Table 3.
Average social media engagement of COVID-19 vaccine fact-checking Facebook posts across information sources.
| Category | Third-party fact checker | Health media | Hospital | News media |
| Average followers | 538,028 | 2,193,198 | 15,639 | 6,619,852 |
| Posts (N=12,553), n (%) | 1523 (12.1) | 288 (2.3) | 4921 (39.2) | 5821 (46.4) |
| Likes, mean (SD) | 231.55 (587.35) | 252.07 (1039.86) | 24 (162.96) | 828.88 (2,774.68) |
| Comments, mean (SD) | 125.1 (228.83) | 144.38 (320) | 9.39 (150.71) | 268.67 (781.04) |
| Shares, mean (SD) | 100.14 (476.54) | 125.02 (398.62) | 27.07 (650.73) | 143.72 (576.06) |
| Love, mean (SD) | 7.66 (58.81) | 10.77 (31.86) | 3.34 (33.04) | 85.22 (504.1) |
| Wow, mean (SD) | 9.7 (33.28) | 10.3 (44.35) | 0.16 (1.62) | 52.96 (290.61) |
| Haha, mean (SD) | 50.08 (184.47) | 33.14 (89.59) | 1.32 (42.64) | 124.23 (581.05) |
| Sad, mean (SD) | 10.67 (42.26) | 8.4 (38.94) | 0.5 (6.86) | 54.49 (317.71) |
| Angry, mean (SD) | 43.56 (194.11) | 10.24 (32.22) | 0.51 (10.83) | 152.27 (801.37) |
| Care, mean (SD) | 1.2 (5.91) | 2.75 (10.14) | 0.98 (11.66) | 7.26 (26.45) |