Table 1.
Characteristics of YouTube videos about medication use in pregnancy reviewed (n=314), by source of video
| Video source | Videos | Distinct author uploaders |
Total days since uploading1 |
Total views since uploading |
Mean views since uploading2 |
Total thumbs-up since uploading |
Mean thumbs-up since uploading3 |
Duration (minutes) |
Comments per video |
|---|---|---|---|---|---|---|---|---|---|
| n (%) | n (max videos per author) |
n | n | (per 30 days) | n | (per 1000 views) | Mean (min, max) | Mean (min, max) | |
| Legal | 210 (66.88) | 110 (16) | 178,145 | 220,529 | 37.1 | 827 | 3.75 | 1.43 (0.17, 9.77) | 43 (0, 855) |
| TV Clip | 31 (9.87) | 25 (5) | 23,969 | 30,246 | 37.9 | 79 | 2.61 | 2.27 (0.42, 11.43) | 18 (0, 201) |
| Physician | 25 (7.96) | 18 (3) | 24,097 | 266,248 | 331.5 | 80 | 0.30 | 2.91 (0.67, 12.83) | 45 (0, 658) |
| Patient/Family | 21 (6.69) | 20 (2) | 14,530 | 48,326 | 99.8 | 189 | 3.91 | 7.99 (1.02, 20.82) | 30 (0, 322) |
| University | 9 (2.87) | 6 (4) | 4919 | 7043 | 43.0 | 8 | 1.14 | 13.69 (0.50, 59.63) | 1 (0, 4) |
| Not for Profit Organization | 5 (1.59) | 5 (1) | 3505 | 13,276 | 113.6 | 70 | 5.27 | 13.59 (0.60, 54.68) | 66 (0, 248) |
| Advertisement | 8 (2.55) | 7 (2) | 3835 | 880 | 6.9 | 0 | 0.00 | 1.93 (0.15, 3.32) | 22 (0, 155) |
| Government [FDA] | 1 (0.32) | 1 (1) | 936 | 4 | 0.1 | 0 | 0.00 | 2.50 (2.50, 2.50) | 0 (0, 0) |
| Unknown | 4 (1.27) | 4 (1) | 2490 | 1014 | 12.2 | 1 | 0.10 | 1.90 (0.48, 6.00) | 86 (3, 307) |
FDA = Food and Drug Administration
1
Sum (across all videos in that category) of the number of days between the upload date and YouTube API data extraction date.
2
(Total views since uploading/total days since uploading) × 30 (as an estimate of month).
3
(Total thumbs up since uploading/total views since uploading) × 1000.