Table 1.
Characteristics of 100 YouTube.com Videos on Prostate Cancer.
| Total (N = 100) | Video upload source |
p | ||||
|---|---|---|---|---|---|---|
| Consumer, n = 45 | Medical or government professional, n = 30 | News source, n = 16 | Commercial media or advertisement, n = 9 | |||
| Video characteristics | ||||||
| Video, number of views | ||||||
| Mean (SD) | 502787.7 (1887118.6) | 562956.2 (2022503.2) | 575585.0 (2244817.9) | 411109.5 (1276715.8) | 122271.0 (169943.7) | .44 |
| 95% CI | [132919.3, 872656.1] | [0.0, 1153879.4] | [0.0, 1378868.0] | [0.0, 1036688.7] | [11243.2, 233298.8] | |
| Range | 34,004-13,312,255 | 34,004-1,331,225 | 34,542-12,286,309 | 39,996-5,195,332 | 34,320-56,992 | |
| Video length in minutes | ||||||
| Mean (SD) | 7.9 (13.3) | 5.6 (7.9) | 11.8 (19.8) | 8.9 (12.7) | 4.8 (3.3) | .30 |
| 95% CI | [5.9, 10.5] | [3.3, 7.9] | [4.7, 18.9] | [2.7, 15.1] | [2.6, 7.0] | |
| Range | 0.4-76.1 | 0.4-45.0 | 1.1-76.1 | 2.1-53.3 | 0.5-9.0 | |
| Video, number of “likes” | ||||||
| Mean (SD) | 1387.5 (8840.6) | 516.2 (1334.4) | 329.7 (913.7) | 6529.9 (21801.6) | 127.8 (111.0) | .41 |
| 95% CI | [0, 3119.7] | [126.3, 906.1] | [2.7, 656.7] | [0, 17256.6] | [55.3, 200.3] | |
| Range | 0-87,810 | 0-7,276 | 0-4,992 | 37-87,810 | 1-296 | |
| Video, number of “dislikes” | ||||||
| Mean (SD) | 102.2 (466.1) | 135.3 (624.7) | 85.4 (328.7) | 88.6 (266.9) | 16.7 (34.2) | .25 |
| 95% CI | [10.8, 193.6] | [0, 317.8] | [0, 203.0] | [0, 219.4] | [0, 39.0] | |
| Range | 0-4,202 | 0-4,202 | 0-1,795 | 2-1,086 | 0-106 | |
| Video content,a n (%) | ||||||
| Purpose to provide information | 78 (78.0) | 29 (64.4) | 30 (100.0) | 15 (93.8) | 4 (44.4) | <.001 |
| PSA, n (%) | ||||||
| Testing and routine screening | 26 (26.0) | 15 (33.3) | 7 (23.3) | 4 (25.0) | 0 (0.0) | .21 |
| Encourages test | 12 (12.0) | 4 (8.9) | 1 (3.3) | 3 (18.8) | 4 (44.4) | .01 |
| Test required | 3 (3.0) | 2 (4.4) | 0 (0.0) | 0 (0.0) | 1 (11.1) | .29 |
| Pain associated | 3 (3.0) | 0 (0.0) | 2 (6.7) | 0 (0.0) | 1 (11.1) | .15 |
| Anxiety/fear of diagnosis/screening | 8 (8.0) | 3 (6.7) | 2 (6.7) | 1 (6.3) | 2 (22.2) | .44 |
| Prostate cancer, n (%) | ||||||
| Risk factors | 16 (16.0) | 6 (13.3) | 7 (23.3) | 3 (18.8) | 0 (0.0) | .36 |
| Treatment | 51 (51.0) | 21 (46.7) | 14 (46.7) | 12 (75.0) | 4 (44.4) | .22 |
| Prevention | 18 (18.0) | 8 (17.8) | 6 (20.0) | 4 (25.0) | 0 (0.0) | .46 |
Note. CI = confidence interval; PSA = prostate-specific antigen.
a
Categories overlap and do not add up to 100%.