Table 5.
YouTube video characteristics by quality designation.a
| Video characteristics | High quality (N=22), median (IQR) | Not high quality (N=51), media (IQR) | P value |
| Days since post | 738 (458-2220) | 846 (551-1788) | .54 |
| Duration (minutes) | 13.0 (5.5-16.6) | 7.6 (2.7-11.7) | .03 |
| Views | 53,865 (13,817-96,211) | 29,661 (4857-75,572) | .20 |
| Comments | 24 (11-77) | 6 (0-46) | .04 |
| Likes | 397 (210-992) | 159 (32-632) | .04 |
| Dislikes | 20 (3-37) | 10 (1-33) | .28 |
| Subscribers | 53,900 (9940-240,000) | 32,900 (10,970-126,000) | .85 |
aHigh-quality videos were defined as videos with DISCERN scores greater than or equal to 39 and covering at least five topics out of 9 on the content score.