 13,761 | 17,329 | 18,907 |
Percent conference tweets by top 100 influencers | 28 | 84 | 78 | 69 | 69 | 67 | 64 |
Number of tweets of top influencers per conference, median (IQR) | 4 (2–8) | 9 (6–23) | 33 (21–83) | 39 (23–87) | 50 (31–102) | 66 (41–137) | 81 (54–137) |
Characteristics of users | |||||||
Percent individuals | 77 | 80 | 87 | 79 | 85 | 81 | 82 |
Percent individuals attended conference | 29 (n = 22/77) | 31 (n = 25/80) | 45 (n = 39/87) | 51 (n = 40/79) | 60 (n = 51/85) | 69 (n = 56/81) | 68 (n = 56/82) |
Percent individuals male | 46 (n = 46/74) | 68 (n = 53/78) | 64 (n = 54/85) | 52 (n = 41/79) | 56 (n = 47/84) | 62 (n = 50/81) | 54 (n = 45/82) |
Percent individuals nonhealth | 12 | 12 | 1 | 0 | 1 | 2 | 7 |
Percent healthcare providers | 65 | 68 | 86 | 79 | 84 | 79 | 77 |
Percent doctors | 49 | 42 | 49 | 51 | 59 | 56 | 52 |
Percent healthcare organizations | 17 | 15 | 11 | 15 | 14 | 18 | 15 |
Percent organization nonhealth | 1 | 3 | 1 | 2 | 1 | 0 | 0 |
Percent industry | 5 | 2 | 1 | 4 | 0 | 1 | 0 |
Characteristics of tweets | |||||||
Percent retweets | — | 72 (30–100%) | 54 (29–98%) | 55 (26–98%) | 69 (37–90%) | 62 (28–88%) | 67 (39–90%) |
Percent retweets by individuals attending conference | — | 38 (25–56%) | 38 (21–58%) | 40 (26–63%) | 58 (24–75%) | 41 (25–64%) | 57 (34–74%) |
Percent retweets by individuals not attending conference | — | 100 (60–100%) | 94 (38–100%) | 81 (32–100%) | 80 (48–100%) | 90 (64–100%) | 92 (62–99%) |
Number of tweets of individuals attending conference, median (IQR) | 7 (4–52) | 10 (7–43) | 45 (26–192) | 42 (27–92) | 57 (34–168) | 59 (39–212) | 92 (58–162) |
Number of tweets of individuals not attending conference, median (IQR) | 3 (2–7) | 8 (5–18) | 25 (19–65) | 38 (24–68) | 47 (28–88) | 75 (45–122) | 66 (45–128) |
Retweet data not available for 2014.