Associations of YouTube video impact and intrauterine device (IUD) portrayal with uploader and video characteristics
| Uploader and video characteristics | Total (n (%)) | Video influence (view counts/day) (n (%)) | P | Perceived IUD portrayal (n (%)) | P | ||
| ≤5 | >5 | Positive | Negative | ||||
| Time online (days) | |||||||
| >365 | 48 (77.4) | 20 (41.7) | 28 (58.3) | 0.07 | 35 (72.9) | 13 (27.1) | 0.91 |
| ≤365 | 14 (22.6) | 10 (71.4) | 4 (28.6) | 10 (71.4) | 4 (28.6) | ||
| Video length (min) | |||||||
| >5 | 33 (53.2) | 17 (51.5) | 16 (48.5) | 0.60 | 22 (66.7) | 11 (33.3) | 0.27 |
| ≤5 | 29 (46.8) | 13 (44.8) | 16 (55.2) | 23 (79.3) | 6 (20.7) | ||
| Uploader age (years) | |||||||
| ≥25 | 27 (50.9) | 11 (42.3) | 15 (57.7) | 0.88 | 15 (57.7) | 11 (42.3) | 0.03 |
| <25 | 26 (49.1) | 12 (44.4) | 15 (55.6) | 23 (85.2) | 4 (14.8) | ||
| Uploader race/ethnicity | |||||||
| White | 46 (74.2) | 21 (45.7) | 25 (54.3) | 0.47 | 35 (76.1) | 11 (23.9) | 0.29 |
| Other | 16 (25.8) | 9 (56.3) | 7 (43.8) | 10 (62.5) | 6 (37.5) | ||
| IUD type | |||||||
| Mirena | 39 (65.0) | 14 (35.9) | 25 (64.1) | 0.38 | 26 (66.7) | 13 (33.3) | 0.71 |
| Paragard | 21 (35.0) | 10 (47.6) | 11 (52.4) | 15 (71.4) | 6 (28.6) | ||
| Interval between IUD insertion and video upload (days) | |||||||
| <1 month | 23 (45.1) | 14 (60.9) | 9 (39.1) | 0.20 | 19 (82.6) | 4 (17.4) | 0.03 |
| 1 month–1 year | 19 (37.3) | 13 (68.4) | 6 (31.6) | 12 (63.2) | 7 (36.8) | ||
| ≥1 year | 9 (17.6) | 3 (33.3) | 6 (66.7) | 3 (33.3) | 6 (66.7) | ||
| False claims | |||||||
| Yes | 21 (33.9) | 10 (47.6) | 11 (52.4) | 0.93 | 11 (52.4) | 10 (47.6) | 0.01 |
| No | 41 (66.1) | 20 (48.8) | 21 (51.2) | 34 (82.9) | 7 (17.1) | ||
| Side effects mentioned | |||||||
| Yes | 41 (66.1) | 21 (51.2) | 20 (48.8) | 0.53 | 24 (58.5) | 17 (41.5) | 0.00 |
| No | 21 (33.9) | 9 (42.9) | 12 (57.1) | 21 (100.0) | 0 (0.0) | ||
| IUD portrayal | |||||||
| Positive | 45 (72.6) | 20 (51.3) | 19 (48.7) | 0.28 | – | – | – |
| Negative | 17 (27.4) | 7 (35.0) | 13 (65.0) | – | – | ||