Table 4.
Final multivariable model analyzing factors associated with video information quality.
| Topic | Variable | Category | PR | 95% CI | p-value |
|---|---|---|---|---|---|
| Definition | Upload source | Others | Reference | ||
| Governmental/intergovernmental organizations | 1.47 | 0.92 to 2.35 | 0.11 | ||
| Healthcare and academic institutions/professionals | 1.86 | 1.14 to 3.02 | 0.01 | ||
| Language | Portuguese | Reference | |||
| English | 0.57 | 0.34 to 0.97 | 0.03 | ||
| Spanish | 0.31 | 0.16 to 0.61 | 0.01 | ||
| Duration (per 5 min) | 0.998 | 0.995 to 0.999 | 0.02 | ||
| Etiology | Views (per 1000 units) | 1.000 | 1.000 to 1.001 | 0.02 | |
| Likes (per 100 units) | 1.003 | 1.001 to 1.006 | 0.03 | ||
| Duration (per 5 min) | 1.000 | 1.000 to 1.001 | < 0.001 | ||
| Natural history of disease | Duration (per 5 min) | 1.000 | 1.000 to 1.001 | 0.001 | |
| Diagnosis | Duration (per 5 min) | 0.998 | 0.996 to 0.999 | 0.03 | |
| Treatment | Upload source | Others | Reference | ||
| Governmental/intergovernmental organizations | 1.75 | 0.68 to 4.47 | 0.24 | ||
| Healthcare and academic institutions/professionals | 3.69 | 1.67 to 8.15 | 0.001 | ||
| Duration (per 5 min) | 1.001 | 1.001 to 1.002 | < 0.001 | ||
PR for Views is expressed per 1000 views; for Likes per 100 likes; for Duration per 5 min. Abbreviations: CI, confidence interval; PR, prevalence ratio; ref., reference category; NHD, natural history of disease.