Table 4.
Characteristics of very-low/low- and medium/good/excellent-educational-value YouTube videos on HPV infection, mucocutaneous and oral lesions and vaccination.
| YouTube Videos on HPV Infection, Mucocutaneous and Oral Lesions and Vaccination | Very Low/Low Educational Value | Medium/Good/Excellent Educational Value | ||||
|---|---|---|---|---|---|---|
| Mean | Median | SD 1 | Mean | Median | SD 1 | |
| length | 7.44 | 6.33 | 3.27 | 8.26 | 7.25 | 3.976 |
| Number of views | 18,820.83 | 399.00 | 52,183.53 | 34,127.75 | 454.00 | 131,886.640 |
| Number of likes | 412.07 | 6 | 1945.15 | 344.37 | 3.00 | 1227.208 |
| Number of dislikes | 75.00 | 0 | 416.81 | 24.00 | 0.00 | 105.958 |
| Time elapsed since upload (days) | 123.2667 | 826 | 1204.674 | 16,784.4615 | 1574.500 | 1251.018 |
| Video Power Index (VPI) | 68.4531 | 1.45 | 256.571 | 30.3554 | 0.405 | 136.542 |
| Video Information and Quality Index (VIQI) | 12.9556 | 12 | 3.337 | 11.1731 | 11.000 | 3.240 |
| Video Content (1–23 score) | 9.7333 | 10 | 3.333 | 10.0577 | 10.000 | 2.718 |
| Video Content on HPV: | ||||||
| Ruote of transmission | 0.5556 | 1 | 0.503 | 0.6731 | 1.000 | 0.474 |
| Risk factors | 0.3556 | 0 | 0.484 | 0.5385 | 1.000 | 0.503 |
| Screening | 0.3778 | 0 | 0.490 | 0.5769 | 1.000 | 0.499 |
| Genotypes | 0.4222 | 0 | 0.499 | 0.3462 | 0.000 | 0.480 |
| Oncogenic role | 0.8444 | 1 | 0.397 | 0.9615 | 1.000 | 0.194 |
| Skin lesions (benign) | 0.2000 | 0 | 0.405 | 0.2308 | 0.000 | 0.425 |
| Mucosal lesions (benign) | 0.2222 | 0 | 0.420 | 0.2115 | 0.000 | 0.412 |
| Oral lesions (benign) | 0.0222 | 0 | 0.149 | 0.0385 | 0.000 | 0.194 |
| Genital cancer in females | 0.8667 | 1 | 0.344 | 0.9231 | 1.000 | 0.269 |
| Genital cancer in males | 0.6667 | 1 | 0.477 | 0.5769 | 1.000 | 0.499 |
| Oral squamous cell carcinoma (OSCC) | 0.4444 | 0 | 0.503 | 0.5000 | 0.500 | 0.505 |
| Video Content on HPV vaccination: | ||||||
| Age (recommended) | 0.8889 | 1 | 0.318 | 0.8654 | 1.000 | 0.345 |
| Gender | 0.6000 | 1 | 0.495 | 0.2115 | 0.000 | 0.412 |
| Vaccine type(s) | 0.4444 | 0 | 0.503 | 0.2500 | 0.000 | 0.437 |
| Vaccine safety | 0.7778 | 1 | 0.420 | 0.8462 | 1.000 | 0.364 |
| Messages encouraging vaccination | 0.7556 | 1 | 0.435 | 0.8269 | 1.000 | 0.382 |
| Messages discouraging vaccination | 0.0000 | 0 | 0.000 | 0.0577 | 0.000 | 0.235 |
| Messages neutral | 0.2667 | 0 | 0.447 | 0.1158 | 0.000 | 0.323 |
| HPV vaccine Epidemiology: | ||||||
| Vaccination course | 0.4889 | 0 | 0.506 | 0.5769 | 1.000 | 0.499 |
| Projections of genital cancer Fx | 0.3333 | 0 | 0.477 | 0.4615 | 0.000 | 0.503 |
| Projection of genital cancer Mx | 0.1333 | 0 | 0.344 | 0.1731 | 0.000 | 0.382 |
| Projection of oral squamous cell carcinoma (OSCC) | 0.0444 | 0 | 0.208 | 0.0577 | 0.000 | 0.235 |
| Video Source Reliability (0–4 score) Source: | 2.9111 | 3 | 0.821 | 2.6731 | 3.000 | 0.834 |
| Dentalcare provider (source) | 0.0000 | 0 | 0.000 | 0.0000 | 0.000 | 0.000 |
| Other healthcare provider (source) | 0.1111 | 0 | 0.318 | 0.0769 | 0.000 | 0.269 |
| University/hospital (source) | 0.1556 | 0 | 0.367 | 0.1923 | 0.000 | 0.398 |
| Pharmaceutical Industries (source) | 0.0000 | 0 | 0.000 | 0.0000 | 0.000 | 0.000 |
| Commercial (source) | 0.0000 | 0 | 0.000 | 0.0769 | 0.000 | 0.269 |
| Other (source) | 0.7333 | 0 | 0.447 | 0.6538 | 1.000 | 0.480 |
| Video educational value (0–5 score) Target Audience: | 1.6889 | 2 | 0.468 | 3.37 | 3.00 | 0.561 |
| Professionals | 0.2889 | 0 | 0.458 | 0.0962 | 0.000 | 0.298 |
| Laypersons | 0.6000 | 1 | 0.495 | 0.5769 | 1.000 | 0.499 |
| Both | 0.1556 | 0 | 0.367 | 0.3269 | 0.000 | 0.474 |
Abbreviations: 1 SD: standard deviation.